SERVER-44796 adjust nojournal startup warning to be more compelling

(cherry picked from commit ca0c52357a2f92b37d4a3131199130507ad49bb8)

1 files changed, 10 insertions, 3 deletions

diff --git a/src/mongo/db/repl/replication_coordinator_impl.cpp b/src/mongo/db/repl/replication_coordinator_impl.cpp
index 901d2457800..902aa21ed50 100644
--- a/src/mongo/db/repl/replication_coordinator_impl.cpp
+++ b/src/mongo/db/repl/replication_coordinator_impl.cpp
@@ -3051,7 +3051,7 @@ ReplicationCoordinatorImpl::_setCurrentRSConfig_inlock(OperationContext* opCtx,
         (newConfig.getWriteConcernMajorityShouldJournal() &&
          (!oldConfig.isInitialized() || !oldConfig.getWriteConcernMajorityShouldJournal()))) {
         log() << startupWarningsLog;
-        log() << "** WARNING: This replica set is running without journaling enabled but the "
+        log() << "** WARNING: This replica set node is running without journaling enabled but the "
               << startupWarningsLog;
         log() << "**          writeConcernMajorityJournalDefault option to the replica set config "
               << startupWarningsLog;
@@ -3061,6 +3061,9 @@ ReplicationCoordinatorImpl::_setCurrentRSConfig_inlock(OperationContext* opCtx,
               << startupWarningsLog;
         log() << "**          or w:majority write concerns will never complete."
               << startupWarningsLog;
+        log() << "**          In addition, this node's memory consumption may increase until all"
+              << startupWarningsLog;
+        log() << "**          available free RAM is exhausted." << startupWarningsLog;
         log() << startupWarningsLog;
     }
 
@@ -3070,14 +3073,18 @@ ReplicationCoordinatorImpl::_setCurrentRSConfig_inlock(OperationContext* opCtx,
         (newConfig.getWriteConcernMajorityShouldJournal() &&
          (!oldConfig.isInitialized() || !oldConfig.getWriteConcernMajorityShouldJournal()))) {
         log() << startupWarningsLog;
-        log() << "** WARNING: This replica set is using in-memory (ephemeral) storage with the "
+        log() << "** WARNING: This replica set node is using in-memory (ephemeral) storage with the"
               << startupWarningsLog;
         log() << "**          writeConcernMajorityJournalDefault option to the replica set config "
               << startupWarningsLog;
         log() << "**          set to true. The writeConcernMajorityJournalDefault option to the "
               << startupWarningsLog;
-        log() << "**          replica set config is unsupported while using in-memory storage."
+        log() << "**          replica set config must be set to false " << startupWarningsLog;
+        log() << "**          or w:majority write concerns will never complete."
+              << startupWarningsLog;
+        log() << "**          In addition, this node's memory consumption may increase until all"
               << startupWarningsLog;
+        log() << "**          available free RAM is exhausted." << startupWarningsLog;
         log() << startupWarningsLog;
     }