@Override
  public boolean shouldFinishBlock(int uncompressed) {
    return true;
  }
Dummy implementation that always returns true. This means, we will be only considering the
block uncompressed size for deciding when to finish a block.
@param uncompressed true if the block should be finished.
hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/UncompressedBlockSizePredicator.java