SERVER-24991 log redaction for commands, concurrency, exec, index

44 files changed, 218 insertions, 241 deletions

diff --git a/etc/log_redaction.audit b/etc/log_redaction.audit
index 12fb287a381..ad335998e14 100644
--- a/etc/log_redaction.audit
+++ b/etc/log_redaction.audit
@@ -64,73 +64,75 @@
 :thomas:src/mongo/db/catalog/index_create.cpp:12
 :thomas:src/mongo/db/catalog/rename_collection.cpp:2
 :thomas:src/mongo/db/cloner.cpp:20
-:thomas:src/mongo/db/commands.cpp:5
-:thomas:src/mongo/db/commands/authentication_commands.cpp:2
-:thomas:src/mongo/db/commands/clone_collection.cpp:1
-:thomas:src/mongo/db/commands/compact.cpp:2
-:thomas:src/mongo/db/commands/copydb_start_commands.cpp:1
-:thomas:src/mongo/db/commands/create_indexes.cpp:2
-:thomas:src/mongo/db/commands/dbhash.cpp:3
-:thomas:src/mongo/db/commands/distinct.cpp:1
-:thomas:src/mongo/db/commands/drop_indexes.cpp:2
-:thomas:src/mongo/db/commands/find_and_modify.cpp:1
-:thomas:src/mongo/db/commands/find_cmd.cpp:1
-:thomas:src/mongo/db/commands/fsync.cpp:8
-:thomas:src/mongo/db/commands/generic.cpp:1
-:thomas:src/mongo/db/commands/geo_near_cmd.cpp:6
-:thomas:src/mongo/db/commands/get_last_error.cpp:1
-:thomas:src/mongo/db/commands/getmore_cmd.cpp:2
-:thomas:src/mongo/db/commands/group_cmd.cpp:1
-:thomas:src/mongo/db/commands/index_filter_commands.cpp:3
-:thomas:src/mongo/db/commands/kill_op.cpp:1
-:thomas:src/mongo/db/commands/mr.cpp:15
-:thomas:src/mongo/db/commands/pipeline_command.cpp:2
-:thomas:src/mongo/db/commands/plan_cache_commands.cpp:3
-:thomas:src/mongo/db/commands/rename_collection_cmd.cpp:2
-:thomas:src/mongo/db/commands/server_status.cpp:1
-:thomas:src/mongo/db/commands/user_management_commands.cpp:5
-:thomas:src/mongo/db/commands/validate.cpp:1
-:thomas:src/mongo/db/concurrency/lock_manager.cpp:2
-:thomas:src/mongo/db/concurrency/lock_state.cpp:4
-:thomas:src/mongo/db/concurrency/write_conflict_exception.cpp:1
-:thomas:src/mongo/db/curop.cpp:1
-:thomas:src/mongo/db/db.cpp:44
-:thomas:src/mongo/db/db_raii.cpp:2
+20160829:thomas:src/mongo/db/commands.cpp:5
+20160829:thomas:src/mongo/db/commands/authentication_commands.cpp:2
+20160829:thomas:src/mongo/db/commands/clone_collection.cpp:1
+20160829:thomas:src/mongo/db/commands/compact.cpp:2
+20160829:thomas:src/mongo/db/commands/copydb_start_commands.cpp:1
+20160829:thomas:src/mongo/db/commands/create_indexes.cpp:2
+20160829:thomas:src/mongo/db/commands/dbcommands.cpp:11
+20160829:thomas:src/mongo/db/commands/dbhash.cpp:3
+20160829:thomas:src/mongo/db/commands/distinct.cpp:1
+20160829:thomas:src/mongo/db/commands/drop_indexes.cpp:2
+20160829:thomas:src/mongo/db/commands/eval.cpp:6
+20160829:thomas:src/mongo/db/commands/find_and_modify.cpp:1
+20160829:thomas:src/mongo/db/commands/find_cmd.cpp:1
+20160829:thomas:src/mongo/db/commands/fsync.cpp:8
+20160829:thomas:src/mongo/db/commands/generic.cpp:1
+20160829:thomas:src/mongo/db/commands/geo_near_cmd.cpp:6
+20160829:thomas:src/mongo/db/commands/get_last_error.cpp:1
+20160829:thomas:src/mongo/db/commands/getmore_cmd.cpp:2
+20160829:thomas:src/mongo/db/commands/group_cmd.cpp:1
+20160829:thomas:src/mongo/db/commands/index_filter_commands.cpp:3
+20160829:thomas:src/mongo/db/commands/kill_op.cpp:1
+20160829:thomas:src/mongo/db/commands/mr.cpp:15
+20160829:thomas:src/mongo/db/commands/pipeline_command.cpp:2
+20160829:thomas:src/mongo/db/commands/plan_cache_commands.cpp:3
+20160829:thomas:src/mongo/db/commands/rename_collection_cmd.cpp:2
+20160829:thomas:src/mongo/db/commands/server_status.cpp:1
+20160829:thomas:src/mongo/db/commands/user_management_commands.cpp:5
+20160829:thomas:src/mongo/db/commands/validate.cpp:1
+20160829:thomas:src/mongo/db/concurrency/lock_manager.cpp:2
+20160829:thomas:src/mongo/db/concurrency/lock_state.cpp:4
+20160829:thomas:src/mongo/db/concurrency/write_conflict_exception.cpp:1
+20160829:thomas:src/mongo/db/curop.cpp:1
+20160829:thomas:src/mongo/db/db.cpp:44
+20160829:thomas:src/mongo/db/db_raii.cpp:2
 :thomas:src/mongo/db/dbcommands.cpp:12
 :thomas:src/mongo/db/dbeval.cpp:6
-:thomas:src/mongo/db/dbhelpers.cpp:12
-:thomas:src/mongo/db/exec/cached_plan.cpp:6
-:thomas:src/mongo/db/exec/count_scan.cpp:1
-:thomas:src/mongo/db/exec/distinct_scan.cpp:1
-:thomas:src/mongo/db/exec/geo_near.cpp:2
-:thomas:src/mongo/db/exec/idhack.cpp:2
-:thomas:src/mongo/db/exec/index_scan.cpp:1
-:thomas:src/mongo/db/exec/multi_plan.cpp:9
-:thomas:src/mongo/db/exec/projection.cpp:1
-:thomas:src/mongo/db/exec/shard_filter.cpp:2
-:thomas:src/mongo/db/exec/sort_key_generator.cpp:1
-:thomas:src/mongo/db/exec/stagedebug_cmd.cpp:4
-:thomas:src/mongo/db/exec/subplan.cpp:6
-:thomas:src/mongo/db/exec/update.cpp:3
-:thomas:src/mongo/db/ftdc/controller.cpp:4
-:thomas:src/mongo/db/ftdc/file_manager.cpp:3
-:thomas:src/mongo/db/ftdc/util.cpp:4
+20160829:thomas:src/mongo/db/dbhelpers.cpp:12
+20160829:thomas:src/mongo/db/exec/cached_plan.cpp:6
+20160829:thomas:src/mongo/db/exec/count_scan.cpp:1
+20160829:thomas:src/mongo/db/exec/distinct_scan.cpp:1
+20160829:thomas:src/mongo/db/exec/geo_near.cpp:2
+20160829:thomas:src/mongo/db/exec/idhack.cpp:2
+20160829:thomas:src/mongo/db/exec/index_scan.cpp:1
+20160829:thomas:src/mongo/db/exec/multi_plan.cpp:9
+20160829:thomas:src/mongo/db/exec/projection.cpp:1
+20160829:thomas:src/mongo/db/exec/shard_filter.cpp:2
+20160829:thomas:src/mongo/db/exec/sort_key_generator.cpp:1
+20160829:thomas:src/mongo/db/exec/stagedebug_cmd.cpp:4
+20160829:thomas:src/mongo/db/exec/subplan.cpp:6
+20160829:thomas:src/mongo/db/exec/update.cpp:3
+20160829:thomas:src/mongo/db/ftdc/controller.cpp:4
+20160829:thomas:src/mongo/db/ftdc/file_manager.cpp:3
+20160829:thomas:src/mongo/db/ftdc/util.cpp:4
 :thomas:src/mongo/db/geo/haystack.cpp:2
-:thomas:src/mongo/db/geo/r2_region_coverer.cpp:3
-:thomas:src/mongo/db/global_timestamp.cpp:1
-:thomas:src/mongo/db/index/expression_keys_private.cpp:1
-:thomas:src/mongo/db/index/haystack_access_method.cpp:1
-:thomas:src/mongo/db/index/index_access_method.cpp:4
+20160829:thomas:src/mongo/db/geo/r2_region_coverer.cpp:3
+20160829:thomas:src/mongo/db/global_timestamp.cpp:1
+20160829:thomas:src/mongo/db/index/expression_keys_private.cpp:1
+20160829:thomas:src/mongo/db/index/haystack_access_method.cpp:1
+20160829:thomas:src/mongo/db/index/index_access_method.cpp:4
 :thomas:src/mongo/db/index/index_access_method.h:1
-:thomas:src/mongo/db/index/index_descriptor.cpp:1
-:thomas:src/mongo/db/index/index_descriptor.h:4
-:thomas:src/mongo/db/index/s2_access_method.cpp:1
-:thomas:src/mongo/db/index_builder.cpp:5
-:thomas:src/mongo/db/index_legacy.cpp:1
-:thomas:src/mongo/db/index_rebuilder.cpp:11
-:thomas:src/mongo/db/initialize_server_global_state.cpp:2
-:thomas:src/mongo/db/instance.cpp:15
-:thomas:src/mongo/db/introspect.cpp:3
+20160829:thomas:src/mongo/db/index/index_descriptor.cpp:1
+20160829:thomas:src/mongo/db/index/index_descriptor.h:4
+20160829:thomas:src/mongo/db/index/s2_access_method.cpp:1
+20160829:thomas:src/mongo/db/index_builder.cpp:5
+20160829:thomas:src/mongo/db/index_legacy.cpp:1
+20160829:thomas:src/mongo/db/index_rebuilder.cpp:11
+20160829:thomas:src/mongo/db/initialize_server_global_state.cpp:2
+20160829:thomas:src/mongo/db/instance.cpp:15
+20160829:thomas:src/mongo/db/introspect.cpp:3
 :thomas:src/mongo/db/log_process_details.cpp:2
 :thomas:src/mongo/db/matcher/expression_geo.cpp:2
 :thomas:src/mongo/db/matcher/expression_leaf.cpp:2
@@ -150,7 +152,7 @@
 :thomas:src/mongo/db/pipeline/document_source_geo_near.cpp:1
 :thomas:src/mongo/db/pipeline/document_source_sample_from_random_cursor.cpp:1
 :thomas:src/mongo/db/pipeline/pipeline_d.cpp:4
-:thomas:src/mongo/db/prefetch.cpp:9
+20160829:thomas:src/mongo/db/prefetch.cpp:9
 :thomas:src/mongo/db/query/find.cpp:11
 :thomas:src/mongo/db/query/get_executor.cpp:20
 :thomas:src/mongo/db/query/index_bounds_builder.cpp:3
diff --git a/src/mongo/db/commands/clone_collection.cpp b/src/mongo/db/commands/clone_collection.cpp
index 3cc202bcae8..a7cf1e04017 100644
--- a/src/mongo/db/commands/clone_collection.cpp
+++ b/src/mongo/db/commands/clone_collection.cpp
@@ -142,8 +142,8 @@ public:
         bool copyIndexes = copyIndexesSpec.isBoolean() ? copyIndexesSpec.boolean() : true;
 
