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The goroutine count surge when region miss or TiKV server is busy #15995

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tiancaiamao opened this issue Apr 2, 2020 · 0 comments · Fixed by #16849
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The goroutine count surge when region miss or TiKV server is busy #15995

tiancaiamao opened this issue Apr 2, 2020 · 0 comments · Fixed by #16849
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@lysu
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type/enhancement The issue or PR belongs to an enhancement.

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@tiancaiamao
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When I am testing the large transaction, I find a suspicious issue.

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The goroutine count surge when region miss or TiKV server is busy

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So many goroutines would make the system slow, for example, it has a bad impact on runtime scheduler and we can see the TSO is affected.

tikv/pd#1847

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The proof of the goroutines:

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@tiancaiamao tiancaiamao added the type/enhancement The issue or PR belongs to an enhancement. label Apr 2, 2020
@tiancaiamao tiancaiamao self-assigned this Apr 2, 2020
@lysu lysu assigned lysu and unassigned tiancaiamao Apr 3, 2020
@lysu lysu mentioned this issue Apr 3, 2020
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@lysu lysu linked a pull request Apr 3, 2020 that will close this issue
tikv: fix infinitely rebirthed secondary keys commit retry goroutine during tikv error #16061
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@lysu lysu mentioned this issue Apr 27, 2020
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@sre-bot sre-bot mentioned this issue Apr 28, 2020
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@lysu @tiancaiamao