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https://issues.apache.org/jira/browse/CASSANDRA-10070?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15132680#comment-15132680
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Yuki Morishita commented on CASSANDRA-10070:
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[~molsson] Thanks for the write up. I have couple of questions:

* What would "lock resource" be like for repair scheduling? I think the value 
controls number of repair jobs running at given time in the whole cluster, and 
we don't want to run as many repair jobs at once.
* It seems the scheduling only makes sense for repairing primary range of the 
node ('nodetool -pr') since we end up repairing all nodes eventually. Are you 
considering other options like subrange ('nodetool -st -et') repair?

> Automatic repair scheduling
> ---------------------------
>
>                 Key: CASSANDRA-10070
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-10070
>             Project: Cassandra
>          Issue Type: Improvement
>            Reporter: Marcus Olsson
>            Assignee: Marcus Olsson
>            Priority: Minor
>             Fix For: 3.x
>
>         Attachments: Distributed Repair Scheduling.doc
>
>
> 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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