diff --git a/src/common/config_opts.h b/src/common/config_opts.h
index a96b8b30044e0..8e45b4b310321 100644
--- a/src/common/config_opts.h
+++ b/src/common/config_opts.h
@@ -990,7 +990,7 @@ OPTION(bluestore_extent_map_shard_min_size, OPT_U32, 150)
 OPTION(bluestore_extent_map_shard_target_size_slop, OPT_DOUBLE, .2)
 OPTION(bluestore_extent_map_inline_shard_prealloc_size, OPT_U32, 256)
 OPTION(bluestore_cache_type, OPT_STR, "2q")   // lru, 2q
-OPTION(bluestore_onode_cache_size, OPT_U32, 16*1024)
+OPTION(bluestore_onode_cache_size, OPT_U32, 4*1024)
 OPTION(bluestore_buffer_cache_size, OPT_U32, 512*1024*1024)
 OPTION(bluestore_shared_blob_hash_table_size_ratio, OPT_FLOAT, 2)  // multiple of onode_cache_size
 OPTION(bluestore_kvbackend, OPT_STR, "rocksdb")