@Override
  public void deprecateContainers(Collection<Container> deprecatedContainers) {
    throw new UnsupportedOperationException("AzureCloudDestinationSync::deprecateContainers is unsupported");
  }
Compacts a partition
@param partitionPath the path of the partitions to compact.
@return the number of blobs erased from cloud
@throws CloudStorageException
ambry-cloud/src/main/java/com/github/ambry/cloud/azure/AzureCloudDestinationSync.java