public Gauge<Integer> getBelowMinReplicaNoDisruptionCount() {
    return belowMinReplicaNoDisruptionCount;
  }
This class tracks metrics related to replication prioritization.
It provides visibility into the behavior and effectiveness of the ReplicationPrioritizationManager.
ambry-prioritization/src/main/java/com/github/ambry/replica/prioritization/ReplicationPrioritizationMetrics.java