Package com.cloudera.flume.handlers.debug

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

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    Benchmark b = new Benchmark("hdfs seqfile write");
    b.mark("begin");

    TextFileSource txt = new TextFileSource(HADOOP_DATA[0]);
    txt.open();
    MemorySinkSource mem = new MemorySinkSource();
    mem.open();
    EventUtil.dumpAll(txt, mem);
    txt.close();
    b.mark("disk_loaded");

    FlumeConfiguration conf = FlumeConfiguration.get();
    Path path = new Path("hdfs://localhost/testfile");
    FileSystem hdfs = path.getFileSystem(conf);
    hdfs.deleteOnExit(path);

    Writer w = SequenceFile.createWriter(hdfs, conf, path,
        WriteableEventKey.class, WriteableEvent.class);
    b.mark("hdfs_fileopen_started");

    Event e = null;
    while ((e = mem.next()) != null) {
      // writing
      w.append(new WriteableEventKey(e), new WriteableEvent(e));
    }
    w.close();
    b.mark("seqfile_hdfs_write");
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   * @throws InterruptedException
   */
  MemorySinkSource setupAckRoll() throws IOException, InterruptedException {

    // we can roll now.
    MemorySinkSource ackedmem = new MemorySinkSource();
    // simulate the stream coming from an e2e acking agent.
    AckChecksumInjector<EventSink> inj = new AckChecksumInjector<EventSink>(
        ackedmem);
    inj.open();
    inj.append(new EventImpl("foo 1".getBytes()));
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      final int COUNT = 100;
      final int ROLLS = 1000;

      // setup a source of data that will shove a lot of ack laden data into the
      // stream.
      MemorySinkSource mem = new MemorySinkSource();
      EventSource src = new NoNlASCIISynthSource(COUNT, 10);
      src.open();
      Event e;
      while ((e = src.next()) != null) {
        AckChecksumInjector<EventSink> acks = new AckChecksumInjector<EventSink>(
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      InterruptedException {
    Benchmark b = new Benchmark("Syslog format + nullsink");
    b.mark("begin");
    TextFileSource txt = new TextFileSource(SYSLOG_LOG); // 23244 entires
    txt.open();
    MemorySinkSource mem = new MemorySinkSource();
    mem.open();
    EventUtil.dumpAll(txt, mem);
    txt.close();

    b.mark("disk_loaded");
    Event e = null;
    NullSink sink = new NullSink();
    SyslogEntryFormat syslog = new SyslogEntryFormat();
    while ((e = mem.next()) != null) {
      Event e2 = syslog.extract(new String(e.getBody()), 2009);
      sink.append(e2);
    }
    sink.close();
    b.mark("warmup done");

    e = null;
    mem.open();
    while ((e = mem.next()) != null) {
      Event e2 = syslog.extract(new String(e.getBody()), 2009);
      sink.append(e2);
    }
    sink.close();
    b.mark("sample dump done");

    e = null;
    mem.open();
    CounterSink sink2 = new CounterSink("counter");

    while ((e = mem.next()) != null) {
      Event e2 = syslog.extract(new String(e.getBody()), 2009);
      sink2.append(e2);
    }
    sink2.close();
    b.mark("count done", sink2.getCount());
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    snk.open();
    b.mark("filters_loaded", new File(HADOOP_GREP).getName());

    TextFileSource txt = new TextFileSource(HADOOP_DATA[0]);
    txt.open();
    MemorySinkSource mem = new MemorySinkSource();
    mem.open();
    EventUtil.dumpAll(txt, mem);

    b.mark("disk_loaded");

    EventUtil.dumpAll(mem, snk);
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  public void testReservoirSampler() throws IOException, InterruptedException {
    Benchmark b = new Benchmark("Reservoir sampler + nullsink");
    b.mark("begin");
    TextFileSource txt = new TextFileSource(HADOOP_DATA[0]);
    txt.open();
    MemorySinkSource mem = new MemorySinkSource();
    mem.open();
    EventUtil.dumpAll(txt, mem);
    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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  public void testIntervalSampler() throws IOException, InterruptedException {
    Benchmark b = new Benchmark("Interval sampler + nullsink");
    b.mark("begin");
    TextFileSource txt = new TextFileSource(HADOOP_DATA[0]);
    txt.open();
    MemorySinkSource mem = new MemorySinkSource();
    mem.open();
    EventUtil.dumpAll(txt, mem);
    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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  public void testProbabilitySampler() throws IOException, InterruptedException {
    Benchmark b = new Benchmark("Reservoir sampler + nullsink");
    b.mark("begin");
    TextFileSource txt = new TextFileSource(HADOOP_DATA[0]);
    txt.open();
    MemorySinkSource mem = new MemorySinkSource();
    mem.open();
    EventUtil.dumpAll(txt, mem);

    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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  /**
   * A helper function used by most of the tests here to reduce
   * boilerplate.
   */
  private void helpTestDigest(String algorithm, boolean encodeBase64) throws IOException, InterruptedException {
    MemorySinkSource mem = new MemorySinkSource();
    EventSink dig = new DigestDecorator<EventSink>(mem, algorithm, "digest", encodeBase64);

    Event e = new EventImpl("content".getBytes());

    dig.open();
    dig.append(e);
    dig.close();

    mem.open();
    Event e2 = mem.next();
    byte digest[] = e2.get("digest");
    if (encodeBase64) {
      digest = Base64.decodeBase64(digest);
    }
    try {
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*/
public class TestSelectMaskDecos {

  @Test
  public void testSelect() throws IOException, InterruptedException {
    MemorySinkSource mem = new MemorySinkSource();
    EventSink sel = new SelectDecorator<EventSink>(mem, "foo", "bar", "bork");

    Event e = new EventImpl("content".getBytes());
    Attributes.setString(e, "foo", "foo data");
    Attributes.setString(e, "bar", "bar data");
    Attributes.setString(e, "baz", "baz data");

    sel.open();
    sel.append(e);
    sel.close();

    mem.open();
    Event e2 = mem.next();
    assertEquals("foo data", Attributes.readString(e2, "foo"));
    assertEquals("bar data", Attributes.readString(e2, "bar"));
    assertEquals(null, Attributes.readString(e2, "baz")); // not selected
    assertEquals(null, Attributes.readString(e2, "bork")); // not present
  }
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Related Classes of com.cloudera.flume.handlers.debug.MemorySinkSource

  • com.cloudera.flume.agent.durability.NaiveFileWALManager
  • com.cloudera.flume.agent.TestAckedWALDecorator
  • com.cloudera.flume.collector.TestCollectorSink
  • com.cloudera.flume.core.Event
  • com.cloudera.flume.core.EventImpl
  • com.cloudera.flume.core.extractors.TestExtractors
  • com.cloudera.flume.core.TestDigestDecorator
  • com.cloudera.flume.core.TestFormatterDecorator
  • com.cloudera.flume.core.TestSelectMaskDecos
  • com.cloudera.flume.FlumeBenchmarkHarness
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