         log() << "cloneCollection.  db:" << dbname << " collection:" << collection
-              << " from: " << fromhost << " query: " << query << " "
-              << (copyIndexes ? "" : ", not copying indexes") << endl;
+              << " from: " << fromhost << " query: " << redact(query) << " "
+              << (copyIndexes ? "" : ", not copying indexes");
 
         Cloner cloner;
         unique_ptr<DBClientConnection> myconn;
diff --git a/src/mongo/db/commands/compact.cpp b/src/mongo/db/commands/compact.cpp
index 9be54eb39ab..b53fcda0b65 100644
--- a/src/mongo/db/commands/compact.cpp
+++ b/src/mongo/db/commands/compact.cpp
@@ -165,7 +165,7 @@ public:
         OldClientContext ctx(txn, nss.ns());
         BackgroundOperation::assertNoBgOpInProgForNs(nss.ns());
 
-        log() << "compact " << nss.ns() << " begin, options: " << compactOptions.toString();
+        log() << "compact " << nss.ns() << " begin, options: " << compactOptions;
 
         StatusWith<CompactStats> status = collection->compact(txn, &compactOptions);
         if (!status.isOK())
diff --git a/src/mongo/db/commands/dbcommands.cpp b/src/mongo/db/commands/dbcommands.cpp
index 0f18c9ad943..0bbdfb5e1cf 100644
--- a/src/mongo/db/commands/dbcommands.cpp
+++ b/src/mongo/db/commands/dbcommands.cpp
@@ -440,7 +440,7 @@ public:
         int was = _diaglog.setLevel(cmdObj.firstElement().numberInt());
         _diaglog.flush();
         if (!serverGlobalParams.quiet) {
-            LOG(0) << "CMD: diagLogging set to " << _diaglog.getLevel() << " from: " << was << endl;
+            LOG(0) << "CMD: diagLogging set to " << _diaglog.getLevel() << " from: " << was;
         }
         result.append("was", was);
         result.append("note", deprecationWarning);
@@ -650,7 +650,7 @@ public:
                     if (partialOk) {
                         break;  // skipped chunk is probably on another shard
                     }
-                    log() << "should have chunk: " << n << " have:" << myn << endl;
+                    log() << "should have chunk: " << n << " have:" << myn;
                     dumpChunks(txn, ns, query, sort);
                     uassert(10040, "chunks out of order", n == myn);
                 }
@@ -852,7 +852,7 @@ public:
         }
 
         if (PlanExecutor::FAILURE == state || PlanExecutor::DEAD == state) {
-            warning() << "Internal error while reading " << ns << endl;
+            warning() << "Internal error while reading " << ns;
             return appendCommandStatus(
                 result,
                 Status(ErrorCodes::OperationFailed,
@@ -1398,7 +1398,7 @@ bool Command::run(OperationContext* txn,
                 serverGlobalParams.clusterRole == ClusterRole::ConfigServer ? 0 : 2;
             LOG(debugLevel) << "Command on database " << db
                             << " timed out waiting for read concern to be satisfied. Command: "
-                            << getRedactedCopyForLogging(request.getCommandArgs());
+                            << redact(getRedactedCopyForLogging(request.getCommandArgs()));
         }
 
         auto result = appendCommandStatus(inPlaceReplyBob, rcStatus);
diff --git a/src/mongo/db/commands/distinct.cpp b/src/mongo/db/commands/distinct.cpp
index e571bfee3d3..d1658402a63 100644
--- a/src/mongo/db/commands/distinct.cpp
+++ b/src/mongo/db/commands/distinct.cpp
@@ -246,8 +246,8 @@ public:
         // Return an error if execution fails for any reason.
         if (PlanExecutor::FAILURE == state || PlanExecutor::DEAD == state) {
             log() << "Plan executor error during distinct command: "
-                  << PlanExecutor::statestr(state)
-                  << ", stats: " << Explain::getWinningPlanStats(executor.getValue().get());
+                  << redact(PlanExecutor::statestr(state))
+                  << ", stats: " << redact(Explain::getWinningPlanStats(executor.getValue().get()));
 
             return appendCommandStatus(result,
                                        Status(ErrorCodes::OperationFailed,
diff --git a/src/mongo/db/commands/drop_indexes.cpp b/src/mongo/db/commands/drop_indexes.cpp
index da54c84968b..347e3762d9e 100644
--- a/src/mongo/db/commands/drop_indexes.cpp
+++ b/src/mongo/db/commands/drop_indexes.cpp
@@ -126,7 +126,7 @@ public:
 
         const NamespaceString toReIndexNs = parseNsCollectionRequired(dbname, jsobj);
 
-        LOG(0) << "CMD: reIndex " << toReIndexNs << endl;
+        LOG(0) << "CMD: reIndex " << toReIndexNs;
 
         ScopedTransaction transaction(txn, MODE_IX);
         Lock::DBLock dbXLock(txn->lockState(), dbname, MODE_X);
diff --git a/src/mongo/db/commands/eval.cpp b/src/mongo/db/commands/eval.cpp
index 055c3a2dc68..8e822717b19 100644
--- a/src/mongo/db/commands/eval.cpp
+++ b/src/mongo/db/commands/eval.cpp
@@ -112,8 +112,8 @@ bool dbEval(OperationContext* txn,
         if (argsElement.type() == Array) {
             args = argsElement.embeddedObject();
             if (edebug) {
-                log() << "args:" << args.toString() << endl;
-                log() << "code:\n" << code << endl;
+                log() << "args:" << args;
+                log() << "code:\n" << redact(code);
             }
         }
     }
@@ -124,11 +124,11 @@ bool dbEval(OperationContext* txn,
         res = s->invoke(f, &args, 0, 0);
         int m = t.millis();
         if (m > serverGlobalParams.slowMS) {
-            log() << "dbeval slow, time: " << dec << m << "ms " << dbName << endl;
+            log() << "dbeval slow, time: " << dec << m << "ms " << dbName;
             if (m >= 1000)
-                log() << code << endl;
+                log() << redact(code);
             else
-                OCCASIONALLY log() << code << endl;
+                OCCASIONALLY log() << redact(code);
         }
     }
 
diff --git a/src/mongo/db/commands/find_and_modify.cpp b/src/mongo/db/commands/find_and_modify.cpp
index 5282fa72250..b868d37e323 100644
--- a/src/mongo/db/commands/find_and_modify.cpp
+++ b/src/mongo/db/commands/find_and_modify.cpp
@@ -117,7 +117,7 @@ StatusWith<boost::optional<BSONObj>> advanceExecutor(OperationContext* txn,
 
     if (PlanExecutor::FAILURE == state || PlanExecutor::DEAD == state) {
         error() << "Plan executor error during findAndModify: " << PlanExecutor::statestr(state)
-                << ", stats: " << Explain::getWinningPlanStats(exec);
+                << ", stats: " << redact(Explain::getWinningPlanStats(exec));
 
         if (WorkingSetCommon::isValidStatusMemberObject(value)) {
             const Status errorStatus = WorkingSetCommon::getMemberObjectStatus(value);
diff --git a/src/mongo/db/commands/find_cmd.cpp b/src/mongo/db/commands/find_cmd.cpp
index c83080a2d70..50eb829b1f3 100644
--- a/src/mongo/db/commands/find_cmd.cpp
+++ b/src/mongo/db/commands/find_cmd.cpp
@@ -348,7 +348,7 @@ public:
         if (PlanExecutor::FAILURE == state || PlanExecutor::DEAD == state) {
             firstBatch.abandon();
             error() << "Plan executor error during find command: " << PlanExecutor::statestr(state)
-                    << ", stats: " << Explain::getWinningPlanStats(exec.get());
+                    << ", stats: " << redact(Explain::getWinningPlanStats(exec.get()));
 
             return appendCommandStatus(result,
                                        Status(ErrorCodes::OperationFailed,
diff --git a/src/mongo/db/commands/fsync.cpp b/src/mongo/db/commands/fsync.cpp
index 2536a2f6f8e..bf91bd0cc4b 100644
--- a/src/mongo/db/commands/fsync.cpp
+++ b/src/mongo/db/commands/fsync.cpp
@@ -77,7 +77,7 @@ public:
         try {
             doRealWork();
         } catch (std::exception& e) {
-            error() << "FSyncLockThread exception: " << e.what() << endl;
+            error() << "FSyncLockThread exception: " << e.what();
         }
     }
 };
@@ -135,7 +135,7 @@ public:
         bool sync =
             !cmdObj["async"].trueValue();  // async means do an fsync, but return immediately
         bool lock = cmdObj["lock"].trueValue();
-        log() << "CMD fsync: sync:" << sync << " lock:" << lock << endl;
+        log() << "CMD fsync: sync:" << sync << " lock:" << lock;
         if (lock) {
             if (!sync) {
                 errmsg = "fsync: sync option must be true when using lock";
@@ -153,8 +153,8 @@ public:
             if (!status.isOK())
                 return appendCommandStatus(result, status);
 
