Examples of NewEpochResponseProto

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

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

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    // The storage info should be read, even if no writer has taken over.
    assertEquals(storageString, journal.getJournalStorage().toColonSeparatedString());

    assertEquals(1, journal.getLastPromisedEpoch());
    NewEpochResponseProto newEpoch = journal.newEpoch(FAKE_NSINFO, 2);
    assertEquals(1, newEpoch.getLastSegmentTxId());
  }
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Examples of org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.NewEpochResponseProto

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    journal.newEpoch(FAKE_NSINFO, 1);
    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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Examples of org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.NewEpochResponseProto

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  @Override
  public NewEpochResponseProto newEpoch(byte[] journalId,
      NamespaceInfo nsInfo,
      long epoch) throws IOException {
    NewEpochResponseProto p = jn.getOrCreateJournal(journalId).newEpoch(nsInfo, epoch);
    return p;
  }
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Examples of org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.NewEpochResponseProto

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      p.setHttpPort(-1);
      futureReturns(p)
        .when(logger).getJournalState();
     
      futureReturns(
          new NewEpochResponseProto()
          ).when(logger).newEpoch(Mockito.anyLong());
     
      StartupOption startOpt = null;
      futureReturns(null).when(logger).transitionJournal(
          Mockito.<NamespaceInfo> any(), Mockito.eq(Transition.FORMAT),
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Examples of org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.NewEpochResponseProto

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    }
   
    updateLastPromisedEpoch(epoch);
    abortCurSegment();
   
    NewEpochResponseProto ret = new NewEpochResponseProto();

    EditLogFile latestFile = scanStorageForLatestEdits();

    if (latestFile != null) {
      ret.setLastSegmentTxId(latestFile.getFirstTxId());
    }
    return ret;
  }
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