public void addIncrementalBackupTableSet(Set<TableName> tables) throws IOException {
    systemTable.addIncrementalBackupTableSet(tables, backupInfo.getBackupRootDir());
  }
Adds set of tables to overall incremental backup table set
@param tables tables
@throws IOException exception
hbase-backup/src/main/java/org/apache/hadoop/hbase/backup/impl/BackupManager.java