@Override
    public void initialize(InputSplit split, TaskAttemptContext context)
      throws IOException, InterruptedException {
      reader = new WARCFileReader(context.getConfiguration(), ((FileSplit) split).getPath());
    }
Always returns false, as WARC files cannot be split.
hbase-it/src/test/java/org/apache/hadoop/hbase/test/util/warc/WARCInputFormat.java