Package org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos

Examples of org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.NewEpochResponseProto

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    ch.setEpoch(1);
    ch.startLogSegment(1).get();
    ch.sendEdits(1L, 1, 2, QJMTestUtil.createTxnData(1, 2)).get();
   
    // Switch to a new epoch without closing earlier segment
    NewEpochResponseProto response = ch.newEpoch(2).get();
    ch.setEpoch(2);
    assertEquals(1, response.getLastSegmentTxId());
   
    ch.finalizeLogSegment(1, 2).get();
   
    // Switch to a new epoch after just closing the earlier segment.
    response = ch.newEpoch(3).get();
    ch.setEpoch(3);
    assertEquals(1, response.getLastSegmentTxId());
   
    // Start a segment but don't write anything, check newEpoch segment info
    ch.startLogSegment(3).get();
    response = ch.newEpoch(4).get();
    ch.setEpoch(4);
    // Because the new segment is empty, it is equivalent to not having
    // started writing it. Hence, we should return the prior segment txid.
    assertEquals(1, response.getLastSegmentTxId());
  }
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  }
 
  @Test (timeout = 10000)
  public void testEpochHandling() throws Exception {
    assertEquals(0, journal.getLastPromisedEpoch());
    NewEpochResponseProto newEpoch =
        journal.newEpoch(FAKE_NSINFO, 1);
    assertFalse(newEpoch.hasLastSegmentTxId());
    assertEquals(1, journal.getLastPromisedEpoch());
    journal.newEpoch(FAKE_NSINFO, 3);
    assertFalse(newEpoch.hasLastSegmentTxId());
    assertEquals(3, journal.getLastPromisedEpoch());
    try {
      journal.newEpoch(FAKE_NSINFO, 3);
      fail("Should have failed to promise same epoch twice");
    } catch (IOException ioe) {
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    journal.startLogSegment(makeRI(1), 1);
    journal.journal(makeRI(2), 1, 1, 2,
        QJMTestUtil.createTxnData(1, 2));
    journal.finalizeLogSegment(makeRI(3), 1, 2);
    journal.startLogSegment(makeRI(4), 3);
    NewEpochResponseProto resp = journal.newEpoch(FAKE_NSINFO, 2);
    assertEquals(1, resp.getLastSegmentTxId());
  }
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    ch.setEpoch(1);
    ch.startLogSegment(1).get();
    ch.sendEdits(1L, 1, 2, QJMTestUtil.createTxnData(1, 2)).get();
   
    // Switch to a new epoch without closing earlier segment
    NewEpochResponseProto response = ch.newEpoch(2).get();
    ch.setEpoch(2);
    assertEquals(1, response.getLastSegmentTxId());
   
    ch.finalizeLogSegment(1, 2).get();
   
    // Switch to a new epoch after just closing the earlier segment.
    response = ch.newEpoch(3).get();
    ch.setEpoch(3);
    assertEquals(1, response.getLastSegmentTxId());
   
    // Start a segment but don't write anything, check newEpoch segment info
    ch.startLogSegment(3).get();
    response = ch.newEpoch(4).get();
    ch.setEpoch(4);
    // Because the new segment is empty, it is equivalent to not having
    // started writing it. Hence, we should return the prior segment txid.
    assertEquals(1, response.getLastSegmentTxId());
  }
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    ch.setEpoch(1);
    ch.startLogSegment(1, NameNodeLayoutVersion.CURRENT_LAYOUT_VERSION).get();
    ch.sendEdits(1L, 1, 2, QJMTestUtil.createTxnData(1, 2)).get();
   
    // Switch to a new epoch without closing earlier segment
    NewEpochResponseProto response = ch.newEpoch(2).get();
    ch.setEpoch(2);
    assertEquals(1, response.getLastSegmentTxId());
   
    ch.finalizeLogSegment(1, 2).get();
   
    // Switch to a new epoch after just closing the earlier segment.
    response = ch.newEpoch(3).get();
    ch.setEpoch(3);
    assertEquals(1, response.getLastSegmentTxId());
   
