sigram commented on a change in pull request #2040:
URL: https://github.com/apache/lucene-solr/pull/2040#discussion_r535413902
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File path: solr/core/src/java/org/apache/solr/cloud/Overseer.java
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@@ -185,6 +190,9 @@ public ClusterStateUpdater(final ZkStateReader reader,
final String myId, Stats
this.completedMap = getCompletedMap(zkClient);
this.myId = myId;
this.reader = reader;
+
+ registryName =
SolrMetricManager.getRegistryName(SolrInfoBean.Group.overseer);
+ metricManager.registerGauge(null, registryName, () ->
stateUpdateQueue.getZkStats().getQueueLength(), "overseer", true,
"stateUpdateQueueSize", "queue");
Review comment:
@megancarey unfortunately, there's not much documentation apart from the
javadocs and user-level info in the RefGuide. We should create a doc in
solr/dev-docs/metrics.
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