[td-1804]

src/client/src/tscServer.c

@@ -207,6 +207,7 @@ void tscProcessActivityTimer(void *handle, void *tmrId) {
 
   assert(*pHB->self == pHB);
 
+  pHB->retry = 0;  // reset retry counter
   int32_t code = tscProcessSql(pHB);
   taosCacheRelease(tscObjCache, (void**) &p, false);
 

src/util/src/tcache.c

@@ -335,7 +335,7 @@ void *taosCacheTransfer(SCacheObj *pCacheObj, void **data) {
 }
 
 void taosCacheRelease(SCacheObj *pCacheObj, void **data, bool _remove) {
-  if (pCacheObj == NULL || taosHashGetSize(pCacheObj->pHashTable) + pCacheObj->numOfElemsInTrash == 0) {
+  if (pCacheObj == NULL) {
     return;
   }