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CodingCattwo avatar CodingCattwo commented on September 13, 2024

可以确认一下是否以下原因之一：

  • .cnf的设置不当：mysqld里面控制的是服务端，mysql里面控制的是客户端，如果只设置一处，则当有客户端连接的时候，该值会被重置
  • 内存不足：当mysql执行大批次查询语句大时候，因为服务器内存不足，引起预警，mysql会重置这个值，已保证数据库的稳定。
  • 黑客攻击

from webase.

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