======== 故障错误记录 ========

===== JavaEE相关故障 =====

[[bugs:javaee:2019011601|2019011601-CentOS自动清理临时文件夹导致的文件无法上传]]


===== 数据库相关问题 =====

[[bugs:db:2018092901|2018092901-一次left join导致的性能问题]]