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cluster count failure reports

CLUSTER

CLUSTER COUNT-FAILURE-REPORTS node-id

Available since 3.0.0.

Time complexity: O(N) where N is the number of failure reports

The command returns the number of failure reports for the specified node. Failure reports are the way Redis Cluster uses in order to promote a PFAIL state, that means a node is not reachable, to a FAIL state, that means that the majority of masters in the cluster agreed within a window of time that the node is not reachable.

A few more details:

  • A node flags another node with PFAIL when the node is not reachable for a time greater than the configured node timeout, which is a fundamental configuration parameter of a Redis Cluster.
  • Nodes in PFAIL state are provided in gossip sections of heartbeat packets.
  • Every time a node processes gos