} catch (IOException io) {
throw new RuntimeException("problem starting mini dfs cluster", io);
}
if (mrrTezCluster == null) {
mrrTezCluster = new MiniTezCluster(TestMRRJobsDAGApi.class.getName(),
1, 1, 1);
Configuration conf = new Configuration();
conf.set("fs.defaultFS", remoteFs.getUri().toString()); // use HDFS
conf.setInt("yarn.nodemanager.delete.debug-delay-sec", 20000);
mrrTezCluster.init(conf);