Package org.apache.drill.exec.record

Examples of org.apache.drill.exec.record.RawFragmentBatch

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  }

  @Override
  public RawFragmentBatch getNext(){
   
    RawFragmentBatch b = buffer.poll();
    if(b == null && !finished){
      try {
        return buffer.take();
      } catch (InterruptedException e) {
        return null;
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        bee.addFragmentPendingRemote(newHandler);
        handler = newHandler;
      }
    }
   
    boolean canRun = handler.handle(connection.getConnectionThrottle(), new RawFragmentBatch(fragmentBatch, body));
    if(canRun){
      logger.debug("Arriving batch means local batch can run, starting local batch.");
      // if we've reached the canRun threshold, we'll proceed.  This expects handler.handle() to only return a single true.
      bee.startFragmentPendingRemote(handler);
    }
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    return batchLoader.getValueAccessorById(fieldId, clazz);
  }

  @Override
  public IterOutcome next() {
    RawFragmentBatch batch = fragProvider.getNext();
    try{
      if (batch == null) return IterOutcome.NONE;

      logger.debug("Next received batch {}", batch);

      RecordBatchDef rbd = batch.getHeader().getDef();
      boolean schemaChanged = batchLoader.load(rbd, batch.getBody());
      batch.release();
      if(schemaChanged){
        this.schema = batchLoader.getSchema();
        return IterOutcome.OK_NEW_SCHEMA;
      }else{
        return IterOutcome.OK;
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  @Override
  public IterOutcome next() {
    stats.startProcessing();
    try{
      RawFragmentBatch batch;
      try {
        stats.startWait();
        batch = fragProvider.getNext();

        // skip over empty batches. we do this since these are basically control messages.
        while (batch != null && !batch.getHeader().getIsOutOfMemory() && batch.getHeader().getDef().getRecordCount() == 0 && !first) {
          batch = fragProvider.getNext();
        }
      } finally {
        stats.stopWait();
      }

      first = false;

      if (batch == null) {
        batchLoader.clear();
        if (context.isCancelled()) {
          return IterOutcome.STOP;
        }
        return IterOutcome.NONE;
      }

      if (batch.getHeader().getIsOutOfMemory()) {
        return IterOutcome.OUT_OF_MEMORY;
      }


//      logger.debug("Next received batch {}", batch);

      RecordBatchDef rbd = batch.getHeader().getDef();
      boolean schemaChanged = batchLoader.load(rbd, batch.getBody());
      stats.addLongStat(Metric.BYTES_RECEIVED, batch.getByteCount());

      batch.release();
      if(schemaChanged) {
        this.schema = batchLoader.getSchema();
        stats.batchReceived(0, rbd.getRecordCount(), true);
        return IterOutcome.OK_NEW_SCHEMA;
      } else {
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      fragmentManager.setAutoRead(true);
      logger.debug("Setting autoRead true");
    }
    boolean spool = spooling.get();
    RawFragmentBatchWrapper w = buffer.poll();
    RawFragmentBatch batch;
    if(w == null && !finished){
      try {
        w = buffer.take();
        batch = w.get();
        if (batch.getHeader().getIsOutOfMemory()) {
          outOfMemory = true;
          return batch;
        }
        queueSize -= w.getBodySize();
        return batch;
      } catch (InterruptedException e) {
        return null;
      }
    }
    if (w == null) {
      return null;
    }

    batch = w.get();
    if (batch.getHeader().getIsOutOfMemory()) {
      outOfMemory = true;
      return batch;
    }
    queueSize -= w.getBodySize();
//    assert queueSize >= 0;
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      Stopwatch watch = new Stopwatch();
      watch.start();
      BitData.FragmentRecordBatch header = BitData.FragmentRecordBatch.parseDelimitedFrom(stream);
      ByteBuf buf = allocator.buffer(bodyLength);
      buf.writeBytes(stream, bodyLength);
      batch = new RawFragmentBatch(null, header, buf, null);
      buf.release();
      available = true;
      latch.countDown();
      long t = watch.elapsed(TimeUnit.MICROSECONDS);
      logger.debug("Took {} us to read {} from disk. Rate {} mb/s", t, bodyLength, bodyLength / t);
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  public void handle(RemoteConnection connection, FragmentManager manager, FragmentRecordBatch fragmentBatch, ByteBuf data, ResponseSender sender) throws RpcException {
//    logger.debug("Fragment Batch received {}", fragmentBatch);
    try {
      boolean canRun = manager.handle(new RawFragmentBatch(connection, fragmentBatch, data, sender));
      if (canRun) {
//        logger.debug("Arriving batch means local batch can run, starting local batch.");
        // if we've reached the canRun threshold, we'll proceed. This expects handler.handle() to only return a single
        // true.
        bee.startFragmentPendingRemote(manager);
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    if (!buffer.isEmpty()) {
      if (!context.isFailed() && !context.isCancelled()) {
        context.fail(new IllegalStateException("Batches still in queue during cleanup"));
        logger.error("{} Batches in queue.", buffer.size());
        RawFragmentBatch batch;
        while ((batch = buffer.poll()) != null) {
          logger.error("Batch left in queue: {}", batch);
        }
      }
      RawFragmentBatch batch;
      while ((batch = buffer.poll()) != null) {
        if (batch.getBody() != null) batch.getBody().release();
      }
    }
  }
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  }

  @Override
  public void kill(FragmentContext context) {
    while(!buffer.isEmpty()){
      RawFragmentBatch batch = buffer.poll();
      batch.getBody().release();
    }
  }
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      logger.debug("Setting autoread true");
      outOfMemory.set(false);
      readController.flushResponses();
    }

    RawFragmentBatch b = null;

    b = buffer.poll();

    // if we didn't get a buffer, block on waiting for buffer.
    if(b == null && (!finished || !buffer.isEmpty())){
      try {
        b = buffer.take();
      } catch (InterruptedException e) {
        return null;
      }
    }

    if (b != null && b.getHeader().getIsOutOfMemory()) {
      outOfMemory.set(true);
      return b;
    }


    // if we are in the overlimit condition and aren't finished, check if we've passed the start limit.  If so, turn off the overlimit condition and set auto read to true (start reading from socket again).
    if(!finished && overlimit.get()){
      if(buffer.size() == startlimit){
        overlimit.set(false);
        readController.flushResponses();
      }
    }

    if (b != null && b.getHeader().getIsLastBatch()) {
      streamCounter--;
      if (streamCounter == 0) {
        finished();
      }
    }
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Related Classes of org.apache.drill.exec.record.RawFragmentBatch

  • org.apache.drill.exec.physical.impl.mergereceiver.MergingRecordBatch
  • org.apache.drill.exec.physical.impl.unorderedreceiver.UnorderedReceiverBatch
  • org.apache.drill.exec.physical.impl.WireRecordBatch
  • org.apache.drill.exec.rpc.data.DataResponseHandlerImpl
  • org.apache.drill.exec.work.batch.BitComHandlerImpl
  • org.apache.drill.exec.work.batch.SpoolingRawBatchBuffer
  • org.apache.drill.exec.work.batch.SpoolingRawBatchBuffer$RawFragmentBatchWrapper
  • org.apache.drill.exec.work.batch.UnlimitedRawBatchBuffer
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