add debug log

source/libs/transport/src/transCli.c

@@ -588,6 +588,7 @@ static int32_t specifyConnRef(SCliConn* conn, bool update, int64_t handle) {
 static void cliAllocRecvBufferCb(uv_handle_t* handle, size_t suggested_size, uv_buf_t* buf) {
   SCliConn*    conn = handle->data;
   SConnBuffer* pBuf = &conn->readBuf;
+  tDebug("%s conn %p alloc read buf", CONN_GET_INST_LABEL(conn), conn);
   transAllocBuffer(pBuf, buf);
 }
 static void cliRecvCb(uv_stream_t* handle, ssize_t nread, const uv_buf_t* buf) {
@@ -600,7 +601,7 @@ static void cliRecvCb(uv_stream_t* handle, ssize_t nread, const uv_buf_t* buf) {
   if (nread > 0) {
     pBuf->len += nread;
     while (transReadComplete(pBuf)) {
-      tTrace("%s conn %p read complete", CONN_GET_INST_LABEL(conn), conn);
+      tDebug("%s conn %p read complete", CONN_GET_INST_LABEL(conn), conn);
       if (pBuf->invalid) {
         cliHandleExcept(conn);
         break;

source/libs/transport/src/transSvr.c

@@ -326,7 +326,10 @@ void uvOnSendCb(uv_write_t* req, int status) {
   if (status == 0) {
     tTrace("conn %p data already was written on stream", conn);
     if (!transQueueEmpty(&conn->srvMsgs)) {
-      SSvrMsg* msg = transQueuePop(&conn->srvMsgs);
+      SSvrMsg*  msg = transQueuePop(&conn->srvMsgs);
+      STraceId* trace = &msg->msg.info.traceId;
+      tGDebug("conn %p write data out", conn);
+
       destroySmsg(msg);
       // send cached data
       if (!transQueueEmpty(&conn->srvMsgs)) {