diff --git a/regression-test/pipeline/p0/conf/be.conf b/regression-test/pipeline/p0/conf/be.conf
index 4968f7857e..484310cc60 100644
--- a/regression-test/pipeline/p0/conf/be.conf
+++ b/regression-test/pipeline/p0/conf/be.conf
@@ -67,3 +67,4 @@ storage_root_path=/mnt/ssd01/cluster_storage/doris.SSD/P0/cluster1
 disable_auto_compaction=true
 tablet_map_shard_size=4
 priority_networks=172.19.0.0/24
+fragment_pool_thread_num_max=5000
diff --git a/regression-test/pipeline/p1/conf/be.conf b/regression-test/pipeline/p1/conf/be.conf
index 068378276b..b06abb2e79 100644
--- a/regression-test/pipeline/p1/conf/be.conf
+++ b/regression-test/pipeline/p1/conf/be.conf
@@ -65,3 +65,4 @@ priority_networks=172.19.0.0/24
 
 disable_auto_compaction=true
 tablet_map_shard_size=4
+fragment_pool_thread_num_max=5000