November 4, 2025
How Elasticsearch master elections and quorum work, with practical guidance for avoiding split-brain and unsafe bootstrap settings.
Keep Logstash, Elasticsearch, and Kibana aligned with matching pipelines, mappings, index names, TLS, and data views.
Establish a reliable Elasticsearch daily backup strategy using this comprehensive guide. Learn how to configure durable repositories, automate routine snapshots with Snapshot Lifecycle Management (SLM), and leverage Index Lifecycle Management (ILM) for long-term archiving. This article details best practices for security, performance throttling, and the crucial steps for regular restoration testing, ensuring your data is protected and recoverable under any circumstance.
Learn to troubleshoot and resolve common Elasticsearch shard allocation failures. This guide covers identifying unassigned shards, diagnosing issues like disk space errors, node unavailability, and allocation filtering, and provides actionable solutions and best practices for maintaining a healthy Elasticsearch cluster.
Master the art of scaling your Elasticsearch cluster for exponential growth. This guide details crucial strategies for both horizontal (scaling out) and vertical (scaling up) expansion. Learn how to optimize node roles, calculate ideal shard allocation for performance, and implement best practices for maintaining high availability and handling increased query and indexing loads effectively.