diff --git a/source/common/src/tglobal.c b/source/common/src/tglobal.c
index 6ad592751a..f06eeb230f 100644
--- a/source/common/src/tglobal.c
+++ b/source/common/src/tglobal.c
@@ -55,7 +55,7 @@ int32_t tsNumOfMnodeQueryThreads = 4;
 int32_t tsNumOfMnodeFetchThreads = 1;
 int32_t tsNumOfMnodeReadThreads = 1;
 int32_t tsNumOfVnodeQueryThreads = 4;
-float   tsRatioOfVnodeStreamThreads = 2.0;
+float   tsRatioOfVnodeStreamThreads = 4.0;
 int32_t tsNumOfVnodeFetchThreads = 4;
 int32_t tsNumOfVnodeRsmaThreads = 2;
 int32_t tsNumOfQnodeQueryThreads = 4;