    // Start a segment but don't write anything, check newEpoch segment info
    ch.startLogSegment(3, NameNodeLayoutVersion.CURRENT_LAYOUT_VERSION).get();
    response = ch.newEpoch(4).get();
    ch.setEpoch(4);
    // Because the new segment is empty, it is equivalent to not having
    // started writing it. Hence, we should return the prior segment txid.
    assertEquals(1, response.getLastSegmentTxId());
  }
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  }

  @Test (timeout = 10000)
  public void testEpochHandling() throws Exception {
    assertEquals(0, journal.getLastPromisedEpoch());
    NewEpochResponseProto newEpoch =
        journal.newEpoch(FAKE_NSINFO, 1);
    assertFalse(newEpoch.hasLastSegmentTxId());
    assertEquals(1, journal.getLastPromisedEpoch());
    journal.newEpoch(FAKE_NSINFO, 3);
    assertFalse(newEpoch.hasLastSegmentTxId());
    assertEquals(3, journal.getLastPromisedEpoch());
    try {
      journal.newEpoch(FAKE_NSINFO, 3);
      fail("Should have failed to promise same epoch twice");
    } catch (IOException ioe) {
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    journal.journal(makeRI(2), 1, 1, 2,
        QJMTestUtil.createTxnData(1, 2));
    journal.finalizeLogSegment(makeRI(3), 1, 2);
    journal.startLogSegment(makeRI(4), 3,
        NameNodeLayoutVersion.CURRENT_LAYOUT_VERSION);
    NewEpochResponseProto resp = journal.newEpoch(FAKE_NSINFO, 2);
    assertEquals(1, resp.getLastSegmentTxId());
  }
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    ch.setEpoch(1);
    ch.startLogSegment(1).get();
    ch.sendEdits(1L, 1, 2, QJMTestUtil.createTxnData(1, 2)).get();
   
    // Switch to a new epoch without closing earlier segment
    NewEpochResponseProto response = ch.newEpoch(2).get();
    ch.setEpoch(2);
    assertEquals(1, response.getLastSegmentTxId());
   
    ch.finalizeLogSegment(1, 2).get();
   
    // Switch to a new epoch after just closing the earlier segment.
    response = ch.newEpoch(3).get();
    ch.setEpoch(3);
    assertEquals(1, response.getLastSegmentTxId());
   
    // Start a segment but don't write anything, check newEpoch segment info
    ch.startLogSegment(3).get();
    response = ch.newEpoch(4).get();
    ch.setEpoch(4);
    // Because the new segment is empty, it is equivalent to not having
    // started writing it. Hence, we should return the prior segment txid.
    assertEquals(1, response.getLastSegmentTxId());
  }
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  }
 
  @Test
  public void testEpochHandling() throws Exception {
    assertEquals(0, journal.getLastPromisedEpoch());
    NewEpochResponseProto newEpoch =
        journal.newEpoch(FAKE_NSINFO, 1);
    assertFalse(newEpoch.hasLastSegmentTxId());
    assertEquals(1, journal.getLastPromisedEpoch());
    journal.newEpoch(FAKE_NSINFO, 3);
    assertFalse(newEpoch.hasLastSegmentTxId());
    assertEquals(3, journal.getLastPromisedEpoch());
    try {
      journal.newEpoch(FAKE_NSINFO, 3);
      fail("Should have failed to promise same epoch twice");
    } catch (IOException ioe) {
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    journal.startLogSegment(makeRI(1), 1);
    journal.journal(makeRI(2), 1, 1, 2,
        QJMTestUtil.createTxnData(1, 2));
    journal.finalizeLogSegment(makeRI(3), 1, 2);
    journal.startLogSegment(makeRI(4), 3);
    NewEpochResponseProto resp = journal.newEpoch(FAKE_NSINFO, 2);
    assertEquals(1, resp.getLastSegmentTxId());
  }
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Related Classes of org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.NewEpochResponseProto

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  • org.apache.hadoop.hdfs.qjournal.server.JournalNodeRpcServer
  • org.apache.hadoop.hdfs.qjournal.server.TestJournal
  • org.apache.hadoop.hdfs.qjournal.server.TestJournalNode
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