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Elasticsearch Cluster Health API

2 posts · Mar 2023 – Jul 2023

What this trail covers

The Elasticsearch Health API provides a comprehensive diagnosis of cluster health, going beyond basic shard status to perform root cause analysis for unhealthy indices and data streams. It introduces modular health indicators for various components like master stability, repository integrity, shard availability, disk space, Index Lifecycle Management (ILM), and Snapshot Lifecycle Management (SLM). The API offers both a high-level status and detailed reporting with actionable resolution steps.

All Elastic trails
  1. Elastic Stack 8.9: Faster aggregations and cross-cluster searchesIntroduced new rules to the ILM Health Indicator within the Health Report API to detect when ILM policies are stuck in specific steps for extended periods or have exceeded retry thresholds. This enhancement aims to provide earlier detection of potential performance and stability issues related to ILM, with configurable time and retry thresholds. The indicator will also be visible in the Elastic Cloud Deployments console.
  2. In search of a cluster health diagnosis: Introducing the Elasticsearch Health APIIntroduces the new Elasticsearch Health API, which performs root cause analysis for unhealthy indices and data streams. It includes modular health indicators for master stability, repository integrity, shard availability, disk space, ILM, and SLM. The API supports verbose and non-verbose modes for detailed reporting or high-level status checks, respectively, and provides actionable resolution steps.