code: @Route(method = HttpMethod.GET, uri = "/monitor/executors.json")
      public Result data() {
          return ok(ImmutableMap.builder()
                          .put("executors", getExecutorsAsMap(executors))
                          .put("schedulers", getExecutorsAsMap(schedulers))
                          .put("hung", getHungTasks())
                          .put("completed", getCompletedTasks())
                          .build()
          );
      }
docs: Retrieves the metrics about the executors. This method is intended to be used to handled an AJAX call.
  @return the metrics as JSON.