Examples with CarbonSortKeyAndGroupByException org.apache.carbondata.processing.sortandgroupby.exception.CarbonSortKeyAndGroupByException used on opensource projects

Example 1 with CarbonSortKeyAndGroupByException

use of org.apache.carbondata.processing.sortandgroupby.exception.CarbonSortKeyAndGroupByException in project carbondata by apache.

the class SingleThreadFinalSortFilesMerger method getSortedRecordFromFile.

/**
   * This method will be used to get the sorted record from file
   *
   * @return sorted record sorted record
   * @throws CarbonSortKeyAndGroupByException
   */
private Object[] getSortedRecordFromFile() throws CarbonDataWriterException {
    Object[] row = null;
    // poll the top object from heap
    // heap maintains binary tree which is based on heap condition that will
    // be based on comparator we are passing the heap
    // when will call poll it will always delete root of the tree and then
    // it does trickel down operation complexity is log(n)
    SortTempFileChunkHolder poll = this.recordHolderHeapLocal.poll();
    // get the row from chunk
    row = poll.getRow();
    // check if there no entry present
    if (!poll.hasNext()) {
        // if chunk is empty then close the stream
        poll.closeStream();
        // change the file counter
        --this.fileCounter;
        // reaturn row
        return row;
    }
    // read new row
    try {
        poll.readRow();
    } catch (CarbonSortKeyAndGroupByException e) {
        throw new CarbonDataWriterException(e.getMessage(), e);
    }
    // add to heap
    this.recordHolderHeapLocal.add(poll);
    // return row
    return row;
}

Example 2 with CarbonSortKeyAndGroupByException

use of org.apache.carbondata.processing.sortandgroupby.exception.CarbonSortKeyAndGroupByException in project carbondata by apache.

the class SortTempFileChunkHolder method initialise.

private void initialise() throws CarbonSortKeyAndGroupByException {
    try {
        if (isSortTempFileCompressionEnabled) {
            this.bufferSize = sortTempFileNoOFRecordsInCompression;
        }
        stream = new DataInputStream(new BufferedInputStream(new FileInputStream(tempFile), this.fileBufferSize));
        this.entryCount = stream.readInt();
        if (prefetch) {
            new DataFetcher(false).call();
            totalRecordFetch += currentBuffer.length;
            if (totalRecordFetch < this.entryCount) {
                submit = executorService.submit(new DataFetcher(true));
            }
        } else {
            if (isSortTempFileCompressionEnabled) {
                new DataFetcher(false).call();
            }
        }
    } catch (FileNotFoundException e) {
        LOGGER.error(e);
        throw new CarbonSortKeyAndGroupByException(tempFile + " No Found", e);
    } catch (IOException e) {
        LOGGER.error(e);
        throw new CarbonSortKeyAndGroupByException(tempFile + " No Found", e);
    } catch (Exception e) {
        LOGGER.error(e);
        throw new CarbonSortKeyAndGroupByException(tempFile + " Problem while reading", e);
    }
}

Example 3 with CarbonSortKeyAndGroupByException

use of org.apache.carbondata.processing.sortandgroupby.exception.CarbonSortKeyAndGroupByException in project carbondata by apache.

the class SortTempFileChunkHolder method getRowFromStream.

/**
   * Reads row from file
   * @return Object[]
   * @throws CarbonSortKeyAndGroupByException
   */
private Object[] getRowFromStream() throws CarbonSortKeyAndGroupByException {
    // create new row of size 3 (1 for dims , 1 for high card , 1 for measures)
    Object[] holder = new Object[3];
    int index = 0;
    int nonDicIndex = 0;
    int[] dim = new int[this.dimensionCount];
    byte[][] nonDicArray = new byte[this.noDictionaryCount + this.complexDimensionCount][];
    Object[] measures = new Object[this.measureCount];
    try {
        // read dimension values
        for (int i = 0; i < isNoDictionaryDimensionColumn.length; i++) {
            if (isNoDictionaryDimensionColumn[i]) {
                short len = stream.readShort();
                byte[] array = new byte[len];
                stream.readFully(array);
                nonDicArray[nonDicIndex++] = array;
            } else {
                dim[index++] = stream.readInt();
            }
        }
        for (int i = 0; i < complexDimensionCount; i++) {
            short len = stream.readShort();
            byte[] array = new byte[len];
            stream.readFully(array);
            nonDicArray[nonDicIndex++] = array;
        }
        index = 0;
        // read measure values
        for (int i = 0; i < this.measureCount; i++) {
            if (stream.readByte() == 1) {
                switch(aggType[i]) {
                    case SHORT:
                        measures[index++] = stream.readShort();
                        break;
                    case INT:
                        measures[index++] = stream.readInt();
                        break;
                    case LONG:
                        measures[index++] = stream.readLong();
                        break;
                    case DOUBLE:
                        measures[index++] = stream.readDouble();
                        break;
                    case DECIMAL:
                        int len = stream.readInt();
                        byte[] buff = new byte[len];
                        stream.readFully(buff);
                        measures[index++] = buff;
                        break;
                }
            } else {
                measures[index++] = null;
            }
        }
        NonDictionaryUtil.prepareOutObj(holder, dim, nonDicArray, measures);
        // increment number if record read
        this.numberOfObjectRead++;
    } catch (IOException e) {
        LOGGER.error("Problme while reading the madkey fom sort temp file");
        throw new CarbonSortKeyAndGroupByException("Problem while reading the sort temp file ", e);
    }
    //return out row
    return holder;
}

Example 4 with CarbonSortKeyAndGroupByException

use of org.apache.carbondata.processing.sortandgroupby.exception.CarbonSortKeyAndGroupByException in project carbondata by apache.

the class UnsafeParallelReadMergeSorterImpl method sort.

