Examples with DistributedLogConfiguration com.twitter.distributedlog.DistributedLogConfiguration used on opensource projects

Example 26 with DistributedLogConfiguration

use of com.twitter.distributedlog.DistributedLogConfiguration in project distributedlog by twitter.

the class TestDistributedLogService method testCloseStreamsShouldAbort.

@Test(timeout = 60000)
public void testCloseStreamsShouldAbort() throws Exception {
    DistributedLogConfiguration confLocal = newLocalConf();
    confLocal.setOutputBufferSize(Integer.MAX_VALUE).setImmediateFlushEnabled(false).setPeriodicFlushFrequencyMilliSeconds(0);
    String streamNamePrefix = testName.getMethodName();
    DistributedLogServiceImpl localService = createService(serverConf, confLocal);
    StreamManagerImpl streamManager = (StreamManagerImpl) localService.getStreamManager();
    int numStreams = 10;
    int numWrites = 10;
    List<Future<WriteResponse>> futureList = Lists.newArrayListWithExpectedSize(numStreams * numWrites);
    for (int i = 0; i < numStreams; i++) {
        String streamName = streamNamePrefix + "-" + i;
        HeartbeatOptions hbOptions = new HeartbeatOptions();
        hbOptions.setSendHeartBeatToReader(true);
        // make sure the first log segment of each stream created
        FutureUtils.result(localService.heartbeatWithOptions(streamName, new WriteContext(), hbOptions));
        for (int j = 0; j < numWrites; j++) {
            futureList.add(localService.write(streamName, createRecord(i * numWrites + j)));
        }
    }
    assertEquals("There should be " + numStreams + " streams in cache", numStreams, streamManager.getCachedStreams().size());
    while (streamManager.getAcquiredStreams().size() < numStreams) {
        TimeUnit.MILLISECONDS.sleep(20);
    }
    for (Stream s : streamManager.getAcquiredStreams().values()) {
        StreamImpl stream = (StreamImpl) s;
        stream.setStatus(StreamStatus.FAILED);
    }
    Future<List<Void>> closeResult = localService.closeStreams();
    List<Void> closedStreams = Await.result(closeResult);
    assertEquals("There should be " + numStreams + " streams closed", numStreams, closedStreams.size());
    // all writes should be flushed
    for (Future<WriteResponse> future : futureList) {
        WriteResponse response = Await.result(future);
        assertTrue("Op should fail with " + StatusCode.BK_TRANSMIT_ERROR + " or be rejected : " + response.getHeader().getCode(), StatusCode.BK_TRANSMIT_ERROR == response.getHeader().getCode() || StatusCode.WRITE_EXCEPTION == response.getHeader().getCode() || StatusCode.WRITE_CANCELLED_EXCEPTION == response.getHeader().getCode());
    }
    // acquired streams should all been removed after we close them
    assertTrue("There should be no streams in the acquired cache", streamManager.getAcquiredStreams().isEmpty());
    localService.shutdown();
    // cached streams wouldn't be removed immediately after streams are closed
    // but they should be removed after we shutdown the service
    assertTrue("There should be no streams in the cache after shutting down the service", streamManager.getCachedStreams().isEmpty());
}

Example 27 with DistributedLogConfiguration

use of com.twitter.distributedlog.DistributedLogConfiguration in project distributedlog by twitter.

the class TestServiceRequestLimiter method testDynamicLimiter.

@Test(timeout = 60000)
public void testDynamicLimiter() throws Exception {
    final AtomicInteger id = new AtomicInteger(0);
    final DynamicDistributedLogConfiguration dynConf = new DynamicDistributedLogConfiguration(new ConcurrentConstConfiguration(new DistributedLogConfiguration()));
    DynamicRequestLimiter<MockRequest> limiter = new DynamicRequestLimiter<MockRequest>(dynConf, NullStatsLogger.INSTANCE, new SettableFeature("", 0)) {

        @Override
        public RequestLimiter<MockRequest> build() {
            id.getAndIncrement();
            return new MockRequestLimiter();
        }
    };
    limiter.initialize();
    assertEquals(1, id.get());
    dynConf.setProperty("test1", 1);
    assertEquals(2, id.get());
    dynConf.setProperty("test2", 2);
    assertEquals(3, id.get());
}

Example 28 with DistributedLogConfiguration

use of com.twitter.distributedlog.DistributedLogConfiguration in project distributedlog by twitter.

the class TestServiceRequestLimiter method testDynamicLimiterWithException.

@Test(timeout = 60000)
public void testDynamicLimiterWithException() throws Exception {
    final AtomicInteger id = new AtomicInteger(0);
    final DynamicDistributedLogConfiguration dynConf = new DynamicDistributedLogConfiguration(new ConcurrentConstConfiguration(new DistributedLogConfiguration()));
    DynamicRequestLimiter<MockRequest> limiter = new DynamicRequestLimiter<MockRequest>(dynConf, NullStatsLogger.INSTANCE, new SettableFeature("", 0)) {

        @Override
        public RequestLimiter<MockRequest> build() {
            if (id.incrementAndGet() >= 2) {
                throw new RuntimeException("exception in dynamic limiter build()");
            }
            return new MockRequestLimiter();
        }
    };
    limiter.initialize();
    assertEquals(1, id.get());
    try {
        dynConf.setProperty("test1", 1);
        fail("should have thrown on config failure");
    } catch (RuntimeException ex) {
    }
    assertEquals(2, id.get());
}

Example 29 with DistributedLogConfiguration

use of com.twitter.distributedlog.DistributedLogConfiguration in project distributedlog by twitter.

the class TestZKLogSegmentMetadataStore method setup.

@Before
public void setup() throws Exception {
    zkc = TestZooKeeperClientBuilder.newBuilder().uri(createDLMURI("/")).sessionTimeoutMs(zkSessionTimeoutMs).build();
    scheduler = OrderedScheduler.newBuilder().name("test-zk-logsegment-metadata-store").corePoolSize(1).build();
    DistributedLogConfiguration conf = new DistributedLogConfiguration();
    conf.addConfiguration(baseConf);
    this.uri = createDLMURI("/" + runtime.getMethodName());
    lsmStore = new ZKLogSegmentMetadataStore(conf, zkc, scheduler);
    zkc.get().create("/" + runtime.getMethodName(), new byte[0], ZooDefs.Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT);
    this.rootZkPath = "/" + runtime.getMethodName();
}

Example 30 with DistributedLogConfiguration

use of com.twitter.distributedlog.DistributedLogConfiguration in project distributedlog by twitter.

the class TestZKAccessControlManager method setup.

@Before
public void setup() throws Exception {
    executorService = Executors.newSingleThreadScheduledExecutor();
    zkc = TestZooKeeperClientBuilder.newBuilder().uri(createURI("/")).build();
    conf = new DistributedLogConfiguration();
}