mysqldump: Error 2020: Got packet bigger than ‘max_allowed_packet’ bytes when dumping table `PLUGINDATA` at row: 5
在使用mysqldump备份数据时报出：
mysqldump: Error 2020: Got packet bigger than 'max_allowed_packet' bytes when dumping table `PLUGINDATA` at row: 5
解决办法：
在/etc/my.cnf 配置文件中，将max_allowed_packet的值加大，然后重启mysql服务。
[mysqldump]
quick
max_allowed_packet = 100M
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