Package org.apache.tez.dag.app.rm.LocalTaskSchedulerService

Examples of org.apache.tez.dag.app.rm.LocalTaskSchedulerService.AsyncDelegateRequestHandler.processRequest()

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    // Allocate up to max tasks
    for (int i = 0; i < MAX_TASKS; i++) {
      Priority priority = Priority.newInstance(20);
      requestHandler.addAllocateTaskRequest(new Long(i), null, priority, null);
      requestHandler.processRequest();
    }

    // Only MAX_TASKS number of tasks should have been allocated
    Assert.assertEquals("Wrong number of allocate tasks", MAX_TASKS, taskAllocations.size());
    Assert.assertTrue("Another allocation should not fit", requestHandler.shouldWait());
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    Assert.assertTrue("Another allocation should not fit", requestHandler.shouldWait());

    // Deallocate down to zero
    for (int i = 0; i < MAX_TASKS; i++) {
      requestHandler.addDeallocateTaskRequest(new Long(i));
      requestHandler.processRequest();
    }

    // All allocated tasks should have been removed
    Assert.assertEquals("Wrong number of allocate tasks", 0, taskAllocations.size());
  }
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