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MySQL偶尔的卡顿
2022-04-22 05:33:00 【commonBean】
redo log的write pos是指写的位置，checkpoint之前表示擦除完了的。当write pos和checkpoint相遇的时候表示redo log已经写满了。
这个时候数据库会停止进行更新语句的执行，转而进行redo log日志同步到磁盘中。此时数据库更新请求就会卡顿。
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https://blog.csdn.net/u011357213/article/details/117195927
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