diff --git a/src/dnode/src/dnodeRead.c b/src/dnode/src/dnodeRead.c
index f13c18f22a91c9b9198dd43377a23ac4278963e0..252eb0b3b6a1c3387ceda4747ab75f593243728f 100644
--- a/src/dnode/src/dnodeRead.c
+++ b/src/dnode/src/dnodeRead.c
@@ -225,7 +225,7 @@ static void dnodeHandleIdleReadWorker(SReadWorker *pWorker) {
     dTrace("read worker:%d is released, total:%d", pWorker->workerId, readPool.num);
     pthread_exit(NULL);
   } else {
-    usleep(100);
+    usleep(30000);
     sched_yield();
   }
 }
diff --git a/src/dnode/src/dnodeWrite.c b/src/dnode/src/dnodeWrite.c
index 7eb4add831d39ac2c49f3cdb533590af37323803..ee61d9c8b360bcb796f6c94ce74cb9134b08e3de 100644
--- a/src/dnode/src/dnodeWrite.c
+++ b/src/dnode/src/dnodeWrite.c
@@ -227,7 +227,7 @@ static void dnodeHandleIdleWorker(SWriteWorker *pWorker) {
   int32_t num = taosGetQueueNumber(pWorker->qset);
 
   if (num > 0) {
-     usleep(1000);
+     usleep(30000);
      sched_yield(); 
   } else {
      taosFreeQall(pWorker->qall);