@Override
  public IsSplitOrMergeEnabledResponse isSplitOrMergeEnabled(RpcController controller,
    IsSplitOrMergeEnabledRequest request) throws ServiceException {
    IsSplitOrMergeEnabledResponse.Builder response = IsSplitOrMergeEnabledResponse.newBuilder();
    response.setEnabled(server.isSplitOrMergeEnabled(convert(request.getSwitchType())));
    return response.build();
  }
Triggers an asynchronous attempt to take a snapshot. {@inheritDoc}
hbase-server/src/main/java/org/apache/hadoop/hbase/master/MasterRpcServices.java