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https://issues.apache.org/jira/browse/SOLR-14389?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ween Jiann updated SOLR-14389:
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Comment: was deleted
(was: Related SOLR-13801)
> Support dynamic reconfiguration of Zookeeper ensemble
> -----------------------------------------------------
>
> Key: SOLR-14389
> URL: https://issues.apache.org/jira/browse/SOLR-14389
> Project: Solr
> Issue Type: Improvement
> Components: SolrCloud
> Reporter: Jan Høydahl
> Priority: Major
>
> Spinoff from SOLR-14371.
> Zookeeper has got support for dynamic reconfiguration since v3.5 (See
> https://zookeeper.apache.org/doc/r3.6.0/zookeeperReconfig.html). But users
> need to actively start using it. Currently Solr treats the {{ZK_HOST}} var /
> {{-DzkHost}} sysprop as a static truth, and will only ever attempt to connect
> to the hosts originally included in the connection string.
> This issue aims to implement "Rebalancing Client Connections" as described in
> last paragrah in above link. This will let sys admins extend or change their
> ensemble, and Solr nodes will update and re-balance, as long as at least one
> of the zk hosts are still in the static {{ZK_HOST}} list.
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