static RSGroupInfoManager create(MasterServices master) throws IOException {
    if (RSGroupUtil.isRSGroupEnabled(master.getConfiguration())) {
      return RSGroupInfoManagerImpl.getInstance(master);
    } else {
      return new DisabledRSGroupInfoManager(master.getServerManager());
    }
  }
Get {@code RSGroupInfo} for the given table.
hbase-server/src/main/java/org/apache/hadoop/hbase/rsgroup/RSGroupInfoManager.java