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From "Marcus Olsson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CASSANDRA-10070) Automatic repair scheduling
Date Fri, 28 Aug 2015 08:28:47 GMT

    [ https://issues.apache.org/jira/browse/CASSANDRA-10070?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14718206#comment-14718206
] 

Marcus Olsson commented on CASSANDRA-10070:
-------------------------------------------

As it is right now it would wait an hour after starting up(configurable) before starting to
schedule repairs. At that point the repair priority would be based on when it last ran a repair
and how often it can run (P = (H+1) * bP <- described above). So it should have the highest
priority if it was supposed to repair during the time it was down.

Right now there is no such option for that, so a manual repair would be required.

> Automatic repair scheduling
> ---------------------------
>
>                 Key: CASSANDRA-10070
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-10070
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>            Reporter: Marcus Olsson
>            Assignee: Marcus Olsson
>            Priority: Minor
>             Fix For: 3.x
>
>
> Scheduling and running repairs in a Cassandra cluster is most often a required task,
but this can both be hard for new users and it also requires a bit of manual configuration.
There are good tools out there that can be used to simplify things, but wouldn't this be a
good feature to have inside of Cassandra? To automatically schedule and run repairs, so that
when you start up your cluster it basically maintains itself in terms of normal anti-entropy,
with the possibility for manual configuration.



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