README.md

ch-monitoring

ClickHouse monitoring tool.

It provides monitoring for:

• Backup:
  • Validity
  • Age
  • Count
  • Restoration failures
• Presence of orphaned S3 backups
• Core dumps
• Old chunks on Distributed tables
• Presence of geobase
• Aliveness of ClickHouse Keeper
• Count of errors in logs
• Ping-ability of ClickHouse
• Replication lag between replicas
• Re-setup state
• Read-only replicas
• System metrics
• TLS certificate validity

Each monitoring check outputs in following format:

<status code>;<message>

Where <status code> is one of

• 0 - OK
• 1 - WARN
• 2 - CRIT