[16:54:48] FIRING: MysqlReplicationLagPtHeartbeat: MySQL instance db1206:9104 has too large replication lag (5m 0s) - https://wikitech.wikimedia.org/wiki/MariaDB/troubleshooting#Depooling_a_replica - https://grafana.wikimedia.org/d/000000273/mysql?orgId=1&refresh=1m&var-job=All&var-server=db1206&var-port=9104 - https://alerts.wikimedia.org/?q=alertname%3DMysqlReplicationLagPtHeartbeat [16:59:48] RESOLVED: MysqlReplicationLagPtHeartbeat: MySQL instance db1206:9104 has too large replication lag (1m 29s) - https://wikitech.wikimedia.org/wiki/MariaDB/troubleshooting#Depooling_a_replica - https://grafana.wikimedia.org/d/000000273/mysql?orgId=1&refresh=1m&var-job=All&var-server=db1206&var-port=9104 - https://alerts.wikimedia.org/?q=alertname%3DMysqlReplicationLagPtHeartbeat