-            log() << "db is now locked, no writes allowed. db.fsyncUnlock() to unlock" << endl;
-            log() << "    For more info see " << FSyncCommand::url() << endl;
+            log() << "db is now locked, no writes allowed. db.fsyncUnlock() to unlock";
+            log() << "    For more info see " << FSyncCommand::url();
             result.append("info", "now locked against writes, use db.fsyncUnlock() to unlock");
             result.append("seeAlso", FSyncCommand::url());
 
@@ -243,7 +243,7 @@ void FSyncLockThread::doRealWork() {
     try {
         getDur().syncDataAndTruncateJournal(&txn);
     } catch (std::exception& e) {
-        error() << "error doing syncDataAndTruncateJournal: " << e.what() << endl;
+        error() << "error doing syncDataAndTruncateJournal: " << e.what();
         fsyncCmd.status = Status(ErrorCodes::CommandFailed, e.what());
         fsyncCmd._threadSync.notify_one();
         fsyncCmd.locked = false;
@@ -255,7 +255,7 @@ void FSyncLockThread::doRealWork() {
     try {
         storageEngine->flushAllFiles(true);
     } catch (std::exception& e) {
-        error() << "error doing flushAll: " << e.what() << endl;
+        error() << "error doing flushAll: " << e.what();
         fsyncCmd.status = Status(ErrorCodes::CommandFailed, e.what());
         fsyncCmd._threadSync.notify_one();
         fsyncCmd.locked = false;
@@ -267,7 +267,7 @@ void FSyncLockThread::doRealWork() {
         }
         MONGO_WRITE_CONFLICT_RETRY_LOOP_END(&txn, "beginBackup", "global");
     } catch (const DBException& e) {
-        error() << "storage engine unable to begin backup : " << e.toString() << endl;
+        error() << "storage engine unable to begin backup : " << e.toString();
         fsyncCmd.status = e.toStatus();
         fsyncCmd._threadSync.notify_one();
         fsyncCmd.locked = false;
diff --git a/src/mongo/db/commands/geo_near_cmd.cpp b/src/mongo/db/commands/geo_near_cmd.cpp
index 5f0433576bb..bccffe0615b 100644
--- a/src/mongo/db/commands/geo_near_cmd.cpp
+++ b/src/mongo/db/commands/geo_near_cmd.cpp
@@ -271,7 +271,7 @@ public:
 
             // Don't make a too-big result object.
             if (resultBuilder.len() + resObj.objsize() > BSONObjMaxUserSize) {
-                warning() << "Too many geoNear results for query " << rewritten.toString()
+                warning() << "Too many geoNear results for query " << redact(rewritten)
                           << ", truncating output.";
                 break;
             }
@@ -299,7 +299,7 @@ public:
         // Return an error if execution fails for any reason.
         if (PlanExecutor::FAILURE == state || PlanExecutor::DEAD == state) {
             log() << "Plan executor error during geoNear command: " << PlanExecutor::statestr(state)
-                  << ", stats: " << Explain::getWinningPlanStats(exec.get());
+                  << ", stats: " << redact(Explain::getWinningPlanStats(exec.get()));
 
             return appendCommandStatus(result,
                                        Status(ErrorCodes::OperationFailed,
diff --git a/src/mongo/db/commands/getmore_cmd.cpp b/src/mongo/db/commands/getmore_cmd.cpp
index cbcf44f19d0..1bdef2fc8f1 100644
--- a/src/mongo/db/commands/getmore_cmd.cpp
+++ b/src/mongo/db/commands/getmore_cmd.cpp
@@ -543,7 +543,7 @@ public:
             nextBatch->abandon();
 
             error() << "GetMore command executor error: " << PlanExecutor::statestr(*state)
-                    << ", stats: " << Explain::getWinningPlanStats(exec);
+                    << ", stats: " << redact(Explain::getWinningPlanStats(exec));
 
             return Status(ErrorCodes::OperationFailed,
                           str::stream() << "GetMore command executor error: "
diff --git a/src/mongo/db/commands/index_filter_commands.cpp b/src/mongo/db/commands/index_filter_commands.cpp
index 5a8b98f4390..ff315323a73 100644
--- a/src/mongo/db/commands/index_filter_commands.cpp
+++ b/src/mongo/db/commands/index_filter_commands.cpp
@@ -269,7 +269,7 @@ Status ClearFilters::clear(OperationContext* txn,
         // Remove entry from plan cache
         planCache->remove(*cq);
 
-        LOG(0) << "Removed index filter on " << ns << " " << cq->toStringShort();
+        LOG(0) << "Removed index filter on " << ns << " " << redact(cq->toStringShort());
 
         return Status::OK();
     }
@@ -396,7 +396,8 @@ Status SetFilter::set(OperationContext* txn,
     // Remove entry from plan cache.
     planCache->remove(*cq);
 
-    LOG(0) << "Index filter set on " << ns << " " << cq->toStringShort() << " " << indexesElt;
+    LOG(0) << "Index filter set on " << ns << " " << redact(cq->toStringShort()) << " "
+           << indexesElt;
 
     return Status::OK();
 }
diff --git a/src/mongo/db/commands/mr.cpp b/src/mongo/db/commands/mr.cpp
index 26b40571fd0..0cd70f658bc 100644
--- a/src/mongo/db/commands/mr.cpp
+++ b/src/mongo/db/commands/mr.cpp
@@ -792,7 +792,7 @@ State::~State() {
         try {
             dropTempCollections();
         } catch (std::exception& e) {
-            error() << "couldn't cleanup after map reduce: " << e.what() << endl;
+            error() << "couldn't cleanup after map reduce: " << e.what();
         }
     }
     if (_scope && !_scope->isKillPending() && _scope->getError().empty()) {
@@ -803,7 +803,7 @@ State::~State() {
             _scope->invoke(cleanup, 0, 0, 0, true);
         } catch (const DBException&) {
             // not important because properties will be reset if scope is reused
-            LOG(1) << "MapReduce terminated during state destruction" << endl;
+            LOG(1) << "MapReduce terminated during state destruction";
         }
     }
 }
@@ -946,7 +946,7 @@ void State::switchMode(bool jsMode) {
 }
 
 void State::bailFromJS() {
-    LOG(1) << "M/R: Switching from JS mode to mixed mode" << endl;
+    LOG(1) << "M/R: Switching from JS mode to mixed mode";
 
     // reduce and reemit into c++
     switchMode(false);
@@ -1232,7 +1232,7 @@ void State::reduceAndSpillInMemoryStateIfNeeded() {
             _scope->invoke(_reduceAll, 0, 0, 0, true);
             LOG(3) << "  MR - did reduceAll: keys=" << keyCt << " dups=" << dupCt
                    << " newKeys=" << _scope->getNumberInt("_keyCt") << " time=" << t.millis()
-                   << "ms" << endl;
+                   << "ms";
             return;
         }
     }
@@ -1246,12 +1246,12 @@ void State::reduceAndSpillInMemoryStateIfNeeded() {
         Timer t;
         reduceInMemory();
         LOG(3) << "  MR - did reduceInMemory: size=" << oldSize << " dups=" << _dupCount
-               << " newSize=" << _size << " time=" << t.millis() << "ms" << endl;
+               << " newSize=" << _size << " time=" << t.millis() << "ms";
 
         // if size is still high, or values are not reducing well, dump
         if (_onDisk && (_size > _config.maxInMemSize || _size > oldSize / 2)) {
             dumpToInc();
-            LOG(3) << "  MR - dumping to db" << endl;
+            LOG(3) << "  MR - dumping to db";
         }
     }
 }
@@ -1354,7 +1354,7 @@ public:
 
         Config config(dbname, cmd);
 
-        LOG(1) << "mr ns: " << config.ns << endl;
+        LOG(1) << "mr ns: " << config.ns;
 
         uassert(16149, "cannot run map reduce without the js engine", globalScriptEngine);
 
@@ -1616,19 +1616,19 @@ public:
                 return false;
             }
         } catch (SendStaleConfigException& e) {
-            log() << "mr detected stale config, should retry" << causedBy(e) << endl;
+            log() << "mr detected stale config, should retry" << redact(e);
             throw e;
         }
         // TODO:  The error handling code for queries is v. fragile,
         // *requires* rethrow AssertionExceptions - should probably fix.
         catch (AssertionException& e) {
-            log() << "mr failed, removing collection" << causedBy(e) << endl;
+            log() << "mr failed, removing collection" << redact(e);
             throw e;
         } catch (std::exception& e) {
-            log() << "mr failed, removing collection" << causedBy(e) << endl;
+            log() << "mr failed, removing collection" << causedBy(e);
             throw e;
         } catch (...) {
-            log() << "mr failed for unknown reason, removing collection" << endl;
+            log() << "mr failed for unknown reason, removing collection";
             throw;
         }
 
diff --git a/src/mongo/db/commands/pipeline_command.cpp b/src/mongo/db/commands/pipeline_command.cpp
index af46c6f1d80..69f8a1ecccb 100644
--- a/src/mongo/db/commands/pipeline_command.cpp
+++ b/src/mongo/db/commands/pipeline_command.cpp
@@ -259,8 +259,7 @@ boost::intrusive_ptr<Pipeline> reparsePipeline(
     if (!reparsedPipeline.isOK()) {
         error() << "Aggregation command did not round trip through parsing and serialization "
                    "correctly. Input pipeline: "
-                << Value(request.getPipeline()).toString()
-                << ", serialized pipeline: " << Value(serialized).toString();
+                << Value(request.getPipeline()) << ", serialized pipeline: " << Value(serialized);
         fassertFailedWithStatusNoTrace(40175, reparsedPipeline.getStatus());
     }
 
diff --git a/src/mongo/db/commands/plan_cache_commands.cpp b/src/mongo/db/commands/plan_cache_commands.cpp
index 0fb1a5b1d57..25b76b6fbe9 100644
--- a/src/mongo/db/commands/plan_cache_commands.cpp
+++ b/src/mongo/db/commands/plan_cache_commands.cpp
@@ -311,7 +311,7 @@ Status PlanCacheClear::clear(OperationContext* txn,
         if (!planCache->contains(*cq)) {
             // Log if asked to clear non-existent query shape.
             LOG(1) << ns << ": query shape doesn't exist in PlanCache - "
-                   << cq->getQueryObj().toString() << "(sort: " << cq->getQueryRequest().getSort()
+                   << redact(cq->getQueryObj()) << "(sort: " << cq->getQueryRequest().getSort()
                    << "; projection: " << cq->getQueryRequest().getProj()
                    << "; collation: " << cq->getQueryRequest().getCollation() << ")";
             return Status::OK();
@@ -322,7 +322,7 @@ Status PlanCacheClear::clear(OperationContext* txn,
             return result;
         }
 
