SERVER-59658 [v4.2] Improve logging to reflect that sharding metadata refresh waiting on replication

1 files changed, 9 insertions, 1 deletions

diff --git a/src/mongo/db/s/shard_server_catalog_cache_loader.cpp b/src/mongo/db/s/shard_server_catalog_cache_loader.cpp
index 75bd30db265..e12d87e5a7b 100644
--- a/src/mongo/db/s/shard_server_catalog_cache_loader.cpp
+++ b/src/mongo/db/s/shard_server_catalog_cache_loader.cpp
@@ -607,7 +607,12 @@ void ShardServerCatalogCacheLoader::_runSecondaryGetChunksSince(
     const ChunkVersion& catalogCacheSinceVersion,
     stdx::function<void(OperationContext*, StatusWith<CollectionAndChangedChunks>)> callbackFn,
     std::shared_ptr<Notification<void>> notify) {
+
+    Timer t;
     forcePrimaryCollectionRefreshAndWaitForReplication(opCtx, nss);
+    LOG_CATALOG_REFRESH(2) << "Cache loader on secondary successfully waited for primary refresh "
+                              "and replication for collection "
+                           << nss << " in " << t.millis() << "ms";
 
     // Read the local metadata.
 
@@ -739,8 +744,11 @@ void ShardServerCatalogCacheLoader::_runSecondaryGetDatabase(
     StringData dbName,
     stdx::function<void(OperationContext*, StatusWith<DatabaseType>)> callbackFn) {
 
+    Timer t;
     forcePrimaryDatabaseRefreshAndWaitForReplication(opCtx, dbName);
-
+    LOG_CATALOG_REFRESH(2) << "Cache loader on secondary successfully waited for primary refresh "
+                              "and replication for database "
+                           << dbName << " in " << t.millis() << "ms";
     // Read the local metadata.
     auto swDatabaseType = getPersistedDbMetadata(opCtx, dbName);
     callbackFn(opCtx, std::move(swDatabaseType));