Package com.cloudera.flume.handlers.debug

Examples of com.cloudera.flume.handlers.debug.MemorySinkSource

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  @Test
  public void testReservoirSampler() throws IOException, InterruptedException {
    Benchmark b = new Benchmark("Reservoir sampler + nullsink");
    b.mark("begin");
    MemorySinkSource mem = FlumeBenchmarkHarness.synthInMem();
    b.mark("disk_loaded");

    NullSink nullsnk = new NullSink();
    EventUtil.dumpAll(mem, nullsnk);
    b.mark("warmup");

    int res_size[] = { 100, 1000, 10000, 100000 };
    for (int i = 0; i < res_size.length; i++) {
      mem.open();
      int sz = res_size[i];
      EventSink res = new ReservoirSamplerDeco<NullSink>(new NullSink(), sz);
      EventUtil.dumpAll(mem, res);
      b.mark("reservoir " + sz + " sampling done", sz);

      res.close();
      b.mark("sample dump done");
    }

    for (int i = 0; i < res_size.length; i++) {
      mem.open();
      int sz = res_size[i];
      CounterSink cnt = new CounterSink("null");
      EventSink res = new ReservoirSamplerDeco<CounterSink>(cnt, sz);
      EventUtil.dumpAll(mem, res);
      b.mark("reservoir", sz);
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  @Test
  public void testIntervalSampler() throws IOException, InterruptedException {
    Benchmark b = new Benchmark("Interval sampler + nullsink");
    b.mark("begin");
    MemorySinkSource mem = FlumeBenchmarkHarness.synthInMem();
    b.mark("disk_loaded");

    NullSink nullsnk = new NullSink();
    EventUtil.dumpAll(mem, nullsnk);
    b.mark("warmup");

    int interval_size[] = { 100000, 10000, 1000, 100 };
    for (int i = 0; i < interval_size.length; i++) {
      mem.open();
      int sz = interval_size[i];
      EventSink res = new IntervalSampler<NullSink>(new NullSink(), sz);
      EventUtil.dumpAll(mem, res);
      b.mark("interval " + sz + " sampling done", sz);

      res.close();
      b.mark("sample dump done");
    }

    for (int i = 0; i < interval_size.length; i++) {
      mem.open();
      int sz = interval_size[i];
      CounterSink cnt = new CounterSink("null");
      EventSink res = new IntervalSampler<CounterSink>(cnt, sz);
      EventUtil.dumpAll(mem, res);
      b.mark("interval", sz);
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  @Test
  public void testProbabilitySampler() throws IOException, InterruptedException {
    Benchmark b = new Benchmark("Reservoir sampler + nullsink");
    b.mark("begin");
    MemorySinkSource mem = FlumeBenchmarkHarness.synthInMem();
    b.mark("disk_loaded");

    NullSink nullsnk = new NullSink();
    EventUtil.dumpAll(mem, nullsnk);
    b.mark("warmup");

    double probs[] = { .00001, .0001, .001, .01 };
    for (int i = 0; i < probs.length; i++) {
      mem.open();
      double prob = probs[i];
      EventSink res = new ProbabilitySampler<NullSink>(new NullSink(), prob);
      EventUtil.dumpAll(mem, res);
      b.mark("probability" + prob + " sampling done", prob);

      res.close();
      b.mark("sample dump done");
    }

    for (int i = 0; i < probs.length; i++) {
      mem.open();
      double prob = probs[i];
      CounterSink cnt = new CounterSink("null");
      EventSink res = new ProbabilitySampler<CounterSink>(cnt, prob);
      EventUtil.dumpAll(mem, res);
      b.mark("probability", prob);
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  @Test
  public void checkSynth() throws IOException, InterruptedException {
    EventSource src = new SynthSource(5, 10, 1337);
    Event e = null;
    EventSink snk = new ConsoleEventSink(new AvroJsonOutputFormat());
    MemorySinkSource mem = new MemorySinkSource();
    while ((e = src.next()) != null) {
      snk.append(e); // visual inspection
      mem.append(e); // testing
    }

    mem.open();
    int i = 0;
    while ((e = mem.next()) != null) {
      i++;
      assertEquals(10, e.getBody().length);
    }
    assertEquals(5, i);
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  @Test
  public void checkAttrSynth() throws IOException, InterruptedException {
    EventSource src = new AttrSynthSource(5, 10, 20, 15, 1337);
    Event e = null;
    EventSink snk = new ConsoleEventSink(new AvroJsonOutputFormat());
    MemorySinkSource mem = new MemorySinkSource();
    while ((e = src.next()) != null) {
      snk.append(e); // visual inspection
      mem.append(e); // testing
    }

    mem.open();
    int i = 0;
    while ((e = mem.next()) != null) {
      i++;
      Map<String, byte[]> ents = e.getAttrs();
      assertEquals(10, ents.size()); // 10 generated + 1 (service)
      for (String a : ents.keySet()) {
        assertEquals(20, a.length());
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  @Test
  public void testNullSink() throws IOException, InterruptedException {
    Benchmark b = new Benchmark("nullsink");
    b.mark("begin");
    MemorySinkSource mem = FlumeBenchmarkHarness.synthInMem();
    b.mark("disk_loaded");

    EventSink nullsnk = new NullSink();
    EventUtil.dumpAll(mem, nullsnk);
    b.mark("nullsink done");
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  @Test
  public void testCountSink() throws IOException, InterruptedException {
    Benchmark b = new Benchmark("nullsink");
    b.mark("begin");
    MemorySinkSource mem = FlumeBenchmarkHarness.synthInMem();
    b.mark("disk_loaded");

    CounterSink snk = new CounterSink("counter");
    EventUtil.dumpAll(mem, snk);
    b.mark(snk.getName() + " done", snk.getCount());
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  @Test
  public void testThriftSend() throws IOException, InterruptedException {

    Benchmark b = new Benchmark("nullsink");
    b.mark("begin");
    MemorySinkSource mem = FlumeBenchmarkHarness.synthInMem();
    b.mark("disk_loaded");

    FlumeConfiguration conf = FlumeConfiguration.get();
    final ThriftEventSource tes = new ThriftEventSource(conf.getCollectorPort());
    tes.open();
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  @Test
  public void testThriftBatchSend10() throws IOException, InterruptedException {

    Benchmark b = new Benchmark("nullsink");
    b.mark("begin");
    MemorySinkSource mem = FlumeBenchmarkHarness.synthInMem();
    b.mark("disk_loaded");

    FlumeConfiguration conf = FlumeConfiguration.get();
    final ThriftEventSource tes = new ThriftEventSource(conf.getCollectorPort());
    tes.open();
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  @Test
  public void testThriftBatchSend100() throws IOException, InterruptedException {

    Benchmark b = new Benchmark("nullsink");
    b.mark("begin");
    MemorySinkSource mem = FlumeBenchmarkHarness.synthInMem();
    b.mark("disk_loaded");

    FlumeConfiguration conf = FlumeConfiguration.get();
    final ThriftEventSource tes = new ThriftEventSource(conf.getCollectorPort());
    tes.open();
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  • com.cloudera.flume.FlumeBenchmarkHarness
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