[jira] [Updated] (SOLR-18438) Unify retrieving "live node" information in Solr Admin to a single API

["ASF GitHub Bot (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SOLR-18438?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ASF GitHub Bot updated SOLR-18438:
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    Labels: pull-request-available  (was: )

> Unify retrieving "live node" information in Solr Admin to a single API
> ----------------------------------------------------------------------
>
>                 Key: SOLR-18438
>                 URL: https://issues.apache.org/jira/browse/SOLR-18438
>             Project: Solr
>          Issue Type: Improvement
>          Components: Admin UI, v2 API
>    Affects Versions: 10.0
>            Reporter: Eric Pugh
>            Priority: Major
>              Labels: pull-request-available
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> Admin UI get's live node data via two different mechanims:
>  * Collections.status() → GET /api/cluster → reads .cluster.live_nodes, a plain JSON array — used by the main "Nodes" table view.
> - Zookeeper.liveNodes → GET admin/zookeeper?path=/live_nodes — a generic ZK-tree-browsing endpoint, returning a jstree-style node structure (data.tree[0].children[c].text) that initGraph() manually walks to build a live_nodes[name] = true lookup map — used by a separate "graph" visualization mode.
> One more thing that we found is that the liveNodes is driven directly off of clusterstate.json, and that specific file may be deprecated or not used?   
>  
> /api/cluster/nodes is the V2 openapi that we SHOULD be using.



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