java.lang.ClassNotFoundException: com.mysql.jdbc.Driverat org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1415)at org.apache.catalina.loader.WebappClassLoaderBas....

文章 2022-02-16 来自：开发者社区

【MySQL】磁盘写满之后，数据库show status受到阻塞的原因

编辑手记：前两天同事讨论到一个问题，当mysql从库磁盘满之后，show status及show slave status会被卡住，但其他select操作不受影响，但如果数据库是主库，磁盘满了之后，只有dml会被阻塞，select及show是不会受影响的。于是一群人讨论了一会，最后决定，SMC，以下就是我的结论。 1..以下所有讨论都基于mysql 5.5.37版本及官方文档，不保证适用于其他.....

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