diff --git a/cpp/src/db/Options.h b/cpp/src/db/Options.h
index 1af20e42a6ac4644e923f10d254d9b999d5e6f59..aa44e386a35acb0ab5a2a5fc6d40f6f06c98432b 100644
--- a/cpp/src/db/Options.h
+++ b/cpp/src/db/Options.h
@@ -18,8 +18,8 @@ struct DBMetaOptions {
 
 struct Options {
     Options();
-    uint16_t  memory_sync_interval = 10;
-    uint16_t  merge_trigger_number = 100;
+    uint16_t  memory_sync_interval = 1;
+    uint16_t  merge_trigger_number = 2;
     size_t  index_trigger_size = 1024*1024*256;
     Env* env;
     DBMetaOptions meta;