static void updateProgress(BackupInfo backupInfo, BackupManager backupManager, int newProgress,
    long bytesCopied) throws IOException {
    // compose the new backup progress data, using fake number for now
    String backupProgressData = newProgress + "%";

    backupInfo.setProgress(newProgress);
    backupManager.updateBackupInfo(backupInfo);
    LOG.debug("Backup progress data \"" + backupProgressData
      + "\" has been updated to backup system table for " + backupInfo.getBackupId());
  }
Update the ongoing backup with new progress.
@param backupInfo  backup info
@param newProgress progress
@param bytesCopied bytes copied
@throws IOException exception
hbase-backup/src/main/java/org/apache/hadoop/hbase/backup/mapreduce/MapReduceBackupCopyJob.java