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post/go-training-week5-singleflight #262

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utterances-bot opened this issue Jul 7, 2021 · 3 comments
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post/go-training-week5-singleflight #262

utterances-bot opened this issue Jul 7, 2021 · 3 comments
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@utterances-bot
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Go并发编程(十二) Singleflight - Mohuishou

mohuishou 的 技术博客, 关注云原生, Go, K8s, Docker, 微服务等技术

https://lailin.xyz/post/go-training-week5-singleflight.html
@wpliang utterances
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wpliang commented Jul 7, 2021

用双重 defer 来避免死锁， 不是特别理解，能解释下吗

@mohuishou
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用双重 defer 来避免死锁， 不是特别理解，能解释下吗

如果只有一个 defer 不区分传入的 fn panic 和 runtime panic 是可能出现死锁的，例子和相关讨论可以看这个 issue

golang/go#33519

@FlightSong utterances
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singleflight只适用于缓存击穿

@mohuishou mohuishou added the blog label Sep 11, 2022
Repository owner locked and limited conversation to collaborators Sep 11, 2022
@mohuishou mohuishou converted this issue into discussion #550 Sep 11, 2022

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