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large range request triggered OOM #12678

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wilsonwang371 opened this issue Feb 9, 2021 · 1 comment

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wilsonwang371 commented Feb 9, 2021

in our cluster with a large number of pods. range request getting all the pods can trigger etcd node OOM.

Do we have a plan to add another RPC call to provide range() response as a stream instead of the whole data in one shot?

Contributor

ptabor commented Feb 9, 2021

Yxjetcd rangestream #12343 seems like some experiment / proposal around this.
Clients can simulating 'streaming' by paginating (requests with "limit" set to e.g. 10k)
There is no decision / committed plan.

wilsonwang371 closed this as completed

zyfo2 mentioned this issue

Expensive range request memory usage optimization to reduce OOM #13458

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