@Override
  public void preSplit(ObserverContext<RegionCoprocessorEnvironment> e) throws IOException {
    if (LOG.isDebugEnabled()) SpliceLogUtils.debug(LOG, "BackupEndpointObserver.preSplit()");

    BackupUtils.waitForBackupToComplete(tableName, regionName, path);
    isSplitting = true;
    super.preSplit(e);
  }