SERVER-40886 Added log when operations ignore errors

Author: XueruiFa

src/mongo/db/repl/oplog.cpp

@@ -33,6 +33,8 @@
 
 #include "mongo/db/repl/oplog.h"
 
+#include <fmt/format.h>
+
 #include <deque>
 #include <memory>
 #include <set>
@@ -109,6 +111,8 @@ using IndexVersion = IndexDescriptor::IndexVersion;
 namespace repl {
 namespace {
 
+using namespace fmt::literals;
+
 MONGO_FAIL_POINT_DEFINE(sleepBetweenInsertOpTimeGenerationAndLogOp);
 
 // Failpoint to block after a write and its oplog entry have been written to the storage engine and
@@ -1642,6 +1646,10 @@ Status applyCommand_inlock(OperationContext* opCtx,
                 IndexBuildsCoordinator::get(opCtx)->awaitNoBgOpInProgForDb(nss.db());
                 opCtx->recoveryUnit()->abandonSnapshot();
                 opCtx->checkForInterrupt();
+
+                LOG(1)
+                    << "Acceptable error during oplog application: background operation in progress for DB '{}' from oplog entry {}"_format(
+                           nss.db(), redact(entry.toBSON()));
                 break;
             }
             case ErrorCodes::BackgroundOperationInProgressForNamespace: {
@@ -1664,6 +1672,10 @@ Status applyCommand_inlock(OperationContext* opCtx,
 
                 opCtx->recoveryUnit()->abandonSnapshot();
                 opCtx->checkForInterrupt();
+
+                LOG(1)
+                    << "Acceptable error during oplog application: background operation in progress for ns '{}' from oplog entry {}"_format(
+                           ns, redact(entry.toBSON()));
                 break;
             }
             default: {
@@ -1672,6 +1684,10 @@ Status applyCommand_inlock(OperationContext* opCtx,
                             << " with status " << status << " during oplog application";
                     return status;
                 }
+
+                LOG(1)
+                    << "Acceptable error during oplog application on db '{}' with status '{}' from oplog entry {}"_format(
+                           nss.db(), status.toString(), redact(entry.toBSON()));
             }
             // fallthrough
             case ErrorCodes::OK: