public void countDown(int size) {
    while (size > 0) {
      allBucketsRecoveredFromDisk.countDown();
      --size;
    }
  }
Get a consolodated set of all buckets that are waiting.
geode-core/src/main/java/org/apache/geode/internal/cache/partitioned/PersistentBucketRecoverer.java