@Override
    public int run(String[] args) throws Exception {
      if (args.length < 1 || args.length > 2) {
        printUsage(null);
        return 1;
      }
      Path inputDir = new Path(args[0]);
      int numMappers = 1;
      if (args.length > 1) {
        numMappers = Integer.parseInt(args[1]);
      }
      return run(inputDir, numMappers);
    }
Tool to search missing rows in WALs and hfiles. Pass in file or dir of keys to search for. Key
file must have been written by Verify step (we depend on the format it writes out. We'll read
them in and then search in hbase WALs and oldWALs dirs (Some of this is TODO).
hbase-it/src/test/java/org/apache/hadoop/hbase/test/IntegrationTestBigLinkedList.java