use of org.apache.carbondata.processing.newflow.exception.CarbonDataLoadingException in project carbondata by apache.
the class UnsafeBatchParallelReadMergeSorterImpl method sort.
@Override
public Iterator<CarbonRowBatch>[] sort(Iterator<CarbonRowBatch>[] iterators) throws CarbonDataLoadingException {
this.executorService = Executors.newFixedThreadPool(iterators.length);
this.threadStatusObserver = new ThreadStatusObserver(this.executorService);
int batchSize = CarbonProperties.getInstance().getBatchSize();
final SortBatchHolder sortBatchHolder = new SortBatchHolder(sortParameters, iterators.length, this.threadStatusObserver);
try {
for (int i = 0; i < iterators.length; i++) {
executorService.submit(new SortIteratorThread(iterators[i], sortBatchHolder, batchSize, rowCounter, this.threadStatusObserver));
}
} catch (Exception e) {
checkError();
throw new CarbonDataLoadingException("Problem while shutdown the server ", e);
}
checkError();
// Creates the iterator to read from merge sorter.
Iterator<CarbonSortBatch> batchIterator = new CarbonIterator<CarbonSortBatch>() {
@Override
public boolean hasNext() {
return sortBatchHolder.hasNext();
}
@Override
public CarbonSortBatch next() {
return new CarbonSortBatch(sortBatchHolder.next());
}
};
return new Iterator[] { batchIterator };
}
use of org.apache.carbondata.processing.newflow.exception.CarbonDataLoadingException 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 };
}
use of org.apache.carbondata.processing.newflow.exception.CarbonDataLoadingException in project carbondata by apache.
the class UnsafeParallelReadMergeSorterWithBucketingImpl method processRowToNextStep.
/**
* Below method will be used to process data to next step
*/
private boolean processRowToNextStep(UnsafeSortDataRows[] sortDataRows, SortParameters parameters) throws CarbonDataLoadingException {
if (null == sortDataRows || sortDataRows.length == 0) {
LOGGER.info("Record Processed For table: " + parameters.getTableName());
LOGGER.info("Number of Records was Zero");
String logMessage = "Summary: Carbon Sort Key Step: Read: " + 0 + ": Write: " + 0;
LOGGER.info(logMessage);
return false;
}
try {
for (int i = 0; i < sortDataRows.length; i++) {
// start sorting
sortDataRows[i].startSorting();
}
// check any more rows are present
LOGGER.info("Record Processed For table: " + parameters.getTableName());
CarbonTimeStatisticsFactory.getLoadStatisticsInstance().recordSortRowsStepTotalTime(parameters.getPartitionID(), System.currentTimeMillis());
CarbonTimeStatisticsFactory.getLoadStatisticsInstance().recordDictionaryValuesTotalTime(parameters.getPartitionID(), System.currentTimeMillis());
return false;
} catch (Exception e) {
throw new CarbonDataLoadingException(e);
}
}
use of org.apache.carbondata.processing.newflow.exception.CarbonDataLoadingException 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;
}
use of org.apache.carbondata.processing.newflow.exception.CarbonDataLoadingException in project carbondata by apache.
the class ParallelReadMergeSorterImpl method sort.
@Override
public Iterator<CarbonRowBatch>[] sort(Iterator<CarbonRowBatch>[] iterators) throws CarbonDataLoadingException {
SortDataRows sortDataRow = new SortDataRows(sortParameters, intermediateFileMerger);
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(executorService);
try {
for (int i = 0; i < iterators.length; i++) {
executorService.submit(new SortIteratorThread(iterators[i], sortDataRow, batchSize, rowCounter, 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 {
intermediateFileMerger.finish();
intermediateFileMerger = null;
finalMerger.startFinalMerge();
} 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 };
}
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