diff --git a/be/src/common/config.cpp b/be/src/common/config.cpp
index c4609798f31b02..32f5100c76894b 100644
--- a/be/src/common/config.cpp
+++ b/be/src/common/config.cpp
@@ -1453,7 +1453,7 @@ DEFINE_Bool(enable_table_size_correctness_check, "false");
 DEFINE_Bool(force_regenerate_rowsetid_on_start_error, "false");
 DEFINE_mBool(enable_sleep_between_delete_cumu_compaction, "false");
 
-DEFINE_mInt32(compaction_num_per_round, "1");
+DEFINE_mInt32(compaction_num_per_round, "4");
 
 DEFINE_mInt32(check_tablet_delete_bitmap_interval_seconds, "300");
 DEFINE_mInt32(check_tablet_delete_bitmap_score_top_n, "10");