Merge pull request #15744 from taosdata/feature/TD-11274-3.0

enh: memory optimization

source/common/src/tmsg.c

@@ -4908,7 +4908,6 @@ int32_t tDecodeSRSmaParam(SDecoder *pCoder, SRSmaParam *pRSmaParam) {
     if (tDecodeI64v(pCoder, &pRSmaParam->watermark[i]) < 0) return -1;
     if (tDecodeI32v(pCoder, &pRSmaParam->qmsgLen[i]) < 0) return -1;
     if (pRSmaParam->qmsgLen[i] > 0) {
-      tDecoderMalloc(pCoder, pRSmaParam->qmsgLen[i]);
       if (tDecodeBinary(pCoder, (uint8_t **)&pRSmaParam->qmsg[i], NULL) < 0) return -1;  // qmsgLen contains len of '\0'
     } else {
       pRSmaParam->qmsg[i] = NULL;

source/dnode/vnode/src/vnd/vnodeSvr.c

@@ -437,14 +437,10 @@ static int32_t vnodeProcessCreateStbReq(SVnode *pVnode, int64_t version, void *p
     goto _err;
   }
 
-  // taosMemoryFree(req.schemaRow.pSchema);
-  // taosMemoryFree(req.schemaTag.pSchema);
   tDecoderClear(&coder);
   return 0;
 
 _err:
-  taosMemoryFree(req.schemaRow.pSchema);
-  taosMemoryFree(req.schemaTag.pSchema);
   tDecoderClear(&coder);
   return -1;
 }