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robfig/cron库有性能问题。 #62

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guonaihong opened this issue Nov 9, 2022 · 1 comment

guonaihong commented Nov 9, 2022

大名鼎鼎的cron库。https://github.com/robfig/cron 有性能问题，
感兴趣。可看下面的链接，在我的测试中，1w个任务。1s更新100个。cron有时候会把cpu占用到90%，而且是空调函数，还没有具体的业务逻辑，而且比较严重的是，一但更新就会有cpu突刺。

https://github.com/antlabs/cronex 这是对cron的改良。
https://github.com/guonaihong/crontest 这是测试代码

感谢作者有这么优秀的项目。为了避免引入robfig/cron 库，生产出现奇怪的cpu飙升，分享最近的压测结论。

Owner

darjun commented Nov 10, 2022

感性分享👍

darjun pinned this issue

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