@Override
      public void abort(String why, Throwable e) {
        aborted = true;
        LOG.error(why, e);
        System.exit(1);
      }
A tool for copying replication peer data across different replication peer storages.
<p/>
Notice that we will not delete the replication peer data from the source storage, as this tool
can also be used by online migration. See HBASE-27110 for the whole design.
hbase-replication/src/main/java/org/apache/hadoop/hbase/replication/CopyReplicationPeers.java