Package org.apache.hadoop.mapreduce.task.reduce

Examples of org.apache.hadoop.mapreduce.task.reduce.ShuffleHeader.readFields()

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    conn.connect();
    DataInputStream input = new DataInputStream(conn.getInputStream());
    Assert.assertEquals(HttpURLConnection.HTTP_OK, conn.getResponseCode());
    Assert.assertEquals("close", conn.getHeaderField(HttpHeaders.CONNECTION));
    ShuffleHeader header = new ShuffleHeader();
    header.readFields(input);
    input.close();

    shuffleHandler.stop();
    Assert.assertTrue("sendError called when client closed connection",
        failures.size() == 0);
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      conn.getHeaderField(HttpHeaders.CONNECTION));
    Assert.assertEquals("timeout=1",
      conn.getHeaderField(HttpHeaders.KEEP_ALIVE));
    Assert.assertEquals(HttpURLConnection.HTTP_OK, conn.getResponseCode());
    ShuffleHeader header = new ShuffleHeader();
    header.readFields(input);
    input.close();

    // For keepAlive via URL
    url =
        new URL(shuffleBaseURL + "/mapOutput?job=job_12345_1&reduce=1&"
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      conn.getHeaderField(HttpHeaders.CONNECTION));
    Assert.assertEquals("timeout=1",
      conn.getHeaderField(HttpHeaders.KEEP_ALIVE));
    Assert.assertEquals(HttpURLConnection.HTTP_OK, conn.getResponseCode());
    header = new ShuffleHeader();
    header.readFields(input);
    input.close();
  }

  /**
   * simulate a reducer that sends an invalid shuffle-header - sometimes a wrong
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        ShuffleHeader.DEFAULT_HTTP_HEADER_VERSION);
    conn.connect();
    DataInputStream input = new DataInputStream(conn.getInputStream());
    Assert.assertEquals(HttpURLConnection.HTTP_OK, conn.getResponseCode());
    ShuffleHeader header = new ShuffleHeader();
    header.readFields(input);
    input.close();

    shuffleHandler.stop();
    Assert.assertTrue("sendError called when client closed connection",
        failures.size() == 0);
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    HttpURLConnection conn = (HttpURLConnection)url.openConnection();
    conn.connect();
    DataInputStream input = new DataInputStream(conn.getInputStream());
    Assert.assertEquals(HttpURLConnection.HTTP_OK, conn.getResponseCode());
    ShuffleHeader header = new ShuffleHeader();
    header.readFields(input);
    input.close();

    shuffleHandler.stop();
    Assert.assertTrue("sendError called when client closed connection",
        failures.size() == 0);
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    HttpURLConnection conn = (HttpURLConnection)url.openConnection();
    conn.connect();
    DataInputStream input = new DataInputStream(conn.getInputStream());
    Assert.assertEquals(HttpURLConnection.HTTP_OK, conn.getResponseCode());
    ShuffleHeader header = new ShuffleHeader();
    header.readFields(input);
    input.close();

    shuffleHandler.stop();
    Assert.assertTrue("sendError called when client closed connection",
        failures.size() == 0);
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    HttpURLConnection conn = (HttpURLConnection)url.openConnection();
    conn.connect();
    DataInputStream input = new DataInputStream(conn.getInputStream());
    Assert.assertEquals(HttpURLConnection.HTTP_OK, conn.getResponseCode());
    ShuffleHeader header = new ShuffleHeader();
    header.readFields(input);
    input.close();

    shuffleHandler.stop();
    Assert.assertTrue("sendError called when client closed connection",
        failures.size() == 0);
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    conn.connect();
    DataInputStream input = new DataInputStream(conn.getInputStream());
    Assert.assertEquals(HttpURLConnection.HTTP_OK, conn.getResponseCode());
    Assert.assertEquals("close", conn.getHeaderField(HttpHeaders.CONNECTION));
    ShuffleHeader header = new ShuffleHeader();
    header.readFields(input);
    input.close();

    shuffleHandler.stop();
    Assert.assertTrue("sendError called when client closed connection",
        failures.size() == 0);
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      conn.getHeaderField(HttpHeaders.CONNECTION));
    Assert.assertEquals("timeout=1",
      conn.getHeaderField(HttpHeaders.KEEP_ALIVE));
    Assert.assertEquals(HttpURLConnection.HTTP_OK, conn.getResponseCode());
    ShuffleHeader header = new ShuffleHeader();
    header.readFields(input);
    input.close();

    // For keepAlive via URL
    url =
        new URL(shuffleBaseURL + "/mapOutput?job=job_12345_1&reduce=1&"
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      conn.getHeaderField(HttpHeaders.CONNECTION));
    Assert.assertEquals("timeout=1",
      conn.getHeaderField(HttpHeaders.KEEP_ALIVE));
    Assert.assertEquals(HttpURLConnection.HTTP_OK, conn.getResponseCode());
    header = new ShuffleHeader();
    header.readFields(input);
    input.close();
  }

  /**
   * simulate a reducer that sends an invalid shuffle-header - sometimes a wrong
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