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From "Jonathan Ellis (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (CASSANDRA-2106) Warn or fail when read repair is disabled with the dynamic snitch
Date Thu, 14 Apr 2011 18:54:06 GMT

     [ https://issues.apache.org/jira/browse/CASSANDRA-2106?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jonathan Ellis resolved CASSANDRA-2106.
---------------------------------------

    Resolution: Fixed
      Assignee: Jonathan Ellis

I can't think of a good way to pick a threshold that won't generate false positives for at
least some use cases. Added warning to the cli documentation instead in r1092440.

> Warn or fail when read repair is disabled with the dynamic snitch
> -----------------------------------------------------------------
>
>                 Key: CASSANDRA-2106
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2106
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Stu Hood
>            Assignee: Jonathan Ellis
>            Priority: Minor
>              Labels: des
>             Fix For: 0.8
>
>
> When read repair is completely disabled, the dynamic snitch will never adjust.
> Options:
> # Explicitly disallow running with RR==0 + des
> # Implicitly enable RR at some low fraction when des is in use
> # Log warnings

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