https://www.pistack.xyz/tags/ilm/ Recent content in Ilm on Pi Stack Hugo en-us Wed, 06 May 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-05-06-self-hosted-log-retention-lifecycle-management-elasticsearch-ilm-loki-opensearch-ism/ Wed, 06 May 2026 00:00:00 +0000 https://www.pistack.xyz/posts/2026-05-06-self-hosted-log-retention-lifecycle-management-elasticsearch-ilm-loki-opensearch-ism/ <p>Managing log retention is one of the most critical operational challenges for any self-hosted observability stack. Without proper lifecycle management, log indices grow unbounded, storage costs explode, and query performance degrades. Index Lifecycle Management (ILM), retention policies, and Index State Management (ISM) are the mechanisms that automate the movement, sizing, and deletion of log data across its useful lifetime.</p>