ZooKeeper

Available since MOS 21.1

This section lists the alerts for ZooKeeper.


ZooKeeperClusterTargetsOutage

Available since MOS 21.6

Severity

Major

Summary

ZooKeeper cluster Prometheus targets outage.

Description

Prometheus fails to scrape metrics from 2/3 of the {{ $labels.cluster }} cluster endpoints (more than 1/10 failed scrapes).


ZooKeeperMissingFollowers

Severity

Warning

Summary

ZooKeeper cluster has missing followers.

Description

The {{ $labels.cluster }} ZooKeeper cluster in the {{ $labels.namespace }} namespace has missing follower servers.


ZooKeeperRequestOverload

Severity

Warning

Summary

ZooKeeper server request overload.

Description

The {{ $labels.namespace }}/{{ $labels.pod }} ZooKeeper Pod in the {{ $labels.cluster }} cluster is not keeping up with request handling.


ZooKeeperRunningOutOfFileDescriptors

Severity

Warning

Summary

ZooKeeper server is running out of file descriptors.

Description

The {{ $labels.namespace }}/{{ $labels.pod }} ZooKeeper Pod in the {{ $labels.cluster }} cluster is using at least 85% of available file descriptors.


ZooKeeperSyncOverload

Severity

Warning

Summary

ZooKeeper leader synchronization overload.

Description

The ZooKeeper leader in the {{ $labels.cluster }} cluster in the {{ $labels.namespace }} namespace is not keeping up with synchronization.