public boolean possibleRunOfflineRepair(int eligibleReplicaCount) {
    // @formatter:off
    return (eligibleReplicaCount >= 1
        && (
              (routerOperation == RouterOperation.TtlUpdateOperation && routerConfig.routerTtlUpdateOfflineRepairEnabled)
              || (routerOperation == RouterOperation.DeleteOperation && routerConfig.routerDeleteOfflineRepairEnabled)
           ));
    // @formatter:on
  }
@param eligibleReplicaCount eligible replicas to send Requests.
@return true if it's possible to run offline repair for the Delete or TtlUpdate
ambry-router/src/main/java/com/github/ambry/router/SimpleOperationTracker.java