-        LOG(1) << ns << ": removed plan cache entry - " << cq->getQueryObj().toString()
+        LOG(1) << ns << ": removed plan cache entry - " << redact(cq->getQueryObj())
                << "(sort: " << cq->getQueryRequest().getSort()
                << "; projection: " << cq->getQueryRequest().getProj()
                << "; collation: " << cq->getQueryRequest().getCollation() << ")";
diff --git a/src/mongo/db/commands/server_status.cpp b/src/mongo/db/commands/server_status.cpp
index dbbf5582323..67716cf7a14 100644
--- a/src/mongo/db/commands/server_status.cpp
+++ b/src/mongo/db/commands/server_status.cpp
@@ -167,7 +167,7 @@ public:
         timeBuilder.appendNumber("at end", durationCount<Milliseconds>(runElapsed));
         if (runElapsed > Milliseconds(1000)) {
             BSONObj t = timeBuilder.obj();
-            log() << "serverStatus was very slow: " << t << endl;
+            log() << "serverStatus was very slow: " << t;
             result.append("timing", t);
         }
 
diff --git a/src/mongo/db/commands/test_commands.cpp b/src/mongo/db/commands/test_commands.cpp
index 12ae5131616..47ecb862d60 100644
--- a/src/mongo/db/commands/test_commands.cpp
+++ b/src/mongo/db/commands/test_commands.cpp
@@ -81,7 +81,7 @@ public:
                      string& errmsg,
                      BSONObjBuilder& result) {
         string coll = cmdObj["godinsert"].valuestrsafe();
-        log() << "test only command godinsert invoked coll:" << coll << endl;
+        log() << "test only command godinsert invoked coll:" << coll;
         uassert(13049, "godinsert must specify a collection", !coll.empty());
         string ns = dbname + "." + coll;
         BSONObj obj = cmdObj["obj"].embeddedObjectUserCheck();
@@ -160,7 +160,7 @@ public:
              int,
              string& errmsg,
              BSONObjBuilder& result) {
-        log() << "test only command sleep invoked" << endl;
+        log() << "test only command sleep invoked";
         long long millis = 0;
 
         if (cmdObj["secs"] || cmdObj["millis"]) {
diff --git a/src/mongo/db/commands/user_management_commands.cpp b/src/mongo/db/commands/user_management_commands.cpp
index 2238383d960..797ea21fe4e 100644
--- a/src/mongo/db/commands/user_management_commands.cpp
+++ b/src/mongo/db/commands/user_management_commands.cpp
@@ -2468,7 +2468,7 @@ public:
             if (!status.isOK()) {
                 // Match the behavior of mongorestore to continue on failure
                 warning() << "Could not update user " << userName
-                          << " in _mergeAuthzCollections command: " << status << endl;
+                          << " in _mergeAuthzCollections command: " << redact(status);
             }
         } else {
             auditCreateOrUpdateUser(userObj, true);
@@ -2476,7 +2476,7 @@ public:
             if (!status.isOK()) {
                 // Match the behavior of mongorestore to continue on failure
                 warning() << "Could not insert user " << userName
-                          << " in _mergeAuthzCollections command: " << status << endl;
+                          << " in _mergeAuthzCollections command: " << redact(status);
             }
         }
         usersToDrop->erase(userName);
@@ -2506,7 +2506,7 @@ public:
             if (!status.isOK()) {
                 // Match the behavior of mongorestore to continue on failure
                 warning() << "Could not update role " << roleName
-                          << " in _mergeAuthzCollections command: " << status << endl;
+                          << " in _mergeAuthzCollections command: " << redact(status);
             }
         } else {
             auditCreateOrUpdateRole(roleObj, true);
@@ -2514,7 +2514,7 @@ public:
             if (!status.isOK()) {
                 // Match the behavior of mongorestore to continue on failure
                 warning() << "Could not insert role " << roleName
-                          << " in _mergeAuthzCollections command: " << status << endl;
+                          << " in _mergeAuthzCollections command: " << redact(status);
             }
         }
         rolesToDrop->erase(roleName);
@@ -2733,7 +2733,7 @@ public:
  * Logs that the auth schema upgrade failed because of "status" and returns "status".
  */
 Status logUpgradeFailed(const Status& status) {
-    log() << "Auth schema upgrade failed with " << status;
+    log() << "Auth schema upgrade failed with " << redact(status);
     return status;
 }
 
diff --git a/src/mongo/db/commands/validate.cpp b/src/mongo/db/commands/validate.cpp
index 0119e0db238..f1d5ff4a349 100644
--- a/src/mongo/db/commands/validate.cpp
+++ b/src/mongo/db/commands/validate.cpp
@@ -107,7 +107,7 @@ public:
         }
 
         if (!serverGlobalParams.quiet) {
-            LOG(0) << "CMD: validate " << ns << endl;
+            LOG(0) << "CMD: validate " << ns;
         }
 
         AutoGetDb ctx(txn, ns_string.db(), MODE_IX);
diff --git a/src/mongo/db/concurrency/lock_state.cpp b/src/mongo/db/concurrency/lock_state.cpp
index 4eaa4799fee..dd5e246e3c1 100644
--- a/src/mongo/db/concurrency/lock_state.cpp
+++ b/src/mongo/db/concurrency/lock_state.cpp
@@ -215,7 +215,7 @@ void LockerImpl<IsForMMAPV1>::dump() const {
     }
     _lock.unlock();
 
-    log() << ss.str() << std::endl;
+    log() << ss.str();
 }
 
 
diff --git a/src/mongo/db/curop.cpp b/src/mongo/db/curop.cpp
index 9a07029937c..527847c4df6 100644
--- a/src/mongo/db/curop.cpp
+++ b/src/mongo/db/curop.cpp
@@ -246,7 +246,7 @@ ProgressMeter& CurOp::setMessage_inlock(const char* msg,
                                         int secondsBetween) {
     if (progressMeterTotal) {
         if (_progressMeter.isActive()) {
-            error() << "old _message: " << _message << " new message:" << msg;
+            error() << "old _message: " << redact(_message) << " new message:" << redact(msg);
             verify(!_progressMeter.isActive());
         }
         _progressMeter.reset(progressMeterTotal, secondsBetween);
diff --git a/src/mongo/db/db.cpp b/src/mongo/db/db.cpp
index 1020d5d1e89..35b1250a81a 100644
--- a/src/mongo/db/db.cpp
+++ b/src/mongo/db/db.cpp
@@ -355,7 +355,7 @@ void checkForCappedOplog(OperationContext* txn, Database* db) {
 }
 
 void repairDatabasesAndCheckVersion(OperationContext* txn) {
-    LOG(1) << "enter repairDatabases (to check pdfile version #)" << endl;
+    LOG(1) << "enter repairDatabases (to check pdfile version #)";
 
     ScopedTransaction transaction(txn, MODE_X);
     Lock::GlobalWrite lk(txn->lockState());
@@ -370,7 +370,7 @@ void repairDatabasesAndCheckVersion(OperationContext* txn) {
         invariant(!storageGlobalParams.readOnly);
         for (vector<string>::const_iterator i = dbNames.begin(); i != dbNames.end(); ++i) {
             const string dbName = *i;
-            LOG(1) << "    Repairing database: " << dbName << endl;
+            LOG(1) << "    Repairing database: " << dbName;
 
             fassert(18506, repairDatabase(txn, storageEngine, dbName));
         }
@@ -390,7 +390,7 @@ void repairDatabasesAndCheckVersion(OperationContext* txn) {
 
     for (vector<string>::const_iterator i = dbNames.begin(); i != dbNames.end(); ++i) {
         const string dbName = *i;
-        LOG(1) << "    Recovering database: " << dbName << endl;
+        LOG(1) << "    Recovering database: " << dbName;
 
         Database* db = dbHolder().openDb(txn, dbName);
         invariant(db);
@@ -409,7 +409,7 @@ void repairDatabasesAndCheckVersion(OperationContext* txn) {
             }
             severe() << "Unable to start mongod due to an incompatibility with the data files and"
                         " this version of mongod: "
-                     << status;
+                     << redact(status);
             severe() << "Please consult our documentation when trying to downgrade to a previous"
                         " major release";
             quickExit(EXIT_NEED_UPGRADE);
@@ -462,7 +462,7 @@ void repairDatabasesAndCheckVersion(OperationContext* txn) {
 
             const Status keyStatus = validateKeyPattern(key);
             if (!keyStatus.isOK()) {
-                log() << "Problem with index " << index << ": " << keyStatus.reason()
+                log() << "Problem with index " << index << ": " << redact(keyStatus)
                       << " This index can still be used however it cannot be rebuilt."
                       << " For more info see"
                       << " http://dochub.mongodb.org/core/index-validation" << startupWarningsLog;
@@ -501,7 +501,7 @@ void repairDatabasesAndCheckVersion(OperationContext* txn) {
         }
     }
 
-    LOG(1) << "done repairDatabases" << endl;
+    LOG(1) << "done repairDatabases";
 }
 
 void _initWireSpec() {
@@ -568,7 +568,7 @@ ExitCode _initAndListen(int listenPort) {
     auto transportLayer = stdx::make_unique<transport::TransportLayerLegacy>(options, sepPtr);
     auto res = transportLayer->setup();
     if (!res.isOK()) {
-        error() << "Failed to set up listener: " << res.toString();
+        error() << "Failed to set up listener: " << res;
         return EXIT_NET_ERROR;
     }
 
