Zookeeper Too Many Leaders critical
Zookeeper cluster has too many nodes marked as leader
>>>
sum
(
) > 1
The query sum(zk_server_leader) > 1 adds up the zk_server_leader metric across all Zookeeper instances (each leader reports a value of 1). The alert triggers when the sum exceeds 1, meaning more than one node is acting as leader simultaneously.
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