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https://issues.apache.org/jira/browse/SOLR-7767?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17194536#comment-17194536
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Jan Høydahl commented on SOLR-7767:
-----------------------------------
You can choose to configure ZK with the old TCP socked based communication, as
we have always used. In that case, 4LW is served on the same port, and that is
what Solr currently supports (this issue).
Until recent Solr versions it has been hard to use Zookeeper's SSL
communication, which is a completely new implementation and configuration on
the server side that needs the Java client to configure SSL. Solr has only
recently added the netty client libs necessary for ZK Java Client to connect
with SSL. This is not yet documented very well in RefGuide.
However, the ZK team has not exposed any monitoning on this new SSL port.
Intead they have developed a new AdminServer which must be served on a
different port, again, with some extra server-side config. This is not yet
supported in Solr, see SOLR-13502 if you want to contribute to such support. We
could probably extend the ZKStatusHandler to be able to talk to the Zk
AdminServer, but if the APIs are radically different perhaps a whole new status
screen is needed, have not checked.
> Zookeeper Ensemble Admin UI
> ---------------------------
>
> Key: SOLR-7767
> URL: https://issues.apache.org/jira/browse/SOLR-7767
> Project: Solr
> Issue Type: New Feature
> Components: Admin UI, SolrCloud
> Reporter: Aniket Khare
> Assignee: Jan Høydahl
> Priority: Major
> Fix For: 7.5, 8.0
>
> Attachments: zk-status-error.png, zk-status-new.png, zk-status-tab.png
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> For SolrCloud mode can we have the functionality to display the live nodes
> from the zookeeper ensemble. So that user can easily get to know if any of
> zookeeper instance is down or having any other issue.
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