@Override
  public boolean shouldWriteBlock(boolean closing) {
    enqueueReadyChunk(closing);
    return !readyChunks.isEmpty();
  }
each chunk's size in bytes. The real chunk size might be different as required by the fold
factor. target false positive rate hash function type to use maximum degree of folding allowed
the bloom type
hbase-server/src/main/java/org/apache/hadoop/hbase/io/hfile/CompoundBloomFilterWriter.java