[jira] [Updated] (SOLR-5991) SolrCloud: Add API to move leader off a Solr instance

["Cassandra Targett (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SOLR-5991?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Cassandra Targett updated SOLR-5991:
------------------------------------
    Issue Type: New Feature  (was: Bug)

> 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: New Feature
>          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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