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Why setting minWatchTimeout to only 5min #1341

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liuyuan10 opened this issue Mar 30, 2024 · 0 comments
Open

Why setting minWatchTimeout to only 5min #1341

liuyuan10 opened this issue Mar 30, 2024 · 0 comments

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@liuyuan10
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liuyuan10 commented Mar 30, 2024 •
edited

client-go sets minWatchTimeout to only 5min by default. Every watch will be terminated and reinitiated every 7.5min on average. This can translate to large WATCH QPS to API server on a large scale cluster with per node watch. For example, in a 10k cluster, it's constant 22 QPS even there is no event at all.

It's configurable through list options but I wonder is there downside to set it large?
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