Add per-node search-cluster stats to the indexer adapter#26625
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patrickmann wants to merge 3 commits into
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Add per-node search-cluster stats to the indexer adapter#26625patrickmann wants to merge 3 commits into
patrickmann wants to merge 3 commits into
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Adds ClusterAdapter.nodesStats() which reads _nodes/stats/os,jvm in a single round-trip and exposes per-node os.cpu.percent and jvm.mem.heap_used_percent through a new NodeStats value object. Implemented across the OpenSearch 2/3 and Elasticsearch 7 adapters, with a Cluster.getNodesStats() facade. Supports the Enterprise System Overview search-cluster health reporters (Graylog2/graylog-plugin-enterprise#14661). Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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/nocl
Adds more node stats to support the search cluster health reporter. Implemented across the OpenSearch 2, OpenSearch 3, and Elasticsearch 7 adapters.
How Has This Been Tested?
Unit tests in each adapter (
ClusterAdapterOS2Test,ClusterAdapterOSTest,ClusterAdapterES7Test) parse recorded_nodes/stats/os,jvmJSON and assert per-node CPU and heap percent, plus a-1sentinel for absent fields.