@Override
    public void memberDeparted(DistributionManager distributionManager,
        InternalDistributedMember id, boolean crashed) {
      if (logger.isDebugEnabled()) {
        logger.debug(
            "PartitionedRegionRebalanceOP - membership changed, restarting rebalancing for region {}",
            targetRegion);
      }
      membershipChange = true;
    }
Move a bucket from the provided source to the target

@param source member that contains the bucket
@param target member which should receive the bucket
@param bucketId the identifier of the bucket
@return true if the bucket was moved
geode-core/src/main/java/org/apache/geode/internal/cache/partitioned/PartitionedRegionRebalanceOp.java