@@ -671,7 +671,7 @@ ExitCode _initAndListen(int listenPort) {
     repairDatabasesAndCheckVersion(startupOpCtx.get());
 
     if (storageGlobalParams.upgrade) {
-        log() << "finished checking dbs" << endl;
+        log() << "finished checking dbs";
         exitCleanly(EXIT_CLEAN);
     }
 
@@ -697,7 +697,7 @@ ExitCode _initAndListen(int listenPort) {
     if (globalAuthzManager->shouldValidateAuthSchemaOnStartup()) {
         Status status = authindex::verifySystemIndexes(startupOpCtx.get());
         if (!status.isOK()) {
-            log() << status.reason();
+            log() << redact(status);
             exitCleanly(EXIT_NEED_UPGRADE);
         }
 
@@ -709,7 +709,7 @@ ExitCode _initAndListen(int listenPort) {
             log() << "Auth schema version is incompatible: "
                   << "User and role management commands require auth data to have "
                   << "at least schema version " << AuthorizationManager::schemaVersion26Final
-                  << " but startup could not verify schema version: " << status.toString() << endl;
+                  << " but startup could not verify schema version: " << status;
             exitCleanly(EXIT_NEED_UPGRADE);
         }
         if (foundSchemaVersion < AuthorizationManager::schemaVersion26Final) {
@@ -718,7 +718,7 @@ ExitCode _initAndListen(int listenPort) {
                   << "at least schema version " << AuthorizationManager::schemaVersion26Final
                   << " but found " << foundSchemaVersion << ". In order to upgrade "
                   << "the auth schema, first downgrade MongoDB binaries to version "
-                  << "2.6 and then run the authSchemaUpgrade command." << endl;
+                  << "2.6 and then run the authSchemaUpgrade command.";
             exitCleanly(EXIT_NEED_UPGRADE);
         }
     } else if (globalAuthzManager->isAuthEnabled()) {
@@ -810,16 +810,16 @@ ExitCode initAndListen(int listenPort) {
     try {
         return _initAndListen(listenPort);
     } catch (DBException& e) {
-        log() << "exception in initAndListen: " << e.toString() << ", terminating" << endl;
+        log() << "exception in initAndListen: " << e.toString() << ", terminating";
         return EXIT_UNCAUGHT;
     } catch (std::exception& e) {
         log() << "exception in initAndListen std::exception: " << e.what() << ", terminating";
         return EXIT_UNCAUGHT;
     } catch (int& n) {
-        log() << "exception in initAndListen int: " << n << ", terminating" << endl;
+        log() << "exception in initAndListen int: " << n << ", terminating";
         return EXIT_UNCAUGHT;
     } catch (...) {
-        log() << "exception in initAndListen, terminating" << endl;
+        log() << "exception in initAndListen, terminating";
         return EXIT_UNCAUGHT;
     }
 }
@@ -829,7 +829,7 @@ ExitCode initAndListen(int listenPort) {
 #if defined(_WIN32)
 ExitCode initService() {
     ntservice::reportStatus(SERVICE_RUNNING);
-    log() << "Service running" << endl;
+    log() << "Service running";
     return initAndListen(serverGlobalParams.port);
 }
 #endif
diff --git a/src/mongo/db/dbhelpers.cpp b/src/mongo/db/dbhelpers.cpp
index 65f8c801447..fa728c3bdca 100644
--- a/src/mongo/db/dbhelpers.cpp
+++ b/src/mongo/db/dbhelpers.cpp
@@ -429,8 +429,8 @@ long long Helpers::removeRange(OperationContext* txn,
             NamespaceString nss(ns);
             if (!repl::getGlobalReplicationCoordinator()->canAcceptWritesFor(nss)) {
                 warning() << "stepped down from primary while deleting chunk; "
-                          << "orphaning data in " << ns << " in range [" << min << ", " << max
-                          << ")";
+                          << "orphaning data in " << ns << " in range [" << redact(min) << ", "
+                          << redact(max) << ")";
                 return numDeleted;
             }
 
@@ -518,14 +518,14 @@ Helpers::RemoveSaver::~RemoveSaver() {
         Status status = _protector->finalize(protectedBuffer.get(), protectedSizeMax, &resultLen);
         if (!status.isOK()) {
             severe() << "Unable to finalize DataProtector while closing RemoveSaver: "
-                     << status.reason();
+                     << redact(status);
             fassertFailed(34350);
         }
 
         _out->write(reinterpret_cast<const char*>(protectedBuffer.get()), resultLen);
         if (_out->fail()) {
             severe() << "Couldn't write finalized DataProtector data to: " << _file.string()
-                     << " for remove saving: " << errnoWithDescription();
+                     << " for remove saving: " << redact(errnoWithDescription());
             fassertFailed(34351);
         }
 
@@ -533,7 +533,7 @@ Helpers::RemoveSaver::~RemoveSaver() {
         status = _protector->finalizeTag(protectedBuffer.get(), protectedSizeMax, &resultLen);
         if (!status.isOK()) {
             severe() << "Unable to get finalizeTag from DataProtector while closing RemoveSaver: "
-                     << status.reason();
+                     << redact(status);
             fassertFailed(34352);
         }
         if (resultLen != _protector->getNumberOfBytesReservedForTag()) {
@@ -546,7 +546,7 @@ Helpers::RemoveSaver::~RemoveSaver() {
         _out->write(reinterpret_cast<const char*>(protectedBuffer.get()), resultLen);
         if (_out->fail()) {
             severe() << "Couldn't write finalizeTag from DataProtector to: " << _file.string()
-                     << " for remove saving: " << errnoWithDescription();
+                     << " for remove saving: " << redact(errnoWithDescription());
             fassertFailed(34354);
         }
     }
@@ -558,7 +558,7 @@ Status Helpers::RemoveSaver::goingToDelete(const BSONObj& o) {
         _out.reset(new ofstream(_file.string().c_str(), ios_base::out | ios_base::binary));
         if (_out->fail()) {
             string msg = str::stream() << "couldn't create file: " << _file.string()
-                                       << " for remove saving: " << errnoWithDescription();
+                                       << " for remove saving: " << redact(errnoWithDescription());
             error() << msg;
             _out.reset();
             _out = 0;
@@ -591,7 +591,7 @@ Status Helpers::RemoveSaver::goingToDelete(const BSONObj& o) {
     _out->write(reinterpret_cast<const char*>(data), dataSize);
     if (_out->fail()) {
         string msg = str::stream() << "couldn't write document to file: " << _file.string()
-                                   << " for remove saving: " << errnoWithDescription();
+                                   << " for remove saving: " << redact(errnoWithDescription());
         error() << msg;
         return Status(ErrorCodes::OperationFailed, msg);
     }
diff --git a/src/mongo/db/exec/cached_plan.cpp b/src/mongo/db/exec/cached_plan.cpp
index 738a974ea89..f1867423b78 100644
--- a/src/mongo/db/exec/cached_plan.cpp
+++ b/src/mongo/db/exec/cached_plan.cpp
@@ -139,9 +139,9 @@ Status CachedPlanStage::pickBestPlan(PlanYieldPolicy* yieldPolicy) {
             WorkingSetCommon::getStatusMemberObject(*_ws, id, &statusObj);
 
             LOG(1) << "Execution of cached plan failed, falling back to replan."
-                   << " query: " << _canonicalQuery->toStringShort()
-                   << " planSummary: " << Explain::getPlanSummary(child().get())
-                   << " status: " << statusObj;
+                   << " query: " << redact(_canonicalQuery->toStringShort())
+                   << " planSummary: " << redact(Explain::getPlanSummary(child().get()))
+                   << " status: " << redact(statusObj);
 
             const bool shouldCache = false;
             return replan(yieldPolicy, shouldCache);
@@ -150,9 +150,9 @@ Status CachedPlanStage::pickBestPlan(PlanYieldPolicy* yieldPolicy) {
             WorkingSetCommon::getStatusMemberObject(*_ws, id, &statusObj);
 
             LOG(1) << "Execution of cached plan failed: PlanStage died"
-                   << ", query: " << _canonicalQuery->toStringShort()
-                   << " planSummary: " << Explain::getPlanSummary(child().get())
-                   << " status: " << statusObj;
+                   << ", query: " << redact(_canonicalQuery->toStringShort())
+                   << " planSummary: " << redact(Explain::getPlanSummary(child().get()))
+                   << " status: " << redact(statusObj);
 
             return WorkingSetCommon::getMemberObjectStatus(statusObj);
         } else {
@@ -165,8 +165,8 @@ Status CachedPlanStage::pickBestPlan(PlanYieldPolicy* yieldPolicy) {
     LOG(1) << "Execution of cached plan required " << maxWorksBeforeReplan
            << " works, but was originally cached with only " << _decisionWorks
            << " works. Evicting cache entry and replanning query: "
-           << _canonicalQuery->toStringShort()
-           << " plan summary before replan: " << Explain::getPlanSummary(child().get());
+           << redact(_canonicalQuery->toStringShort())
+           << " plan summary before replan: " << redact(Explain::getPlanSummary(child().get()));
 
     const bool shouldCache = true;
     return replan(yieldPolicy, shouldCache);
@@ -240,8 +240,8 @@ Status CachedPlanStage::replan(PlanYieldPolicy* yieldPolicy, bool shouldCache) {
 
         LOG(1)
             << "Replanning of query resulted in single query solution, which will not be cached. "
-            << _canonicalQuery->toStringShort()
-            << " plan summary after replan: " << Explain::getPlanSummary(child().get())
+            << redact(_canonicalQuery->toStringShort())
+            << " plan summary after replan: " << redact(Explain::getPlanSummary(child().get()))
             << " previous cache entry evicted: " << (shouldCache ? "yes" : "no");
         return Status::OK();
     }
@@ -273,8 +273,8 @@ Status CachedPlanStage::replan(PlanYieldPolicy* yieldPolicy, bool shouldCache) {
         return pickBestPlanStatus;
     }
 
