public void flushMembershipChanges() {
    try {
      cacheDistributionAdvisor.waitForCurrentOperations();
    } catch (RegionDestroyedException ignored) {
    }
  }
Try to acquire the distributed lock which members must grab for in the case of a tie. Whoever
gets the lock initializes first.
geode-core/src/main/java/org/apache/geode/internal/cache/persistence/PersistenceAdvisorImpl.java