使用mydumper备份数据库时报错

[云浅笑1983]

使用mydumper备份数据库时报错，信息如下：
** (mydumper:7299): CRITICAL **: 16:46:42.020: Error dumping schemas (sbtest.sbtest5): MySQL server has gone away

** (mydumper:7299): CRITICAL **: 16:46:42.020: Error dumping schemas (sbtest.sbtest6): MySQL server has gone away

** (mydumper:7299): CRITICAL **: 16:46:42.020: Error dumping schemas (sbtest.sbtest7): MySQL server has gone away

** (mydumper:7299): CRITICAL **: 16:46:42.020: Error dumping schemas (sbtest.sbtest8): MySQL server has gone away
请问该如何解决？

[小王同学]

备份的数据库是 TiDB 么？ 如果是，检查是否发生 OOM
另外，推荐使用 dumpling 进行备份。
https://docs.pingcap.com/zh/tidb/stable/dumpling-overview