ClickHouse TTL: Merge-Driven Retention, Not a Cron Job
TTL in ClickHouse is evaluated per-part during background merges, not by a cron job. Learn how to compile a 30-day drop policy, verify with system.ttl, and avoid common pitfalls.
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TTL in ClickHouse is evaluated per-part during background merges, not by a cron job. Learn how to compile a 30-day drop policy, verify with system.ttl, and avoid common pitfalls.
Learn how to set up a ClickHouse TTL expression, verify part expiration, and avoid common pitfalls when automating time‑series data expiration.