code: @Benchmark
    public void createCallLatency(OutputStreamWriter results) throws Exception {
      results.write(new MeanDevAccumulator().addResults(new TimedCallable() {
        private int i = 0;
  
        @Override
        public void callTimed() throws Exception {
          proxyTClientProxyProtocol.create(new CreateRequest(metaInfo, ROOT + "newfilea-" + i++,
              metaInfo.getOrigCaller().getUserName(), FsPermission.getDefault(), true, true,
              (short) 1, 1024));
        }
      }, WARMUP_SAMPLES, MEASURED_SAMPLES).report());
      results.write("  |  ");
  
      results.write(new MeanDevAccumulator().addResults(new TimedCallable() {
        private int i = 0;
  
        @Override
        public void callTimed() throws Exception {
          proxyClientProxyProtocol.create(new CreateRequest(metaInfo, ROOT + "newfileb-" + i++,
              metaInfo.getOrigCaller().getUserName(), FsPermission.getDefault(), true, true,
              (short) 1, 1024));
        }
      }, WARMUP_SAMPLES, MEASURED_SAMPLES).report());
      results.write("  |  ");
  
      results.write(new MeanDevAccumulator().addResults(new TimedCallable() {
        private int i = 0;
  
        @Override
        public void callTimed() throws Exception {
          directClientProxyProtocol.create(new CreateRequest(metaInfo, ROOT + "newfilec-" + i++,
              metaInfo.getOrigCaller().getUserName(), FsPermission.getDefault(), true, true,
              (short) 1, 1024));
        }
      }, WARMUP_SAMPLES, MEASURED_SAMPLES).report());
      results.write("  |  ");
  
      results.write(new MeanDevAccumulator().addResults(new TimedCallable() {
        private int i = 0;
  
        @Override
        public void callTimed() throws Exception {
          directClientProtocol.create(ROOT + "newfiled-" + i++, FsPermission.getDefault(),
              metaInfo.getOrigCaller().getUserName(), true, true, (short) 1, 1024);
        }
      }, WARMUP_SAMPLES, MEASURED_SAMPLES).report());
    }
docs: //////////////////////////////////////