Eric Pugh created SOLR-18438:
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Summary: 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
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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