SERVER-17892 Explicitly turn checksum on for all collections/indexes in WiredTiger by default

2 files changed, 2 insertions, 0 deletions

diff --git a/src/mongo/db/storage/wiredtiger/wiredtiger_index.cpp b/src/mongo/db/storage/wiredtiger/wiredtiger_index.cpp
index 4293a183991..70d9f4cd768 100644
--- a/src/mongo/db/storage/wiredtiger/wiredtiger_index.cpp
+++ b/src/mongo/db/storage/wiredtiger/wiredtiger_index.cpp
@@ -148,6 +148,7 @@ namespace {
         // values in the prefix, but not values in the suffix.  Page sizes are chosen so that index
         // keys (up to 1024 bytes) will not overflow.
         ss << "type=file,internal_page_max=16k,leaf_page_max=16k,";
+        ss << "checksum=on,";
         if (wiredTigerGlobalOptions.useIndexPrefixCompression) {
             ss << "prefix_compression=true,";
         }
diff --git a/src/mongo/db/storage/wiredtiger/wiredtiger_record_store.cpp b/src/mongo/db/storage/wiredtiger/wiredtiger_record_store.cpp
index 11942f5a93b..ee440b67216 100644
--- a/src/mongo/db/storage/wiredtiger/wiredtiger_record_store.cpp
+++ b/src/mongo/db/storage/wiredtiger/wiredtiger_record_store.cpp
@@ -130,6 +130,7 @@ namespace {
         // for workloads where updates increase the size of documents.
         ss << "split_pct=90,";
         ss << "leaf_value_max=1MB,";
+        ss << "checksum=on,";
         if (wiredTigerGlobalOptions.useCollectionPrefixCompression) {
             ss << "prefix_compression,";
         }