方丈的寺院



方丈的寺院

  1. 在A家公司内部已经经过验证,不适合数据存储,已被内部选用淘汰。

  2. 从监控日志中,看到晚上有段时间mongo 一直read timeout。 经过我的排查,这段时间mongo server有大量的写,虽然cpu占比只有60%,但是secondary node read都失败,这段时间有global lock,联系阿里云的工程师后无法找到原因,只知道让升级配置,也就是交钱。

  3. mysql在国内各大互联网公司普遍使用,已是成熟方案,各种轮子一大堆。

  4. 公司有专人运维mysql,而没有人运维mongo,作为业务团队,不可能有精力去维护。


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