refactor(log): add some logs.

source/dnode/vnode/src/tq/tq.c

@@ -172,7 +172,7 @@ void tqNotifyClose(STQ* pTq) {
       int64_t st = taosGetTimestampMs();
       qKillTask(pTask->exec.pExecutor, TSDB_CODE_SUCCESS);
       int64_t el = taosGetTimestampMs() - st;
-      tqDebug("vgId:%d s-task:%s is closed in %" PRId64 "ms", pTq->pStreamMeta->vgId, pTask->id.idStr, el);
+      tqDebug("vgId:%d s-task:%s is closed in %" PRId64 " ms", pTq->pStreamMeta->vgId, pTask->id.idStr, el);
     }
 
     taosWUnLockLatch(&pTq->pStreamMeta->lock);

source/libs/stream/src/streamMeta.c

@@ -52,7 +52,7 @@ SStreamMeta* streamMetaOpen(const char* path, void* ahandle, FTaskExpand expandF
   }
 
   _hash_fn_t fp = taosGetDefaultHashFunction(TSDB_DATA_TYPE_INT);
-  pMeta->pTasks = taosHashInit(64, fp, true, HASH_ENTRY_LOCK);
+  pMeta->pTasks = taosHashInit(64, fp, true, HASH_NO_LOCK);
   if (pMeta->pTasks == NULL) {
     goto _err;
   }
@@ -215,6 +215,8 @@ void streamMetaReleaseTask(SStreamMeta* pMeta, SStreamTask* pTask) {
 }
 
 void streamMetaRemoveTask(SStreamMeta* pMeta, int32_t taskId) {
+  taosWLockLatch(&pMeta->lock);
+
   SStreamTask** ppTask = (SStreamTask**)taosHashGet(pMeta->pTasks, &taskId, sizeof(int32_t));
   if (ppTask) {
     SStreamTask* pTask = *ppTask;
@@ -222,11 +224,10 @@ void streamMetaRemoveTask(SStreamMeta* pMeta, int32_t taskId) {
     tdbTbDelete(pMeta->pTaskDb, &taskId, sizeof(int32_t), pMeta->txn);
 
     atomic_store_8(&pTask->status.taskStatus, TASK_STATUS__STOP);
-
-    taosWLockLatch(&pMeta->lock);
     streamMetaReleaseTask(pMeta, pTask);
-    taosWUnLockLatch(&pMeta->lock);
   }
+
+  taosWUnLockLatch(&pMeta->lock);
 }
 
 int32_t streamMetaBegin(SStreamMeta* pMeta) {