MariaDB/monitoring
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Icinga
TBD
Metrics
Prometheus
Hosts to be monitored at prometheus are controlled by the instance and server inventory at Zarcillo (db1115). In order to update prometheus, hosts have to be inserted, updated or deleted from Zarcillo and then run /usr/local/sbin/mysqld_exporter_config.py on the prometheus hosts (e.g. prometheus1003 and prometheus1004 for eqiad). This scripts run automatically every 30 minutes to check for changes.
The standard mysqld-prometheus-exporter is used for most metrics.
Grafana
Relevant dashboards:
- MySQL aggregated: https://grafana.wikimedia.org/d/000000278/mysql-aggregated
- MySQL instance: https://grafana.wikimedia.org/d/000000273/mysql
- Replication lag: https://grafana.wikimedia.org/d/000000303/mysql-replication-lag
- Mediawiki MySQL Loadbalancer: https://grafana.wikimedia.org/d/000000363/mediawiki-mysql-loadbalancer
Tendril
Tendril predates Prometheus installation. TBD
Logstash/Kibana
TBD