@Override
  public boolean controlCompactionForBlobStore(PartitionId id, boolean enabled) {
    DiskManager diskManager = partitionToDiskManager.get(id);
    return diskManager != null && diskManager.controlCompactionForBlobStore(id, enabled);
  }
Check if a certain disk has any store on it.
@param disk The {@link DiskId} to check
@return {@code true} if the disk has any store.
ambry-store/src/main/java/com/github/ambry/store/StorageManager.java