public static BackupMergeJob getBackupMergeJob(Configuration conf) {
    Class<? extends BackupMergeJob> cls = conf.getClass(HBASE_BACKUP_MERGE_IMPL_CLASS,
      MapReduceBackupMergeJob.class, BackupMergeJob.class);
    BackupMergeJob service = ReflectionUtils.newInstance(cls, conf);
    service.setConf(conf);
    return service;
  }
Gets backup merge job
@param conf configuration
@return backup merge job instance
hbase-backup/src/main/java/org/apache/hadoop/hbase/backup/BackupRestoreFactory.java