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https://issues.apache.org/jira/browse/SOLR-14371?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jan Høydahl reassigned SOLR-14371:
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Assignee: Jan Høydahl
> Zk StatusHandler should know about dynamic zk config
> ----------------------------------------------------
>
> Key: SOLR-14371
> URL: https://issues.apache.org/jira/browse/SOLR-14371
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Jan Høydahl
> Assignee: Jan Høydahl
> Priority: Major
>
> With zk 3.5 it supports dynamic reconfig, which is used by the solr-operator
> for Kubernetes. Then Solr is given a zkHost of one url pointing to a LB
> (Service) in front of all zookeepers, and the zkclient will then fetch list
> of all zookeepers from special zknode /zookeeper/config and reconfigure
> itself with connection to all zk nodes listed. So you can then scale up/down
> number of zk nodes dynamically without restarting solr.
> However, the Admin UI displays errors since it believes it is connected to
> only one zk, which is contradictory to what zk itself reports. We need to
> make ZookeeperStatusHandler aware of dynamic reconfig so it asks zkclient
> what current zkHost is instead of relying on Zk_HOST static setting.
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