[05:24:16] <icinga-wm>	 PROBLEM - MariaDB sustained replica lag on s7 on db1127 is CRITICAL: 437 ge 2 https://wikitech.wikimedia.org/wiki/MariaDB/troubleshooting%23Replication_lag https://grafana.wikimedia.org/d/000000273/mysql?orgId=1&var-server=db1127&var-port=9104