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too many lock contention in memory quota #8185

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hicqu opened this issue Feb 7, 2023 · 0 comments · Fixed by #8179
Closed

too many lock contention in memory quota #8185

hicqu opened this issue Feb 7, 2023 · 0 comments · Fixed by #8179
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affects-6.5 area/ticdc Issues or PRs related to TiCDC. severity/minor type/bug The issue is confirmed as a bug.

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@hicqu
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hicqu commented Feb 7, 2023 •
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What did you do?

Create a changefeed, and run tpcc prepare with warehouse=200 on the upstream.

What did you expect to see?

No response

What did you see instead?

Lots of lock contentions:
图片

Versions of the cluster

master branch.
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affects-6.5 area/ticdc Issues or PRs related to TiCDC. severity/minor type/bug The issue is confirmed as a bug.
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*(ticdc): fix some major problems about pull-based-sink hicqu/ticdc
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@hicqu