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ZooKeeper

This section lists the alerts for ZooKeeper.

• ZooKeeperClusterTargetDown

• ZooKeeperMissingFollowers

• ZooKeeperRequestOverload

• ZooKeeperRunningOutOfFileDescriptors

• ZooKeeperSyncOverload

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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.