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ZooKeeper¶

This section lists the alerts for ZooKeeper.

ZooKeeperClusterTargetDown
ZooKeeperMissingFollowers
ZooKeeperRequestOverload
ZooKeeperRunningOutOfFileDescriptors
ZooKeeperSyncOverload

ZooKeeperClusterTargetDown¶

Severity	Major
Summary	ZooKeeper cluster Prometheus targets outage.
Description	Prometheus fails to scrape metrics from the `{{ $labels.pod }}` Pod of the `{{ $labels.cluster }}` cluster on the `{{ $labels.node }}` node.

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.