[08:58:21] <icinga-wm>	 PROBLEM - MariaDB sustained replica lag on s2 on db2175 is CRITICAL: 296 ge 2 https://wikitech.wikimedia.org/wiki/MariaDB/troubleshooting%23Replication_lag https://grafana.wikimedia.org/d/000000273/mysql?orgId=1&var-server=db2175&var-port=9104