enh: adjust log while transfer snapshot

source/dnode/vnode/src/meta/metaSnapshot.c

@@ -113,7 +113,7 @@ int32_t metaSnapRead(SMetaSnapReader* pReader, uint8_t** ppData) {
   pHdr->size = nData;
   memcpy(pHdr->data, pData, nData);
 
-  metaInfo("vgId:%d, vnode snapshot meta read data, version:%" PRId64 " uid:%" PRId64 " nData:%d",
+  metaDebug("vgId:%d, vnode snapshot meta read data, version:%" PRId64 " uid:%" PRId64 " blockLen:%d",
             TD_VID(pReader->pMeta->pVnode), key.version, key.uid, nData);
 
 _exit:

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

@@ -257,7 +257,7 @@ _exit:
     pReader->index++;
     *nData = sizeof(SSnapDataHdr) + pHdr->size;
     pHdr->index = pReader->index;
-    vInfo("vgId:%d, vnode snapshot read data,index:%" PRId64 " type:%d nData:%d ", TD_VID(pReader->pVnode),
+    vDebug("vgId:%d, vnode snapshot read data, index:%" PRId64 " type:%d blockLen:%d ", TD_VID(pReader->pVnode),
            pReader->index, pHdr->type, *nData);
   } else {
     vInfo("vgId:%d, vnode snapshot read data end, index:%" PRId64, TD_VID(pReader->pVnode), pReader->index);