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From "Ryan Ernst (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-5991) SolrCloud: Add API to move leader off a Solr instance
Date Thu, 17 Apr 2014 21:29:22 GMT

    [ https://issues.apache.org/jira/browse/SOLR-5991?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13973436#comment-13973436
] 

Ryan Ernst commented on SOLR-5991:
----------------------------------

If you think that can work, sure.  I was just explaining what I think the use case is more.

> SolrCloud: Add API to move leader off a Solr instance
> -----------------------------------------------------
>
>                 Key: SOLR-5991
>                 URL: https://issues.apache.org/jira/browse/SOLR-5991
>             Project: Solr
>          Issue Type: Bug
>          Components: SolrCloud
>    Affects Versions: 4.7.1
>            Reporter: Rich Mayfield
>
> Common maintenance chores require restarting Solr instances.
> The process of a shutdown becomes a whole lot more reliable if we can proactively move
any leadership roles off of the Solr instance we are going to shut down. The leadership election
process then runs immediately.
> I am not sure what the semantics should be (either accomplishes the goal but one of these
might be best):
> * A call to tell a core to give up leadership (thus the next replica is chosen)
> * A call to specify which core should become the leader



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