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https://issues.apache.org/jira/browse/SOLR-12692?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16589887#comment-16589887
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Jan Høydahl commented on SOLR-12692:
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All good suggestions. I don't know if you played around with the other
warnings, but you can test e.g. by specifying only two of the zk's in {{-z}}
when starting Solr - you will then see complaints about quorum size, mismatches
etc. Guess you could extend those checks to also look at other values as you
suggest.
> Add hints/warnings for the ZK Status Admin UI
> ---------------------------------------------
>
> Key: SOLR-12692
> URL: https://issues.apache.org/jira/browse/SOLR-12692
> Project: Solr
> Issue Type: Improvement
> Security Level: Public(Default Security Level. Issues are Public)
> Components: Admin UI
> Reporter: Varun Thacker
> Priority: Minor
> Attachments: zk_ensemble.png
>
>
> Firstly I love the new UI pages ( ZK Status and Nodes ) . Thanks [~janhoy]
> for all the great work!
> I setup a 3 node ZK ensemble to play around with the UI and attaching the
> screenshot for reference.
>
> Here are a few suggestions I had
> # Let’s show Approximate Size in human readable form. We can use
> RamUsageEstimator#humanReadableUnits to calculate it
> # Show warning symbol when Ensemble is standalone
> # If maxSessionTimeout < Solr's ZK_CLIENT_TIMEOUT then ZK will only honor
> up-to the maxSessionTimeout value for the Solr->ZK connection. We could mark
> that as a warning.
> # If maxClientCnxns < live_nodes show this as a red? Each solr node connects
> to all zk nodes so if the number of nodes in the cluster is high one should
> also be increasing maxClientCnxns
>
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