@Override
public Iterator<CarbonRowBatch>[] sort(Iterator<CarbonRowBatch>[] iterators) throws CarbonDataLoadingException {
    int inMemoryChunkSizeInMB = CarbonProperties.getInstance().getSortMemoryChunkSizeInMB();
    UnsafeSortDataRows sortDataRow = new UnsafeSortDataRows(sortParameters, unsafeIntermediateFileMerger, inMemoryChunkSizeInMB);
    final int batchSize = CarbonProperties.getInstance().getBatchSize();
    try {
        sortDataRow.initialize();
    } catch (CarbonSortKeyAndGroupByException e) {
        throw new CarbonDataLoadingException(e);
    }
    this.executorService = Executors.newFixedThreadPool(iterators.length);
    this.threadStatusObserver = new ThreadStatusObserver(this.executorService);
    try {
        for (int i = 0; i < iterators.length; i++) {
            executorService.submit(new SortIteratorThread(iterators[i], sortDataRow, batchSize, rowCounter, this.threadStatusObserver));
        }
        executorService.shutdown();
        executorService.awaitTermination(2, TimeUnit.DAYS);
        processRowToNextStep(sortDataRow, sortParameters);
    } catch (Exception e) {
        checkError();
        throw new CarbonDataLoadingException("Problem while shutdown the server ", e);
    }
    checkError();
    try {
        unsafeIntermediateFileMerger.finish();
        List<UnsafeCarbonRowPage> rowPages = unsafeIntermediateFileMerger.getRowPages();
        finalMerger.startFinalMerge(rowPages.toArray(new UnsafeCarbonRowPage[rowPages.size()]), unsafeIntermediateFileMerger.getMergedPages());
    } catch (CarbonDataWriterException e) {
        throw new CarbonDataLoadingException(e);
    } catch (CarbonSortKeyAndGroupByException e) {
        throw new CarbonDataLoadingException(e);
    }
    // Creates the iterator to read from merge sorter.
    Iterator<CarbonRowBatch> batchIterator = new CarbonIterator<CarbonRowBatch>() {

        @Override
        public boolean hasNext() {
            return finalMerger.hasNext();
        }

        @Override
        public CarbonRowBatch next() {
            int counter = 0;
            CarbonRowBatch rowBatch = new CarbonRowBatch(batchSize);
            while (finalMerger.hasNext() && counter < batchSize) {
                rowBatch.addRow(new CarbonRow(finalMerger.next()));
                counter++;
            }
            return rowBatch;
        }
    };
    return new Iterator[] { batchIterator };
}

Example 5 with CarbonSortKeyAndGroupByException

use of org.apache.carbondata.processing.sortandgroupby.exception.CarbonSortKeyAndGroupByException in project carbondata by apache.

the class UnsafeParallelReadMergeSorterWithBucketingImpl method sort.

@Override
public Iterator<CarbonRowBatch>[] sort(Iterator<CarbonRowBatch>[] iterators) throws CarbonDataLoadingException {
    UnsafeSortDataRows[] sortDataRows = new UnsafeSortDataRows[bucketingInfo.getNumberOfBuckets()];
    UnsafeIntermediateMerger[] intermediateFileMergers = new UnsafeIntermediateMerger[sortDataRows.length];
    int inMemoryChunkSizeInMB = CarbonProperties.getInstance().getSortMemoryChunkSizeInMB();
    inMemoryChunkSizeInMB = inMemoryChunkSizeInMB / bucketingInfo.getNumberOfBuckets();
    if (inMemoryChunkSizeInMB < 5) {
        inMemoryChunkSizeInMB = 5;
    }
    try {
        for (int i = 0; i < bucketingInfo.getNumberOfBuckets(); i++) {
            SortParameters parameters = sortParameters.getCopy();
            parameters.setPartitionID(i + "");
            setTempLocation(parameters);
            intermediateFileMergers[i] = new UnsafeIntermediateMerger(parameters);
            sortDataRows[i] = new UnsafeSortDataRows(parameters, intermediateFileMergers[i], inMemoryChunkSizeInMB);
            sortDataRows[i].initialize();
        }
    } catch (CarbonSortKeyAndGroupByException e) {
        throw new CarbonDataLoadingException(e);
    }
    this.executorService = Executors.newFixedThreadPool(iterators.length);
    final int batchSize = CarbonProperties.getInstance().getBatchSize();
    try {
        for (int i = 0; i < iterators.length; i++) {
            executorService.submit(new SortIteratorThread(iterators[i], sortDataRows));
        }
        executorService.shutdown();
        executorService.awaitTermination(2, TimeUnit.DAYS);
        processRowToNextStep(sortDataRows, sortParameters);
    } catch (Exception e) {
        throw new CarbonDataLoadingException("Problem while shutdown the server ", e);
    }
    try {
        for (int i = 0; i < intermediateFileMergers.length; i++) {
            intermediateFileMergers[i].finish();
        }
    } catch (Exception e) {
        throw new CarbonDataLoadingException(e);
    }
    Iterator<CarbonRowBatch>[] batchIterator = new Iterator[bucketingInfo.getNumberOfBuckets()];
    for (int i = 0; i < sortDataRows.length; i++) {
        batchIterator[i] = new MergedDataIterator(String.valueOf(i), batchSize, intermediateFileMergers[i]);
    }
    return batchIterator;
}