diff --git a/src/Storages/StorageBuffer.cpp b/src/Storages/StorageBuffer.cpp
index e0657f31de5..77da8c9c972 100644
--- a/src/Storages/StorageBuffer.cpp
+++ b/src/Storages/StorageBuffer.cpp
@@ -736,10 +736,11 @@ void StorageBuffer::flushBuffer(Buffer & buffer, bool check_thresholds, bool loc
 
     ProfileEvents::increment(ProfileEvents::StorageBufferFlush);
 
-    LOG_TRACE(log, "Flushing buffer with {} rows, {} bytes, age {} seconds {}.", rows, bytes, time_passed, (check_thresholds ? "(bg)" : "(direct)"));
-
     if (!destination_id)
+    {
+        LOG_TRACE(log, "Flushing buffer with {} rows (discarded), {} bytes, age {} seconds {}.", rows, bytes, time_passed, (check_thresholds ? "(bg)" : "(direct)"));
         return;
+    }
 
     /** For simplicity, buffer is locked during write.
         * We could unlock buffer temporary, but it would lead to too many difficulties:
@@ -747,6 +748,8 @@ void StorageBuffer::flushBuffer(Buffer & buffer, bool check_thresholds, bool loc
         * - new data could be appended to buffer, and in case of exception, we must merge it with old data, that has not been written;
         * - this could lead to infinite memory growth.
         */
+
+    Stopwatch watch;
     try
     {
         writeBlockToDestination(block_to_write, DatabaseCatalog::instance().tryGetTable(destination_id, global_context));
@@ -770,6 +773,9 @@ void StorageBuffer::flushBuffer(Buffer & buffer, bool check_thresholds, bool loc
         /// After a while, the next write attempt will happen.
         throw;
     }
+
+    UInt64 milliseconds = watch.elapsedMilliseconds();
+    LOG_TRACE(log, "Flushing buffer with {} rows, {} bytes, age {} seconds, took {} ms {}.", rows, bytes, time_passed, milliseconds, (check_thresholds ? "(bg)" : "(direct)"));
 }