小编use*_*421的帖子

在 Ubuntu 20.04 上运行 DigitalOcean LAMP Stack (1GB VPS) 时，我在上传媒体文件时在 Wordpress 中遇到间歇性的“建立数据库连接错误”错误。这引发了以下 Apache 错误：

WordPress database error MySQL server has gone away for query...

发生此问题时，MySQL 日志重复打印以下内容，此后不再打印其他内容：

    2020-12-19T12:14:43.708558Z 0 [System] [MY-013602] [Server] Channel mysql_main configured to support TLS. Encrypted connections are now supported for this channel.\n    2020-12-19T12:14:43.992793Z 0 [System] [MY-010931] [Server] /usr/sbin/mysqld: ready for connections. Version: \'8.0.22-0ubuntu0.20.04.3\'  socket: \'/var/run/mysqld/mysqld.sock\'  port: 3306  (Ubuntu).\n    2020-12-19T12:14:59.498001Z 0 [System] [MY-010116] [Server] /usr/sbin/mysqld (mysqld 8.0.22-0ubuntu0.20.04.3) starting as process 190645\n    2020-12-19T12:14:59.512933Z 1 [System] [MY-013576] …