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

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

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    abortCurSegment();
   
    PrepareRecoveryResponseProto.Builder builder =
        PrepareRecoveryResponseProto.newBuilder();

    PersistedRecoveryPaxosData previouslyAccepted = getPersistedPaxosData(segmentTxId);
    completeHalfDoneAcceptRecovery(previouslyAccepted);

    SegmentStateProto segInfo = getSegmentInfo(segmentTxId);
    boolean hasFinalizedSegment = segInfo != null && !segInfo.getIsInProgress();

    if (previouslyAccepted != null && !hasFinalizedSegment) {
      SegmentStateProto acceptedState = previouslyAccepted.getSegmentState();
      assert acceptedState.getEndTxId() == segInfo.getEndTxId() :
            "prev accepted: " + TextFormat.shortDebugString(previouslyAccepted)+ "\n" +
            "on disk:       " + TextFormat.shortDebugString(segInfo);
           
      builder.setAcceptedInEpoch(previouslyAccepted.getAcceptedInEpoch())
        .setSegmentState(previouslyAccepted.getSegmentState());
    } else {
      if (segInfo != null) {
        builder.setSegmentState(segInfo);
      }
    }
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    Preconditions.checkArgument(segment.getEndTxId() > 0 &&
        segment.getEndTxId() >= segmentTxId,
        "bad recovery state for segment %s: %s",
        segmentTxId, TextFormat.shortDebugString(segment));
   
    PersistedRecoveryPaxosData oldData = getPersistedPaxosData(segmentTxId);
    PersistedRecoveryPaxosData newData = PersistedRecoveryPaxosData.newBuilder()
        .setAcceptedInEpoch(reqInfo.getEpoch())
        .setSegmentState(segment)
        .build();
   
    // If we previously acted on acceptRecovery() from a higher-numbered writer,
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      return null;
    }
   
    InputStream in = new FileInputStream(f);
    try {
      PersistedRecoveryPaxosData ret = PersistedRecoveryPaxosData.parseDelimitedFrom(in);
      Preconditions.checkState(ret != null &&
          ret.getSegmentState().getStartTxId() == segmentTxId,
          "Bad persisted data for segment %s: %s",
          segmentTxId, ret);
      return ret;
    } finally {
      IOUtils.closeStream(in);
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    abortCurSegment();
   
    PrepareRecoveryResponseProto.Builder builder =
        PrepareRecoveryResponseProto.newBuilder();

    PersistedRecoveryPaxosData previouslyAccepted = getPersistedPaxosData(segmentTxId);
    completeHalfDoneAcceptRecovery(previouslyAccepted);

    SegmentStateProto segInfo = getSegmentInfo(segmentTxId);
    boolean hasFinalizedSegment = segInfo != null && !segInfo.getIsInProgress();

    if (previouslyAccepted != null && !hasFinalizedSegment) {
      SegmentStateProto acceptedState = previouslyAccepted.getSegmentState();
      assert acceptedState.getEndTxId() == segInfo.getEndTxId() :
            "prev accepted: " + TextFormat.shortDebugString(previouslyAccepted)+ "\n" +
            "on disk:       " + TextFormat.shortDebugString(segInfo);
           
      builder.setAcceptedInEpoch(previouslyAccepted.getAcceptedInEpoch())
        .setSegmentState(previouslyAccepted.getSegmentState());
    } else {
      if (segInfo != null) {
        builder.setSegmentState(segInfo);
      }
    }
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    Preconditions.checkArgument(segment.getEndTxId() > 0 &&
        segment.getEndTxId() >= segmentTxId,
        "bad recovery state for segment %s: %s",
        segmentTxId, TextFormat.shortDebugString(segment));
   
    PersistedRecoveryPaxosData oldData = getPersistedPaxosData(segmentTxId);
    PersistedRecoveryPaxosData newData = PersistedRecoveryPaxosData.newBuilder()
        .setAcceptedInEpoch(reqInfo.getEpoch())
        .setSegmentState(segment)
        .build();
   
    // If we previously acted on acceptRecovery() from a higher-numbered writer,
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      return null;
    }
   
