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23 | 23 | import static org.junit.jupiter.api.Assertions.assertEquals;
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24 | 24 | import static org.junit.jupiter.api.Assertions.assertNotNull;
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25 | 25 | import static org.junit.jupiter.api.Assertions.assertNull;
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26 |
| -import static org.junit.jupiter.api.Assertions.assertTrue; |
27 | 26 | import static org.junit.jupiter.api.Assertions.fail;
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28 | 27 | import static org.mockito.Mockito.when;
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29 | 28 |
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|
35 | 34 | import java.util.Map;
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36 | 35 | import java.util.Set;
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37 | 36 | import java.util.concurrent.ConcurrentMap;
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| 37 | +import java.util.concurrent.TimeoutException; |
38 | 38 | import java.util.concurrent.atomic.AtomicBoolean;
|
39 | 39 |
|
| 40 | +import org.apache.hadoop.test.GenericTestUtils; |
40 | 41 | import org.apache.hadoop.thirdparty.com.google.common.collect.Iterators;
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41 | 42 |
|
42 | 43 | import org.apache.hadoop.yarn.server.resourcemanager.RMContext;
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@@ -625,7 +626,6 @@ public void testCheckRequestOnceForUnsatisfiedRequest() throws Exception {
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625 | 626 | // mock node tracker with 2000 nodes
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626 | 627 | // to simulate the scenario where there are many nodes in the cluster
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627 | 628 | List<FiCaSchedulerNode> mockNodes = new ArrayList<>();
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628 |
| - long ss = System.currentTimeMillis(); |
629 | 629 | for (int i = 0; i < 2000; i++) {
|
630 | 630 | FiCaSchedulerNode node =
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631 | 631 | TestUtils.getMockNode("host" + i + ":1234", "", 0, 10 * GB, 10);
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@@ -660,26 +660,34 @@ public List<FiCaSchedulerNode> getNodesPerPartition(String partition) {
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660 | 660 | // create an unsatisfied request which will reach the headroom
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661 | 661 | am1.allocate("*", 2 * GB, 10, new ArrayList<>());
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662 | 662 |
|
663 |
| - // verify that when headroom is reached for an unsatisfied request, |
664 |
| - // scheduler should only check the request once before checking all nodes. |
665 |
| - CandidateNodeSet<FiCaSchedulerNode> candidates = |
666 |
| - new SimpleCandidateNodeSet<>(Collections.emptyMap(), ""); |
667 |
| - int numSchedulingCycles = 10; |
668 |
| - long startTime = System.currentTimeMillis(); |
669 |
| - for (int i = 0; i < numSchedulingCycles; i++) { |
670 |
| - spyCs.allocateContainersToNode(candidates, false); |
| 663 | + List<Long> elapsedMsLst = new ArrayList<>(); |
| 664 | + try { |
| 665 | + GenericTestUtils.waitFor(() -> { |
| 666 | + // verify that when headroom is reached for an unsatisfied request, |
| 667 | + // scheduler should only check the request once before checking all nodes. |
| 668 | + CandidateNodeSet<FiCaSchedulerNode> candidates = |
| 669 | + new SimpleCandidateNodeSet<>(Collections.emptyMap(), ""); |
| 670 | + int numSchedulingCycles = 10; |
| 671 | + long startTime = System.currentTimeMillis(); |
| 672 | + for (int i = 0; i < numSchedulingCycles; i++) { |
| 673 | + spyCs.allocateContainersToNode(candidates, false); |
| 674 | + } |
| 675 | + long avgElapsedMs = |
| 676 | + (System.currentTimeMillis() - startTime) / numSchedulingCycles; |
| 677 | + LOG.info("Average elapsed time for a scheduling cycle: {} ms", |
| 678 | + avgElapsedMs); |
| 679 | + |
| 680 | + elapsedMsLst.add(avgElapsedMs); |
| 681 | + // verify that the scheduling cycle is less than 10ms, |
| 682 | + // ideally the latency should be less than 2ms. |
| 683 | + return avgElapsedMs < 10; |
| 684 | + }, 500, 3000); |
| 685 | + } catch (TimeoutException e) { |
| 686 | + fail("Scheduling cycle expected to be less than 10ms, " + |
| 687 | + "but took too long, elapsedMs:" + elapsedMsLst); |
| 688 | + } finally { |
| 689 | + rm.stop(); |
671 | 690 | }
|
672 |
| - long avgElapsedMs = |
673 |
| - (System.currentTimeMillis() - startTime) / numSchedulingCycles; |
674 |
| - LOG.info("Average elapsed time for a scheduling cycle: {} ms", |
675 |
| - avgElapsedMs); |
676 |
| - // verify that the scheduling cycle is less than 5ms, |
677 |
| - // ideally the latency should be less than 2ms. |
678 |
| - assertTrue(avgElapsedMs < 5, |
679 |
| - String.format("%d ms elapsed in average for a scheduling cycle, " + |
680 |
| - "expected to be less than 5ms.", avgElapsedMs)); |
681 |
| - |
682 |
| - rm.stop(); |
683 | 691 | }
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684 | 692 |
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685 | 693 | private static void moveReservation(CapacityScheduler cs,
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