-    LOG(1) << "Replanning " << _canonicalQuery->toStringShort()
-           << " resulted in plan with summary: " << Explain::getPlanSummary(child().get())
+    LOG(1) << "Replanning " << redact(_canonicalQuery->toStringShort())
+           << " resulted in plan with summary: " << redact(Explain::getPlanSummary(child().get()))
            << ", which " << (shouldCache ? "has" : "has not") << " been written to the cache";
     return Status::OK();
 }
@@ -333,9 +333,9 @@ void CachedPlanStage::updatePlanCache() {
     PlanCache* cache = _collection->infoCache()->getPlanCache();
     Status fbs = cache->feedback(*_canonicalQuery, feedback.release());
     if (!fbs.isOK()) {
-        LOG(5) << _canonicalQuery->ns()
-               << ": Failed to update cache with feedback: " << fbs.toString() << " - "
-               << "(query: " << _canonicalQuery->getQueryObj()
+        LOG(5) << _canonicalQuery->ns() << ": Failed to update cache with feedback: " << redact(fbs)
+               << " - "
+               << "(query: " << redact(_canonicalQuery->getQueryObj())
                << "; sort: " << _canonicalQuery->getQueryRequest().getSort()
                << "; projection: " << _canonicalQuery->getQueryRequest().getProj()
                << ") is no longer in plan cache.";
diff --git a/src/mongo/db/exec/geo_near.cpp b/src/mongo/db/exec/geo_near.cpp
index fa1974ae6d0..bbf0c316d13 100644
--- a/src/mongo/db/exec/geo_near.cpp
+++ b/src/mongo/db/exec/geo_near.cpp
@@ -123,12 +123,12 @@ static void extractGeometries(const BSONObj& doc,
                     // Valid geometry element
                     geometries->push_back(stored.release());
                 } else {
-                    warning() << "geoNear stage read non-geometry element " << nextEl.toString()
-                              << " in array " << el.toString();
+                    warning() << "geoNear stage read non-geometry element " << redact(nextEl)
+                              << " in array " << redact(el);
                 }
             }
         } else {
-            warning() << "geoNear stage read non-geometry element " << el.toString();
+            warning() << "geoNear stage read non-geometry element " << redact(el);
         }
     }
 }
diff --git a/src/mongo/db/exec/multi_plan.cpp b/src/mongo/db/exec/multi_plan.cpp
index 9a7275c12f3..28c14dbcba3 100644
--- a/src/mongo/db/exec/multi_plan.cpp
+++ b/src/mongo/db/exec/multi_plan.cpp
@@ -118,7 +118,7 @@ PlanStage::StageState MultiPlanStage::doWork(WorkingSetID* out) {
     StageState state = bestPlan.root->work(out);
 
     if (PlanStage::FAILURE == state && hasBackupPlan()) {
-        LOG(5) << "Best plan errored out switching to backup\n";
+        LOG(5) << "Best plan errored out switching to backup";
         // Uncache the bad solution if we fall back
         // on the backup solution.
         //
@@ -136,7 +136,7 @@ PlanStage::StageState MultiPlanStage::doWork(WorkingSetID* out) {
     }
 
     if (hasBackupPlan() && PlanStage::ADVANCED == state) {
-        LOG(5) << "Best plan had a blocking stage, became unblocked\n";
+        LOG(5) << "Best plan had a blocking stage, became unblocked";
         _backupPlanIdx = kNoSuchPlan;
     }
 
@@ -238,15 +238,15 @@ Status MultiPlanStage::pickBestPlan(PlanYieldPolicy* yieldPolicy) {
     std::list<WorkingSetID>& alreadyProduced = bestCandidate.results;
     const auto& bestSolution = bestCandidate.solution;
 
-    LOG(5) << "Winning solution:\n" << bestSolution->toString() << endl;
-    LOG(2) << "Winning plan: " << Explain::getPlanSummary(bestCandidate.root);
+    LOG(5) << "Winning solution:\n" << redact(bestSolution->toString());
+    LOG(2) << "Winning plan: " << redact(Explain::getPlanSummary(bestCandidate.root));
 
     _backupPlanIdx = kNoSuchPlan;
     if (bestSolution->hasBlockingStage && (0 == alreadyProduced.size())) {
-        LOG(5) << "Winner has blocking stage, looking for backup plan...\n";
+        LOG(5) << "Winner has blocking stage, looking for backup plan...";
         for (size_t ix = 0; ix < _candidates.size(); ++ix) {
             if (!_candidates[ix].solution->hasBlockingStage) {
-                LOG(5) << "Candidate " << ix << " is backup child\n";
+                LOG(5) << "Candidate " << ix << " is backup child";
                 _backupPlanIdx = ix;
                 break;
             }
@@ -275,11 +275,11 @@ Status MultiPlanStage::pickBestPlan(PlanYieldPolicy* yieldPolicy) {
             size_t runnerUpIdx = ranking->candidateOrder[1];
 
             LOG(1) << "Winning plan tied with runner-up. Not caching."
-                   << " ns: " << _collection->ns() << " " << _query->toStringShort()
-                   << " winner score: " << ranking->scores[0]
-                   << " winner summary: " << Explain::getPlanSummary(_candidates[winnerIdx].root)
+                   << " ns: " << _collection->ns() << " " << redact(_query->toStringShort())
+                   << " winner score: " << ranking->scores[0] << " winner summary: "
+                   << redact(Explain::getPlanSummary(_candidates[winnerIdx].root))
                    << " runner-up score: " << ranking->scores[1] << " runner-up summary: "
-                   << Explain::getPlanSummary(_candidates[runnerUpIdx].root);
+                   << redact(Explain::getPlanSummary(_candidates[runnerUpIdx].root));
         }
 
         if (alreadyProduced.empty()) {
@@ -289,9 +289,9 @@ Status MultiPlanStage::pickBestPlan(PlanYieldPolicy* yieldPolicy) {
 
             size_t winnerIdx = ranking->candidateOrder[0];
             LOG(1) << "Winning plan had zero results. Not caching."
-                   << " ns: " << _collection->ns() << " " << _query->toStringShort()
-                   << " winner score: " << ranking->scores[0]
-                   << " winner summary: " << Explain::getPlanSummary(_candidates[winnerIdx].root);
+                   << " ns: " << _collection->ns() << " " << redact(_query->toStringShort())
+                   << " winner score: " << ranking->scores[0] << " winner summary: "
+                   << redact(Explain::getPlanSummary(_candidates[winnerIdx].root));
         }
     }
 
@@ -316,7 +316,7 @@ Status MultiPlanStage::pickBestPlan(PlanYieldPolicy* yieldPolicy) {
         for (size_t ix = 0; ix < solutions.size(); ++ix) {
             if (NULL == solutions[ix]->cacheData.get()) {
                 LOG(5) << "Not caching query because this solution has no cache data: "
-                       << solutions[ix]->toString();
+                       << redact(solutions[ix]->toString());
                 validSolutions = false;
                 break;
             }
diff --git a/src/mongo/db/exec/projection.cpp b/src/mongo/db/exec/projection.cpp
index 7d6deac699c..b16dd789915 100644
--- a/src/mongo/db/exec/projection.cpp
+++ b/src/mongo/db/exec/projection.cpp
@@ -203,7 +203,7 @@ PlanStage::StageState ProjectionStage::doWork(WorkingSetID* out) {
         // Punt to our specific projection impl.
         Status projStatus = transform(member);
         if (!projStatus.isOK()) {
-            warning() << "Couldn't execute projection, status = " << projStatus.toString() << endl;
+            warning() << "Couldn't execute projection, status = " << redact(projStatus);
             *out = WorkingSetCommon::allocateStatusMember(_ws, projStatus);
             return PlanStage::FAILURE;
         }
diff --git a/src/mongo/db/exec/shard_filter.cpp b/src/mongo/db/exec/shard_filter.cpp
index 9c2f142622b..84318b02357 100644
--- a/src/mongo/db/exec/shard_filter.cpp
+++ b/src/mongo/db/exec/shard_filter.cpp
@@ -91,7 +91,7 @@ PlanStage::StageState ShardFilterStage::doWork(WorkingSetID* out) {
                                   "query planning has failed");
 
                     // Fail loudly and cleanly in production, fatally in debug
-                    error() << status.toString();
+                    error() << redact(status);
                     dassert(false);
 
                     _ws->free(*out);
@@ -101,8 +101,7 @@ PlanStage::StageState ShardFilterStage::doWork(WorkingSetID* out) {
 
                 // Skip this document with a warning - no shard key should not be possible
                 // unless manually inserting data into a shard
-                warning() << "no shard key found in document " << member->obj.value().toString()
-                          << " "
+                warning() << "no shard key found in document " << redact(member->obj.value()) << " "
                           << "for shard key pattern " << _metadata->getKeyPattern() << ", "
                           << "document may have been inserted manually into shard";
             }
diff --git a/src/mongo/db/exec/stagedebug_cmd.cpp b/src/mongo/db/exec/stagedebug_cmd.cpp
index f37a5ddc4e9..13da0300c94 100644
--- a/src/mongo/db/exec/stagedebug_cmd.cpp
+++ b/src/mongo/db/exec/stagedebug_cmd.cpp
@@ -210,7 +210,7 @@ public:
         if (PlanExecutor::FAILURE == state || PlanExecutor::DEAD == state) {
             error() << "Plan executor error during StageDebug command: "
                     << PlanExecutor::statestr(state)
-                    << ", stats: " << Explain::getWinningPlanStats(exec.get());
+                    << ", stats: " << redact(Explain::getWinningPlanStats(exec.get()));
 
             return appendCommandStatus(result,
                                        Status(ErrorCodes::OperationFailed,
diff --git a/src/mongo/db/exec/subplan.cpp b/src/mongo/db/exec/subplan.cpp
index f98f088ca9c..d7cbaed6db2 100644
--- a/src/mongo/db/exec/subplan.cpp
+++ b/src/mongo/db/exec/subplan.cpp
@@ -173,7 +173,7 @@ Status SubplanStage::planSubqueries() {
     for (size_t i = 0; i < _plannerParams.indices.size(); ++i) {
         const IndexEntry& ie = _plannerParams.indices[i];
         _indexMap[ie.name] = i;
-        LOG(5) << "Subplanner: index " << i << " is " << ie.toString();
+        LOG(5) << "Subplanner: index " << i << " is " << ie;
     }
 
     const ExtensionsCallbackReal extensionsCallback(getOpCtx(), &_collection->ns());
@@ -400,7 +400,7 @@ Status SubplanStage::choosePlanForSubqueries(PlanYieldPolicy* yieldPolicy) {
         return Status(ErrorCodes::BadValue, ss);
     }
 
