[log]
filters = alerting.scheduler:error \
alerting.engine:error \
alerting.resultHandler:error \
alerting.evalHandler:debug \
alerting.evalContext:debug \
alerting.extractor:debug \
alerting.notifier:debug \
alerting.notifier.slack:debug \
alerting.notifier.pagerduty:debug \
alerting.notifier.email:debug \
alerting.notifier.webhook:debug \
tsdb.graphite:debug \
tsdb.prometheus:debug \
tsdb.opentsdb:debug \
tsdb.influxdb:debug \
tsdb.elasticsearch:debug \
tsdb.elasticsearch.client:debug \
this option allows you to set level on per logger basis