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altinity-expert-clickhouse-logs

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Mis à jour1 juin 2026 à 07:48

Analyze ClickHouse system log table health including TTL configuration, disk usage, freshness, and cleanup. Use for system log issues and TTL configuration.

Installation

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Source

Altinity

Altinity/altinity-skills

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Métiers associésSOC

Basé sur la classification professionnelle SOC

Développeurs de logicielsProfessions informatiques et mathématiques·SOC 15-1252

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2 fichiers

SKILL.md

readonly

name	altinity-expert-clickhouse-logs
description	Analyze ClickHouse system log table health including TTL configuration, disk usage, freshness, and cleanup. Use for system log issues and TTL configuration.
license	Apache-2.0

Diagnostics

Run all queries from checks.sql in this skill's directory and analyze the results.

TTL Recommendations

Log Table	Recommended TTL	Notes
query_log	7-30 days	Balance debugging vs disk
query_thread_log	Disable or 3 days	Very verbose
part_log	14-30 days	Important for RCA
trace_log	3-7 days	Large, mostly for debugging
text_log	7-14 days	Important for debugging
metric_log	7-14 days	Useful for trending
asynchronous_metric_log	7-14 days	Low volume
crash_log	90+ days	Rare, keep longer

KB articles

https://kb.altinity.com/altinity-kb-setup-and-maintenance/altinity-kb-system-tables-eat-my-disk/

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