Package org.apache.hadoop.mapred.TaskTracker

Examples of org.apache.hadoop.mapred.TaskTracker.ShuffleServerMetrics.doUpdates()

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    IOException ie = new IOException("EOFException");
    testServlet.checkException(ie, exceptionMsgRegex, exceptionStackRegex,
        shuffleMetrics);

    MetricsContext context = factory.getContext("mapred");
    shuffleMetrics.doUpdates(context);
    Map<String, Collection<OutputRecord>> records = context.getAllRecords();
    Collection<OutputRecord> col = records.get("shuffleOutput");
    OutputRecord outputRecord = col.iterator().next();
    assertEquals(0, outputRecord.getMetric("shuffle_exceptions_caught")
        .intValue());
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    // test with only MsgRegex set that does match
    ie = new IOException("Broken pipe");
    testServlet.checkException(ie, exceptionMsgRegex, exceptionStackRegex,
        shuffleMetrics);

    shuffleMetrics.doUpdates(context);
    assertEquals(1, outputRecord.getMetric("shuffle_exceptions_caught")
        .intValue());

    // test with neither set, make sure incremented
    exceptionStackRegex = null;
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    // test with neither set, make sure incremented
    exceptionStackRegex = null;
    exceptionMsgRegex = null;
    testServlet.checkException(ie, exceptionMsgRegex, exceptionStackRegex,
        shuffleMetrics);
    shuffleMetrics.doUpdates(context);
    assertEquals(2, outputRecord.getMetric("shuffle_exceptions_caught")
        .intValue());

    // test with only StackRegex set doesn't match
    exceptionStackRegex = ".*\\.doesnt\\$SelectSet\\.wakeup.*";
 
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    exceptionStackRegex = ".*\\.doesnt\\$SelectSet\\.wakeup.*";
    exceptionMsgRegex = null;
    ie.setStackTrace(constructStackTrace());
    testServlet.checkException(ie, exceptionMsgRegex, exceptionStackRegex,
        shuffleMetrics);
    shuffleMetrics.doUpdates(context);
    assertEquals(2, outputRecord.getMetric("shuffle_exceptions_caught")
        .intValue());

    // test with only StackRegex set does match
    exceptionStackRegex = ".*\\.SelectorManager\\$SelectSet\\.wakeup.*";
 
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    // test with only StackRegex set does match
    exceptionStackRegex = ".*\\.SelectorManager\\$SelectSet\\.wakeup.*";
    testServlet.checkException(ie, exceptionMsgRegex, exceptionStackRegex,
        shuffleMetrics);
    shuffleMetrics.doUpdates(context);
    assertEquals(3, outputRecord.getMetric("shuffle_exceptions_caught")
        .intValue());

    // test with both regex set and matches
    exceptionMsgRegex = "Broken pipe";
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    // test with both regex set and matches
    exceptionMsgRegex = "Broken pipe";
    ie.setStackTrace(constructStackTraceTwo());
    testServlet.checkException(ie, exceptionMsgRegex, exceptionStackRegex,
        shuffleMetrics);
    shuffleMetrics.doUpdates(context);
    assertEquals(4, outputRecord.getMetric("shuffle_exceptions_caught")
        .intValue());

    // test with both regex set and only msg matches
    exceptionStackRegex = ".*[1-9]+BOGUSREGEX";
 
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    // test with both regex set and only msg matches
    exceptionStackRegex = ".*[1-9]+BOGUSREGEX";
    testServlet.checkException(ie, exceptionMsgRegex, exceptionStackRegex,
        shuffleMetrics);
    shuffleMetrics.doUpdates(context);
    assertEquals(4, outputRecord.getMetric("shuffle_exceptions_caught")
        .intValue());

    // test with both regex set and only stack matches
    exceptionStackRegex = ".*\\.SelectorManager\\$SelectSet\\.wakeup.*";
 
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    // test with both regex set and only stack matches
    exceptionStackRegex = ".*\\.SelectorManager\\$SelectSet\\.wakeup.*";
    exceptionMsgRegex = "EOFException";
    testServlet.checkException(ie, exceptionMsgRegex, exceptionStackRegex,
        shuffleMetrics);
    shuffleMetrics.doUpdates(context);
    assertEquals(4, outputRecord.getMetric("shuffle_exceptions_caught")
        .intValue());
  }

  /*
 
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