    InputStream in = new FileInputStream(f);
    try {
      PersistedRecoveryPaxosData ret = PersistedRecoveryPaxosData.parseDelimitedFrom(in);
      Preconditions.checkState(ret != null &&
          ret.getSegmentState().getStartTxId() == segmentTxId,
          "Bad persisted data for segment %s: %s",
          segmentTxId, ret);
      return ret;
    } finally {
      IOUtils.closeStream(in);
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    abortCurSegment();
   
    PrepareRecoveryResponseProto.Builder builder =
        PrepareRecoveryResponseProto.newBuilder();

    PersistedRecoveryPaxosData previouslyAccepted = getPersistedPaxosData(segmentTxId);
    completeHalfDoneAcceptRecovery(previouslyAccepted);

    SegmentStateProto segInfo = getSegmentInfo(segmentTxId);
    boolean hasFinalizedSegment = segInfo != null && !segInfo.getIsInProgress();

    if (previouslyAccepted != null && !hasFinalizedSegment) {
      SegmentStateProto acceptedState = previouslyAccepted.getSegmentState();
      assert acceptedState.getEndTxId() == segInfo.getEndTxId() :
            "prev accepted: " + TextFormat.shortDebugString(previouslyAccepted)+ "\n" +
            "on disk:       " + TextFormat.shortDebugString(segInfo);
           
      builder.setAcceptedInEpoch(previouslyAccepted.getAcceptedInEpoch())
        .setSegmentState(previouslyAccepted.getSegmentState());
    } else {
      if (segInfo != null) {
        builder.setSegmentState(segInfo);
      }
    }
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    Preconditions.checkArgument(segment.getEndTxId() > 0 &&
        segment.getEndTxId() >= segmentTxId,
        "bad recovery state for segment %s: %s",
        segmentTxId, TextFormat.shortDebugString(segment));
   
    PersistedRecoveryPaxosData oldData = getPersistedPaxosData(segmentTxId);
    PersistedRecoveryPaxosData newData = PersistedRecoveryPaxosData.newBuilder()
        .setAcceptedInEpoch(reqInfo.getEpoch())
        .setSegmentState(segment)
        .build();
   
    // If we previously acted on acceptRecovery() from a higher-numbered writer,
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      return null;
    }
   
    InputStream in = new FileInputStream(f);
    try {
      PersistedRecoveryPaxosData ret = PersistedRecoveryPaxosData.parseDelimitedFrom(in);
      Preconditions.checkState(ret != null &&
          ret.getSegmentState().getStartTxId() == segmentTxId,
          "Bad persisted data for segment %s: %s",
          segmentTxId, ret);
      return ret;
    } finally {
      IOUtils.closeStream(in);
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    abortCurSegment();
   
    PrepareRecoveryResponseProto.Builder builder =
        PrepareRecoveryResponseProto.newBuilder();

    PersistedRecoveryPaxosData previouslyAccepted = getPersistedPaxosData(segmentTxId);
    completeHalfDoneAcceptRecovery(previouslyAccepted);

    SegmentStateProto segInfo = getSegmentInfo(segmentTxId);
    boolean hasFinalizedSegment = segInfo != null && !segInfo.getIsInProgress();

    if (previouslyAccepted != null && !hasFinalizedSegment) {
      SegmentStateProto acceptedState = previouslyAccepted.getSegmentState();
      assert acceptedState.getEndTxId() == segInfo.getEndTxId() :
            "prev accepted: " + TextFormat.shortDebugString(previouslyAccepted)+ "\n" +
            "on disk:       " + TextFormat.shortDebugString(segInfo);
           
      builder.setAcceptedInEpoch(previouslyAccepted.getAcceptedInEpoch())
        .setSegmentState(previouslyAccepted.getSegmentState());
    } else {
      if (segInfo != null) {
        builder.setSegmentState(segInfo);
      }
    }
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Related Classes of org.apache.hadoop.hdfs.qjournal.protocol.QJournalProtocolProtos.PersistedRecoveryPaxosData

  • org.apache.hadoop.hdfs.qjournal.server.Journal
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