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Posted to commits@cassandra.apache.org by "C. Scott Andreas (JIRA)" <ji...@apache.org> on 2018/11/19 06:00:00 UTC

[jira] [Updated] (CASSANDRA-7955) Range movements can violate consistency if RING_DELAY <= write_request_timeout_in_ms

     [ https://issues.apache.org/jira/browse/CASSANDRA-7955?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

C. Scott Andreas updated CASSANDRA-7955:
----------------------------------------
    Component/s: Coordination

> Range movements can violate consistency if RING_DELAY <= write_request_timeout_in_ms
> ------------------------------------------------------------------------------------
>
>                 Key: CASSANDRA-7955
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-7955
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Coordination
>            Reporter: Benedict
>            Priority: Minor
>
> Cassandra should probably refuse to start if RING_DELAY is too close to (or below) write_request_timeout_ms, because we depend on this for correctness/consistency during range movements
> We should probably also consider throwing a WriteTimeoutException _even if we don't get interrupted by the timeout, since there are reasons due to scheduling or system overload this could not happen (though it is unlikely to be significant enough to have an impact, it's better safe than sorry)



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