Merge pull request #2264 from taosdata/hotfix/queue

release local resources only after all messages are consumed

src/vnode/src/vnodeMain.c

@@ -321,6 +321,22 @@ void vnodeRelease(void *pVnodeRaw) {
     return;
   }
 
+  if (pVnode->tsdb)
+    tsdbCloseRepo(pVnode->tsdb, 1);
+  pVnode->tsdb = NULL;
+
+  if (pVnode->wal) 
+    walClose(pVnode->wal);
+  pVnode->wal = NULL;
+
+  if (pVnode->wqueue) 
+    dnodeFreeVnodeWqueue(pVnode->wqueue);
+  pVnode->wqueue = NULL;
+
+  if (pVnode->rqueue) 
+    dnodeFreeVnodeRqueue(pVnode->rqueue);
+  pVnode->rqueue = NULL;
+ 
   tfree(pVnode->rootDir);
 
   if (pVnode->status == TAOS_VN_STATUS_DELETING) {
@@ -411,33 +427,21 @@ void vnodeBuildStatusMsg(void *param) {
 }
 
 static void vnodeCleanUp(SVnodeObj *pVnode) {
+  // remove from hash, so new messages wont be consumed
   taosHashRemove(tsDnodeVnodesHash, (const char *)&pVnode->vgId, sizeof(int32_t));
 
+  // stop replication module
   if (pVnode->sync) {
     syncStop(pVnode->sync);
     pVnode->sync = NULL;
   }
 
-  if (pVnode->tsdb)
-    tsdbCloseRepo(pVnode->tsdb, 1);
-  pVnode->tsdb = NULL;
-
-  if (pVnode->wal) 
-    walClose(pVnode->wal);
-  pVnode->wal = NULL;
-
+  // stop continuous query
   if (pVnode->cq) 
     cqClose(pVnode->cq);
   pVnode->cq = NULL;
 
-  if (pVnode->wqueue) 
-    dnodeFreeVnodeWqueue(pVnode->wqueue);
-  pVnode->wqueue = NULL;
-
-  if (pVnode->rqueue) 
-    dnodeFreeVnodeRqueue(pVnode->rqueue);
-  pVnode->rqueue = NULL;
- 
+  // release local resources only after cutting off outside connections
   vnodeRelease(pVnode);
 }