-    LOG(5) << "Subplanner: fully tagged tree is " << solnRoot->toString();
+    LOG(5) << "Subplanner: fully tagged tree is " << redact(solnRoot->toString());
 
     // Takes ownership of 'solnRoot'
     _compositeSolution.reset(
@@ -412,7 +412,7 @@ Status SubplanStage::choosePlanForSubqueries(PlanYieldPolicy* yieldPolicy) {
         return Status(ErrorCodes::BadValue, ss);
     }
 
-    LOG(5) << "Subplanner: Composite solution is " << _compositeSolution->toString();
+    LOG(5) << "Subplanner: Composite solution is " << redact(_compositeSolution->toString());
 
     // Use the index tags from planning each branch to construct the composite solution,
     // and set that solution as our child stage.
diff --git a/src/mongo/db/geo/r2_region_coverer.cpp b/src/mongo/db/geo/r2_region_coverer.cpp
index c593498e683..47ba2528328 100644
--- a/src/mongo/db/geo/r2_region_coverer.cpp
+++ b/src/mongo/db/geo/r2_region_coverer.cpp
@@ -108,7 +108,8 @@ void R2RegionCoverer::getCovering(const R2Region& region, vector<GeoHash>* cover
     while (!_candidateQueue->empty()) {
         Candidate* candidate = _candidateQueue->top().second;  // Owned
         _candidateQueue->pop();
-        LOG(3) << "Pop: " << candidate->cell;
+        // REDACT?? I think this may have User info, but I'm not sure how to redact
+        LOG(3) << "Pop: " << redact(candidate->cell.toString());
 
         // Try to expand this cell into its children
         if (candidate->cell.getBits() < _minLevel || candidate->numChildren == 1 ||
@@ -184,7 +185,8 @@ void R2RegionCoverer::addCandidate(Candidate* candidate) {
         int priority = -(((((int)candidate->cell.getBits() << 4) + candidate->numChildren) << 4) +
                          numTerminals);
         _candidateQueue->push(make_pair(priority, candidate));  // queue owns candidate
-        LOG(3) << "Push: " << candidate->cell << " (" << priority << ") ";
+        // REDACT??
+        LOG(3) << "Push: " << redact(candidate->cell.toString()) << " (" << priority << ") ";
     }
 }
 
diff --git a/src/mongo/db/index/expression_keys_private.cpp b/src/mongo/db/index/expression_keys_private.cpp
index 00edf43e3ce..d58c5ce1dc1 100644
--- a/src/mongo/db/index/expression_keys_private.cpp
+++ b/src/mongo/db/index/expression_keys_private.cpp
@@ -571,7 +571,7 @@ void ExpressionKeysPrivate::getS2Keys(const BSONObj& obj,
 
     if (keysToAdd.size() > params.maxKeysPerInsert) {
         warning() << "Insert of geo object generated a high number of keys."
-                  << " num keys: " << keysToAdd.size() << " obj inserted: " << obj;
+                  << " num keys: " << keysToAdd.size() << " obj inserted: " << redact(obj);
     }
 
     *keys = keysToAdd;
diff --git a/src/mongo/db/index/haystack_access_method.cpp b/src/mongo/db/index/haystack_access_method.cpp
index 64b699332e3..95822b21dc8 100644
--- a/src/mongo/db/index/haystack_access_method.cpp
+++ b/src/mongo/db/index/haystack_access_method.cpp
@@ -77,8 +77,8 @@ void HaystackAccessMethod::searchCommand(OperationContext* txn,
                                          unsigned limit) {
     Timer t;
 
-    LOG(1) << "SEARCH near:" << nearObj << " maxDistance:" << maxDistance << " search: " << search
-           << endl;
+    LOG(1) << "SEARCH near:" << redact(nearObj) << " maxDistance:" << maxDistance
+           << " search: " << redact(search);
     int x, y;
     {
         BSONObjIterator i(nearObj);
diff --git a/src/mongo/db/index/index_access_method.cpp b/src/mongo/db/index/index_access_method.cpp
index 86c045c0257..b832bcdcf72 100644
--- a/src/mongo/db/index/index_access_method.cpp
+++ b/src/mongo/db/index/index_access_method.cpp
@@ -176,8 +176,8 @@ void IndexAccessMethod::removeOneKey(OperationContext* txn,
     try {
         _newInterface->unindex(txn, key, loc, dupsAllowed);
     } catch (AssertionException& e) {
-        log() << "Assertion failure: _unindex failed " << _descriptor->indexNamespace() << endl;
-        log() << "Assertion failure: _unindex failed: " << e.what() << "  key:" << key.toString()
+        log() << "Assertion failure: _unindex failed " << _descriptor->indexNamespace();
+        log() << "Assertion failure: _unindex failed: " << redact(e) << "  key:" << key.toString()
               << "  dl:" << loc;
         logContext();
     }
diff --git a/src/mongo/db/index/index_descriptor.cpp b/src/mongo/db/index/index_descriptor.cpp
index 3e27759a3a9..368ebfa57e9 100644
--- a/src/mongo/db/index/index_descriptor.cpp
+++ b/src/mongo/db/index/index_descriptor.cpp
@@ -93,11 +93,4 @@ bool IndexDescriptor::areIndexOptionsEquivalent(const IndexDescriptor* other) co
                                                                            rhs.second);
                    });
 }
-
-void IndexDescriptor::_checkOk() const {
-    if (_magic == 123987)
-        return;
-    log() << "uh oh: " << (void*)(this) << " " << _magic;
-    invariant(0);
-}
 }
diff --git a/src/mongo/db/index/index_descriptor.h b/src/mongo/db/index/index_descriptor.h
index cead1965b9e..c41131d578e 100644
--- a/src/mongo/db/index/index_descriptor.h
+++ b/src/mongo/db/index/index_descriptor.h
@@ -58,8 +58,7 @@ public:
      * infoObj is a copy of the index-describing BSONObj contained in the OnDiskIndexData.
      */
     IndexDescriptor(Collection* collection, const std::string& accessMethodName, BSONObj infoObj)
-        : _magic(123987),
-          _collection(collection),
+        : _collection(collection),
           _accessMethodName(accessMethodName),
           _infoObj(infoObj.getOwned()),
           _numFields(infoObj.getObjectField("key").nFields()),
@@ -80,9 +79,6 @@ public:
         }
     }
 
-    ~IndexDescriptor() {
-        _magic = 555;
-    }
 
     //
     // Information about the key pattern.
@@ -94,7 +90,6 @@ public:
      * Example: {foo: 1, bar: -1}
      */
     const BSONObj& keyPattern() const {
-        _checkOk();
         return _keyPattern;
     }
 
@@ -108,7 +103,6 @@ public:
 
     // How many fields do we index / are in the key pattern?
     int getNumFields() const {
-        _checkOk();
         return _numFields;
     }
 
@@ -118,7 +112,6 @@ public:
 
     // Return the name of the index.
     const std::string& indexName() const {
-        _checkOk();
         return _indexName;
     }
 
@@ -163,17 +156,14 @@ public:
 
     // Is this index multikey?
     bool isMultikey(OperationContext* opCtx) const {
-        _checkOk();
         return _collection->getIndexCatalog()->isMultikey(opCtx, this);
     }
 
     MultikeyPaths getMultikeyPaths(OperationContext* opCtx) const {
-        _checkOk();
         return _collection->getIndexCatalog()->getMultikeyPaths(opCtx, this);
     }
 
     bool isIdIndex() const {
-        _checkOk();
         return _isIdIndex;
     }
 
@@ -193,13 +183,11 @@ public:
 
     // Return a (rather compact) std::string representation.
     std::string toString() const {
-        _checkOk();
         return _infoObj.toString();
     }
 
     // Return the info object.
     const BSONObj& infoObj() const {
-        _checkOk();
         return _infoObj;
     }
 
@@ -229,10 +217,6 @@ public:
     }
 
 private:
-    void _checkOk() const;
-
-    int _magic;
-
     // Related catalog information of the parent collection
     Collection* _collection;
 
diff --git a/src/mongo/db/index/s2_access_method.cpp b/src/mongo/db/index/s2_access_method.cpp
index 32b94a15ca0..8ba47c1a6be 100644
--- a/src/mongo/db/index/s2_access_method.cpp
+++ b/src/mongo/db/index/s2_access_method.cpp
@@ -74,8 +74,7 @@ S2AccessMethod::S2AccessMethod(IndexCatalogEntry* btreeState, SortedDataInterfac
             geoFields >= 1);
 
     if (descriptor->isSparse()) {
-        warning() << "Sparse option ignored for index spec " << descriptor->keyPattern().toString()
-                  << "\n";
+        warning() << "Sparse option ignored for index spec " << descriptor->keyPattern().toString();
     }
 }
 
diff --git a/src/mongo/db/index_builder.cpp b/src/mongo/db/index_builder.cpp
index a2a467390a6..fbefb512ff2 100644
--- a/src/mongo/db/index_builder.cpp
+++ b/src/mongo/db/index_builder.cpp
@@ -101,7 +101,7 @@ void IndexBuilder::run() {
 
