Li Wang created ZOOKEEPER-4211:
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Summary: Expose Quota Metrics to Prometheus
Key: ZOOKEEPER-4211
URL: https://issues.apache.org/jira/browse/ZOOKEEPER-4211
Project: ZooKeeper
Issue Type: New Feature
Components: metric system
Reporter: Li Wang
In 3.7, Quota limit can be enforced and the quota related stats are captured in
the StatsTrack. From the "listquota" CLI command, we can the quota limit and
usage info.
As an addition to that, we would like to collect the quota metrics and expose
them to the Prometheus for the following:
1. Monitoring per namespace (Chroot) quota usage via the Grafana dashboard
2. Creating alert based on the quota levels (e.g. 90% used)
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