private void initCredentialsForHBase(String clusterKey, Job job) throws IOException {
    Configuration peerConf =
      HBaseConfiguration.createClusterConf(job.getConfiguration(), clusterKey);
    TableMapReduceUtil.initCredentialsForCluster(job, peerConf);
  }
@deprecated Since 3.0.0, will be removed in 4.0.0 Use {@link #targetUri} instead.
hbase-mapreduce/src/main/java/org/apache/hadoop/hbase/mapreduce/SyncTable.java