Package org.apache.hadoop.test.MultithreadedTestUtil

Examples of org.apache.hadoop.test.MultithreadedTestUtil.TestContext

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        .nnTopology(topology)
        .numDataNodes(0)
        .build();
    cluster.waitActive();

    ctx = new TestContext();
    ctx.addThread(thr1 = new ZKFCThread(ctx, 0));
    assertEquals(0, thr1.zkfc.run(new String[]{"-formatZK"}));

    thr1.start();
    waitForHAState(0, HAServiceState.ACTIVE);
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  @Test
  public void testNoErrors() throws Exception {
    final AtomicInteger threadsRun = new AtomicInteger();

    TestContext ctx = new TestContext();
    for (int i = 0; i < 3; i++) {
      ctx.addThread(new TestingThread(ctx) {
        @Override
        public void doWork() throws Exception {
          threadsRun.incrementAndGet();
        }
      });
    }
    assertEquals(0, threadsRun.get());
    ctx.startThreads();
    long st = System.currentTimeMillis();
    ctx.waitFor(30000);
    long et = System.currentTimeMillis();

    // All threads should have run
    assertEquals(3, threadsRun.get());
    // Test shouldn't have waited the full 30 seconds, since
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        et - st < 5000);
  }

  @Test
  public void testThreadFails() throws Exception {
    TestContext ctx = new TestContext();
    ctx.addThread(new TestingThread(ctx) {
      @Override
      public void doWork() throws Exception {
        fail(FAIL_MSG);
      }
    });
    ctx.startThreads();
    long st = System.currentTimeMillis();
    try {
      ctx.waitFor(30000);
      fail("waitFor did not throw");
    } catch (RuntimeException rte) {
      // expected
      assertEquals(FAIL_MSG, rte.getCause().getMessage());
    }
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        et - st < 5000);
  }

  @Test
  public void testThreadThrowsCheckedException() throws Exception {
    TestContext ctx = new TestContext();
    ctx.addThread(new TestingThread(ctx) {
      @Override
      public void doWork() throws Exception {
        throw new IOException("my ioe");
      }
    });
    ctx.startThreads();
    long st = System.currentTimeMillis();
    try {
      ctx.waitFor(30000);
      fail("waitFor did not throw");
    } catch (RuntimeException rte) {
      // expected
      assertEquals("my ioe", rte.getCause().getMessage());
    }
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  @Test
  public void testRepeatingThread() throws Exception {
    final AtomicInteger counter = new AtomicInteger();

    TestContext ctx = new TestContext();
    ctx.addThread(new RepeatingTestThread(ctx) {
      @Override
      public void doAnAction() throws Exception {
        counter.incrementAndGet();
      }
    });
    ctx.startThreads();
    long st = System.currentTimeMillis();
    ctx.waitFor(3000);
    ctx.stop();
    long et = System.currentTimeMillis();
    long elapsed = et - st;

    // Test should have waited just about 3 seconds
    assertTrue("Test took " + (et - st) + "ms",
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      FileSystem fs = harness.getFailoverFs();
      DistributedFileSystem fsAsOtherUser = createFsAsOtherUser(
          cluster, harness.conf);
     
      TestContext testers = new TestContext();
      for (int i = 0; i < STRESS_NUM_THREADS; i++) {
        Path p = new Path("/test-" + i);
        testers.addThread(new PipelineTestThread(
            testers, fs, fsAsOtherUser, p));
      }
     
      // Start a separate thread which will make sure that replication
      // happens quickly by triggering deletion reports and replication
      // work calculation frequently.
      harness.addReplicationTriggerThread(500);
      harness.addFailoverThread(5000);
      harness.startThreads();
      testers.startThreads();
     
      testers.waitFor(STRESS_RUNTIME);
      testers.stop();
      harness.stopThreads();
    } finally {
      System.err.println("===========================\n\n\n\n");
      harness.shutdown();
    }
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        .when(spyLock).writeLock();
     
      final FileSystem fs = HATestUtil.configureFailoverFs(
          cluster, conf);
     
      TestContext ctx = new TestContext();
      for (int i = 0; i < 50; i++) {
        final int finalI = i;
        ctx.addThread(new RepeatingTestThread(ctx) {
          @Override
          public void doAnAction() throws Exception {
            Path p = new Path("/test-" + finalI);
            fs.mkdirs(p);
            fs.delete(p, true);
          }
        });
      }
     
      ctx.addThread(new RepeatingTestThread(ctx) {
        @Override
        public void doAnAction() throws Exception {
          cluster.transitionToStandby(0);
          Thread.sleep(50);
          cluster.transitionToActive(0);
        }
      });
      ctx.startThreads();
      ctx.waitFor(20000);
      ctx.stop();
    } finally {
      cluster.shutdown();
    }
  }
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        .nnTopology(topology)
        .numDataNodes(0)
        .build();
    cluster.waitActive();

    ctx = new TestContext();
    ctx.addThread(thr1 = new ZKFCThread(ctx, 0));
    assertEquals(0, thr1.zkfc.run(new String[]{"-formatZK"}));

    thr1.start();
    waitForHAState(0, HAServiceState.ACTIVE);
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  @Test
  public void testNoErrors() throws Exception {
    final AtomicInteger threadsRun = new AtomicInteger();

    TestContext ctx = new TestContext();
    for (int i = 0; i < 3; i++) {
      ctx.addThread(new TestingThread(ctx) {
        @Override
        public void doWork() throws Exception {
          threadsRun.incrementAndGet();
        }
      });
    }
    assertEquals(0, threadsRun.get());
    ctx.startThreads();
    long st = Time.now();
    ctx.waitFor(30000);
    long et = Time.now();

    // All threads should have run
    assertEquals(3, threadsRun.get());
    // Test shouldn't have waited the full 30 seconds, since
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        et - st < 5000);
  }

  @Test
  public void testThreadFails() throws Exception {
    TestContext ctx = new TestContext();
    ctx.addThread(new TestingThread(ctx) {
      @Override
      public void doWork() throws Exception {
        fail(FAIL_MSG);
      }
    });
    ctx.startThreads();
    long st = Time.now();
    try {
      ctx.waitFor(30000);
      fail("waitFor did not throw");
    } catch (RuntimeException rte) {
      // expected
      assertEquals(FAIL_MSG, rte.getCause().getMessage());
    }
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Related Classes of org.apache.hadoop.test.MultithreadedTestUtil.TestContext

  • org.apache.hadoop.ha.MiniZKFCCluster
  • org.apache.hadoop.hdfs.server.namenode.ha.TestDFSZKFailoverController
  • org.apache.hadoop.hdfs.server.namenode.ha.TestDNFencingWithReplication
  • org.apache.hadoop.hdfs.server.namenode.ha.TestHAStateTransitions
  • org.apache.hadoop.hdfs.server.namenode.ha.TestPipelinesFailover
  • org.apache.hadoop.ipc.RPCCallBenchmark
  • org.apache.hadoop.test.TestMultithreadedTestUtil
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