     Status status = _build(&txn, db, true, &dlk);
     if (!status.isOK()) {
-        error() << "IndexBuilder could not build index: " << status.toString();
+        error() << "IndexBuilder could not build index: " << redact(status);
         fassert(28555, ErrorCodes::isInterruption(status.code()));
     }
 }
@@ -193,7 +193,7 @@ Status IndexBuilder::_build(OperationContext* txn,
                     wunit.commit();
                 }
                 if (!status.isOK()) {
-                    error() << "bad status from index build: " << status;
+                    error() << "bad status from index build: " << redact(status);
                 }
             } catch (const DBException& e) {
                 status = e.toStatus();
diff --git a/src/mongo/db/index_rebuilder.cpp b/src/mongo/db/index_rebuilder.cpp
index ed9e82a6edb..2d4c40f5747 100644
--- a/src/mongo/db/index_rebuilder.cpp
+++ b/src/mongo/db/index_rebuilder.cpp
@@ -127,7 +127,7 @@ void checkNS(OperationContext* txn, const std::list<std::string>& nsToCheck) {
             indexer.commit();
             wunit.commit();
         } catch (const DBException& e) {
-            error() << "Index rebuilding did not complete: " << e.toString();
+            error() << "Index rebuilding did not complete: " << redact(e);
             log() << "note: restart the server with --noIndexBuildRetry to skip index rebuilds";
             // If anything went wrong, leave the indexes partially built so that we pick them up
             // again on restart.
@@ -164,9 +164,9 @@ void restartInProgressIndexesFromLastShutdown(OperationContext* txn) {
         }
         checkNS(txn, collNames);
     } catch (const DBException& e) {
-        error() << "Index verification did not complete: " << e.toString();
+        error() << "Index verification did not complete: " << redact(e);
         fassertFailedNoTrace(18643);
     }
-    LOG(1) << "checking complete" << endl;
+    LOG(1) << "checking complete";
 }
 }
diff --git a/src/mongo/db/initialize_server_global_state.cpp b/src/mongo/db/initialize_server_global_state.cpp
index acd16f3577d..c6d0983e1d0 100644
--- a/src/mongo/db/initialize_server_global_state.cpp
+++ b/src/mongo/db/initialize_server_global_state.cpp
@@ -289,7 +289,7 @@ MONGO_INITIALIZER_GENERAL(ServerLogRedirection,
                     new MessageEventDetailsEncoder, writer.getValue())));
 
         if (serverGlobalParams.logAppend && exists) {
-            log() << "***** SERVER RESTARTED *****" << endl;
+            log() << "***** SERVER RESTARTED *****";
             Status status = logger::RotatableFileWriter::Use(writer.getValue()).status();
             if (!status.isOK())
                 return status;
diff --git a/src/mongo/db/instance.cpp b/src/mongo/db/instance.cpp
index 8f9ec0c4318..6a9b909a827 100644
--- a/src/mongo/db/instance.cpp
+++ b/src/mongo/db/instance.cpp
@@ -392,7 +392,7 @@ void receivedKillCursors(OperationContext* txn, Message& m) {
     uassert(13004, str::stream() << "sent negative cursors to kill: " << n, n >= 1);
 
     if (n > 2000) {
-        (n < 30000 ? warning() : error()) << "receivedKillCursors, n=" << n << endl;
+        (n < 30000 ? warning() : error()) << "receivedKillCursors, n=" << n;
         verify(n < 30000);
     }
 
@@ -401,7 +401,7 @@ void receivedKillCursors(OperationContext* txn, Message& m) {
     int found = CursorManager::eraseCursorGlobalIfAuthorized(txn, n, cursorArray);
 
     if (shouldLog(logger::LogSeverity::Debug(1)) || found != n) {
-        LOG(found == n ? 1 : 0) << "killcursors: found " << found << " of " << n << endl;
+        LOG(found == n ? 1 : 0) << "killcursors: found " << found << " of " << n;
     }
 }
 
@@ -531,7 +531,7 @@ void (*reportEventToSystem)(const char* msg) = 0;
 void mongoAbort(const char* msg) {
     if (reportEventToSystem)
         reportEventToSystem(msg);
-    severe() << msg;
+    severe() << redact(msg);
     ::abort();
 }
 
@@ -624,7 +624,7 @@ void assembleResponse(OperationContext* txn,
 
         int len = strlen(p);
         if (len > 400)
-            log() << curTimeMillis64() % 10000 << " long msg received, len:" << len << endl;
+            log() << curTimeMillis64() % 10000 << " long msg received, len:" << len;
 
         if (strcmp("end", p) == 0)
             dbresponse.response.setData(opReply, "dbMsg end no longer supported");
@@ -640,7 +640,7 @@ void assembleResponse(OperationContext* txn,
                 logThreshold = 10;
                 receivedKillCursors(txn, m);
             } else if (op != dbInsert && op != dbUpdate && op != dbDelete) {
-                log() << "    operation isn't supported: " << static_cast<int>(op) << endl;
+                log() << "    operation isn't supported: " << static_cast<int>(op);
                 currentOp.done();
                 shouldLogOpDebug = true;
             } else {
@@ -672,12 +672,12 @@ void assembleResponse(OperationContext* txn,
         } catch (const UserException& ue) {
             LastError::get(c).setLastError(ue.getCode(), ue.getInfo().msg);
             LOG(3) << " Caught Assertion in " << networkOpToString(op) << ", continuing "
-                   << ue.toString() << endl;
+                   << redact(ue);
             debug.exceptionInfo = ue.getInfo();
         } catch (const AssertionException& e) {
             LastError::get(c).setLastError(e.getCode(), e.getInfo().msg);
             LOG(3) << " Caught Assertion in " << networkOpToString(op) << ", continuing "
-                   << e.toString() << endl;
+                   << redact(e);
             debug.exceptionInfo = e.getInfo();
             shouldLogOpDebug = true;
         }
@@ -694,8 +694,7 @@ void assembleResponse(OperationContext* txn,
     if (shouldLogOpDebug || debug.executionTime > logThreshold) {
         Locker::LockerInfo lockerInfo;
         txn->lockState()->getLockerInfo(&lockerInfo);
-
-        log() << debug.report(&c, currentOp, lockerInfo.stats);
+        log() << redact(debug.report(&c, currentOp, lockerInfo.stats));
     }
 
     if (currentOp.shouldDBProfile(debug.executionTime)) {
@@ -729,14 +728,14 @@ void DiagLog::openFile() {
         log() << msg.ss.str();
         uasserted(ErrorCodes::FileStreamFailed, msg.ss.str());
     } else {
-        log() << "diagLogging using file " << name << endl;
+        log() << "diagLogging using file " << name;
     }
 }
 
 int DiagLog::setLevel(int newLevel) {
     stdx::lock_guard<stdx::mutex> lk(mutex);
     int old = level;
-    log() << "diagLogging level=" << newLevel << endl;
+    log() << "diagLogging level=" << newLevel;
     if (f == 0) {
         openFile();
     }
@@ -746,7 +745,7 @@ int DiagLog::setLevel(int newLevel) {
 
 void DiagLog::flush() {
     if (level) {
-        log() << "flushing diag log" << endl;
+        log() << "flushing diag log";
         stdx::lock_guard<stdx::mutex> lk(mutex);
         f->flush();
     }
diff --git a/src/mongo/db/introspect.cpp b/src/mongo/db/introspect.cpp
index 3bc23d3fa93..cd802146305 100644
--- a/src/mongo/db/introspect.cpp
+++ b/src/mongo/db/introspect.cpp
@@ -161,8 +161,7 @@ void profile(OperationContext* txn, NetworkOp op) {
         }
     } catch (const AssertionException& assertionEx) {
         warning() << "Caught Assertion while trying to profile " << networkOpToString(op)
-                  << " against " << CurOp::get(txn)->getNS() << ": " << assertionEx.toString()
-                  << endl;
+                  << " against " << CurOp::get(txn)->getNS() << ": " << redact(assertionEx);
     }
 }
 
@@ -183,7 +182,7 @@ Status createProfileCollection(OperationContext* txn, Database* db) {
     }
 
     // system.profile namespace doesn't exist; create it
-    log() << "Creating profile collection: " << dbProfilingNS << endl;
+    log() << "Creating profile collection: " << dbProfilingNS;
 
     CollectionOptions collectionOptions;
     collectionOptions.capped = true;
diff --git a/src/mongo/db/prefetch.cpp b/src/mongo/db/prefetch.cpp
index 572ddf4d716..a1d6315bfe1 100644
--- a/src/mongo/db/prefetch.cpp
+++ b/src/mongo/db/prefetch.cpp
@@ -87,7 +87,7 @@ void prefetchIndexPages(OperationContext* txn,
                 invariant(iam);
                 iam->touch(txn, obj);
             } catch (const DBException& e) {
-                LOG(2) << "ignoring exception in prefetchIndexPages(): " << e.what() << endl;
+                LOG(2) << "ignoring exception in prefetchIndexPages(): " << redact(e);
             }
             break;
         }
@@ -105,7 +105,7 @@ void prefetchIndexPages(OperationContext* txn,
                     verify(iam);
                     iam->touch(txn, obj);
                 } catch (const DBException& e) {
-                    LOG(2) << "ignoring exception in prefetchIndexPages(): " << e.what() << endl;
+                    LOG(2) << "ignoring exception in prefetchIndexPages(): " << redact(e);
                 }
             }
             break;
@@ -136,7 +136,7 @@ void prefetchRecordPages(OperationContext* txn, Database* db, const char* ns, co
                 _dummy_char += *(result.objdata() + result.objsize() - 1);
             }
         } catch (const DBException& e) {
-            LOG(2) << "ignoring exception in prefetchRecordPages(): " << e.what() << endl;
+            LOG(2) << "ignoring exception in prefetchRecordPages(): " << redact(e);
         }
     }
 }
@@ -175,7 +175,7 @@ void prefetchPagesForReplicatedOp(OperationContext* txn, Database* db, const BSO
         return;
     }
 
-    LOG(4) << "index prefetch for op " << *opType << endl;
+    LOG(4) << "index prefetch for op " << *opType;
 
     // should we prefetch index pages on updates? if the update is in-place and doesn't change
     // indexed values, it is actually slower - a lot slower if there are a dozen indexes or
@@ -248,7 +248,7 @@ public:
     }
 
     virtual Status setFromString(const string& prefetch) {
-        log() << "changing replication index prefetch behavior to " << prefetch << endl;
+        log() << "changing replication index prefetch behavior to " << prefetch;
 
         ReplSettings::IndexPrefetchConfig prefetchConfig;