Package org.apache.hadoop.hbase.regionserver

Examples of org.apache.hadoop.hbase.regionserver.StripeMultiFileWriter$WriterFactory

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    // Let policy select flush method.
    StripeFlushRequest req = this.policy.selectFlush(this.stripes, cellsCount);

    boolean success = false;
    StripeMultiFileWriter mw = null;
    try {
      mw = req.createWriter(); // Writer according to the policy.
      StripeMultiFileWriter.WriterFactory factory = createWriterFactory(
          snapshot.getTimeRangeTracker(), cellsCount);
      StoreScanner storeScanner = (scanner instanceof StoreScanner) ? (StoreScanner)scanner : null;
      mw.init(storeScanner, factory, store.getComparator());

      synchronized (flushLock) {
        performFlush(scanner, mw, smallestReadPoint);
        result = mw.commitWriters(cacheFlushSeqNum, false);
        success = true;
      }
    } finally {
      if (!success && (mw != null)) {
        for (Path leftoverFile : mw.abortWriters()) {
          try {
            store.getFileSystem().delete(leftoverFile, false);
          } catch (Exception e) {
            LOG.error("Failed to delete a file after failed flush: " + e);
          }
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  /** Stripe flush request wrapper that writes a non-striped file. */
  public static class StripeFlushRequest {
    @VisibleForTesting
    public StripeMultiFileWriter createWriter() throws IOException {
      StripeMultiFileWriter writer =
          new StripeMultiFileWriter.SizeMultiWriter(1, Long.MAX_VALUE, OPEN_KEY, OPEN_KEY);
      writer.setNoStripeMetadata();
      return writer;
    }
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      for (byte[] tb : targetBoundaries) {
        sb.append(" [").append(Bytes.toString(tb)).append("]");
      }
      LOG.debug(sb.toString());
    }
    StripeMultiFileWriter writer = new StripeMultiFileWriter.BoundaryMultiWriter(
        targetBoundaries, majorRangeFromRow, majorRangeToRow);
    return compactInternal(writer, request, majorRangeFromRow, majorRangeToRow);
  }
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    if (LOG.isDebugEnabled()) {
      LOG.debug("Executing compaction with " + targetSize
          + " target file size, no more than " + targetCount + " files, in ["
          + Bytes.toString(left) + "] [" + Bytes.toString(right) + "] range");
    }
    StripeMultiFileWriter writer = new StripeMultiFileWriter.SizeMultiWriter(
        targetCount, targetSize, left, right);
    return compactInternal(writer, request, majorRangeFromRow, majorRangeToRow);
  }
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  /** Verify arbitrary flush. */
  protected void verifyFlush(StripeCompactionPolicy policy, StripeInformationProvider si,
      KeyValue[] input, KeyValue[][] expected, byte[][] boundaries) throws IOException {
    StoreFileWritersCapture writers = new StoreFileWritersCapture();
    StripeStoreFlusher.StripeFlushRequest req = policy.selectFlush(si, input.length);
    StripeMultiFileWriter mw = req.createWriter();
    mw.init(null, writers, new KeyValue.KVComparator());
    for (KeyValue kv : input) {
      mw.append(kv);
    }
    boolean hasMetadata = boundaries != null;
    mw.commitWriters(0, false);
    writers.verifyKvs(expected, true, hasMetadata);
    if (hasMetadata) {
      writers.verifyBoundaries(boundaries);
    }
  }
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    // Let policy select flush method.
    StripeFlushRequest req = this.policy.selectFlush(this.stripes, kvCount);

    long flushedBytes = 0;
    boolean success = false;
    StripeMultiFileWriter mw = null;
    try {
      mw = req.createWriter(); // Writer according to the policy.
      StripeMultiFileWriter.WriterFactory factory = createWriterFactory(tracker, kvCount);
      StoreScanner storeScanner = (scanner instanceof StoreScanner) ? (StoreScanner)scanner : null;
      mw.init(storeScanner, factory, store.getComparator());

      synchronized (flushLock) {
        flushedBytes = performFlush(scanner, mw, smallestReadPoint);
        result = mw.commitWriters(cacheFlushSeqNum, false);
        success = true;
      }
    } finally {
      if (!success && (mw != null)) {
        for (Path leftoverFile : mw.abortWriters()) {
          try {
            store.getFileSystem().delete(leftoverFile, false);
          } catch (Exception e) {
            LOG.error("Failed to delete a file after failed flush: " + e);
          }
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  /** Stripe flush request wrapper that writes a non-striped file. */
  public static class StripeFlushRequest {
    @VisibleForTesting
    public StripeMultiFileWriter createWriter() throws IOException {
      StripeMultiFileWriter writer =
          new StripeMultiFileWriter.SizeMultiWriter(1, Long.MAX_VALUE, OPEN_KEY, OPEN_KEY);
      writer.setNoStripeMetadata();
      return writer;
    }
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  /** Verify arbitrary flush. */
  protected void verifyFlush(StripeCompactionPolicy policy, StripeInformationProvider si,
      KeyValue[] input, KeyValue[][] expected, byte[][] boundaries) throws IOException {
    StoreFileWritersCapture writers = new StoreFileWritersCapture();
    StripeStoreFlusher.StripeFlushRequest req = policy.selectFlush(si, input.length);
    StripeMultiFileWriter mw = req.createWriter();
    mw.init(null, writers, new KeyValue.KVComparator());
    for (KeyValue kv : input) {
      mw.append(kv);
    }
    boolean hasMetadata = boundaries != null;
    mw.commitWriters(0, false);
    writers.verifyKvs(expected, true, hasMetadata);
    if (hasMetadata) {
      writers.verifyBoundaries(boundaries);
    }
  }
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    // Let policy select flush method.
    StripeFlushRequest req = this.policy.selectFlush(this.stripes, cellsCount);

    boolean success = false;
    StripeMultiFileWriter mw = null;
    try {
      mw = req.createWriter(); // Writer according to the policy.
      StripeMultiFileWriter.WriterFactory factory = createWriterFactory(
          snapshot.getTimeRangeTracker(), cellsCount);
      StoreScanner storeScanner = (scanner instanceof StoreScanner) ? (StoreScanner)scanner : null;
      mw.init(storeScanner, factory, store.getComparator());

      synchronized (flushLock) {
        performFlush(scanner, mw, smallestReadPoint);
        result = mw.commitWriters(cacheFlushSeqNum, false);
        success = true;
      }
    } finally {
      if (!success && (mw != null)) {
        for (Path leftoverFile : mw.abortWriters()) {
          try {
            store.getFileSystem().delete(leftoverFile, false);
          } catch (Exception e) {
            LOG.error("Failed to delete a file after failed flush: " + e);
          }
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  /** Stripe flush request wrapper that writes a non-striped file. */
  public static class StripeFlushRequest {
    @VisibleForTesting
    public StripeMultiFileWriter createWriter() throws IOException {
      StripeMultiFileWriter writer =
          new StripeMultiFileWriter.SizeMultiWriter(1, Long.MAX_VALUE, OPEN_KEY, OPEN_KEY);
      writer.setNoStripeMetadata();
      return writer;
    }
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Related Classes of org.apache.hadoop.hbase.regionserver.StripeMultiFileWriter$WriterFactory

  • org.apache.hadoop.hbase.regionserver.compactions.StripeCompactor
  • org.apache.hadoop.hbase.regionserver.compactions.TestStripeCompactionPolicy
  • org.apache.hadoop.hbase.regionserver.StripeStoreFlusher
  • org.apache.hadoop.hbase.regionserver.StripeStoreFlusher$StripeFlushRequest
  • java.io.IOException
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