@Override
  protected boolean shouldDistributeInvalidateRegion(RegionEventImpl event) {
    return getBucketAdvisor().isPrimary();
  }
Release the lock on the bucket that makes the bucket stay the primary during a write.
And release/remove the lockObject on the key(s)
geode-core/src/main/java/org/apache/geode/internal/cache/BucketRegion.java