+ - alert: job processing rate
+ expr: rate(pg_stat_user_tables_n_tup_del{datname="openstreetmap",relname="delayed_jobs"}[5m]) / rate(pg_stat_user_tables_n_tup_ins{datname="openstreetmap",relname="delayed_jobs"}[5m]) < 0.9 and ignoring(job, name, datname, relname, schemaname, server) chef_role{name="db-master"} == 1
+ for: 5m
+ labels:
+ alertgroup: web
+ annotations:
+ job_processing_rate: "{{ $value | humanizePercentage }}"