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https://issues.apache.org/jira/browse/CASSANDRA-13975?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aleksey Yeschenko updated CASSANDRA-13975:
------------------------------------------
       Resolution: Fixed
    Fix Version/s:     (was: 3.11.x)
                       (was: 3.0.x)
                   3.11.2
                   3.0.16
           Status: Resolved  (was: Ready to Commit)

> Add a workaround for overly large read repair mutations
> -------------------------------------------------------
>
>                 Key: CASSANDRA-13975
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-13975
>             Project: Cassandra
>          Issue Type: Bug
>          Components: Coordination
>            Reporter: Aleksey Yeschenko
>            Assignee: Aleksey Yeschenko
>             Fix For: 3.0.16, 3.11.2
>
>
> It's currently possible for {{DataResolver}} to accumulate more changes to 
> read repair that would fit in a single serialized mutation. If that happens, 
> the node receiving the mutation would fail, and the read would time out, and 
> won't be able to proceed until the operator runs repair or manually drops the 
> affected partitions.
> Ideally we should either read repair iteratively, or at least split the 
> resulting mutation into smaller chunks in the end. In the meantime, for 
> 3.0.x, I suggest we add logging to catch this, and a -D flag to allow 
> proceeding with the requests as is when the mutation is too large, without 
> read repair.



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