diff --git a/be/src/common/config.cpp b/be/src/common/config.cpp
index 7bd237baf4..44ad6f8be6 100644
--- a/be/src/common/config.cpp
+++ b/be/src/common/config.cpp
@@ -1033,7 +1033,7 @@ DEFINE_Int32(inverted_index_read_buffer_size, "4096");
 // tree depth for bkd index
 DEFINE_Int32(max_depth_in_bkd_tree, "32");
 // index compaction
-DEFINE_mBool(inverted_index_compaction_enable, "false");
+DEFINE_mBool(inverted_index_compaction_enable, "true");
 // Only for debug, do not use in production
 DEFINE_mBool(debug_inverted_index_compaction, "false");
 // index by RAM directory