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https://issues.apache.org/jira/browse/RATIS-1922?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tsz-wo Sze updated RATIS-1922:
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Summary: Detect client retries from a long time ago (was: Detect client
retries from long time ago)
> Detect client retries from a long time ago
> ------------------------------------------
>
> Key: RATIS-1922
> URL: https://issues.apache.org/jira/browse/RATIS-1922
> Project: Ratis
> Issue Type: Improvement
> Components: client, server
> Reporter: Tsz-wo Sze
> Assignee: Tsz-wo Sze
> Priority: Major
>
> A (faulty) client may send retries for requests sent long time ago. We should
> detect such retries and ignore them.
> This is a problem in a virtual machine environment: When a client is sending
> retry requests, the vm of the client could be stopped in the middle.
> However, the servers keep running and the retry cache entries may expire.
> Then, when the client vm wakes up a few weeks later, the client will still
> send the retries for the requests sent a few weeks ago and the servers will
> treat these retries as new requests.
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