### Issue description Now the log sender batch store the data in memory , we can not know how many logs or spans is send, so I think we can add some metric to monitor it. ### Environment * apisix version (cmd: `apisix version`): * OS:
Issue description
Now the log sender batch store the data in memory , we can not know how many logs or spans is send, so I think we can add some metric to monitor it.
Environment
apisix version):