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https://issues.apache.org/jira/browse/SOLR-5476?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Noble Paul updated SOLR-5476:
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Summary: Overseer Role for nodes (was: Roles per node)
> Overseer Role for nodes
> -----------------------
>
> Key: SOLR-5476
> URL: https://issues.apache.org/jira/browse/SOLR-5476
> Project: Solr
> Issue Type: Sub-task
> Components: SolrCloud
> Reporter: Noble Paul
>
> In a very large cluster the OverSeer is likely to be overloaded.If the same
> node is a serving a few other shards it can lead to OverSeer getting slowed
> down due to GC pauses , or simply too much of work . If the cluster is
> really large , it is possible to dedicate high end h/w for OverSeers
> It works as a new collection admin command
> command=assignRole&whitelist=overseer&node=node1_name&node=node2_name
> If a node is whitelisted for overseer it gets preference over others when
> overseer election takes place. If no whitelisted servers are available
> another random node will be picked up
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