ravipesala commented on a change in pull request #3177: [CARBONDATA-3337][CARBONDATA-3306] Distributed index server
URL:
https://github.com/apache/carbondata/pull/3177#discussion_r279624078
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File path: core/src/main/java/org/apache/carbondata/core/datamap/DistributableDataMapFormat.java
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@@ -85,33 +138,49 @@
private ExtendedBlocklet currBlocklet;
private List<DataMap> dataMaps;
- @Override public void initialize(InputSplit inputSplit, TaskAttemptContext taskAttemptContext)
+ @Override
+ public void initialize(InputSplit inputSplit, TaskAttemptContext taskAttemptContext)
throws IOException, InterruptedException {
- distributable = (DataMapDistributableWrapper) inputSplit;
- // clear the segmentMap and from cache in executor when there are invalid segments
- if (invalidSegments.size() > 0) {
- DataMapStoreManager.getInstance().clearInvalidSegments(table, invalidSegments);
- }
- TableDataMap tableDataMap = DataMapStoreManager.getInstance()
- .getDataMap(table, distributable.getDistributable().getDataMapSchema());
+ DataMapDistributableWrapper distributable = (DataMapDistributableWrapper) inputSplit;
+ distributable.getDistributable().getSegment().setCacheable(!isFallbackJob);
+ distributable.getDistributable().getSegment().setReadCommittedScope(readCommittedScope);
+ List<Segment> segmentsToLoad = new ArrayList<>();
+ segmentsToLoad.add(distributable.getDistributable().getSegment());
if (isJobToClearDataMaps) {
// if job is to clear datamaps just clear datamaps from cache and return
DataMapStoreManager.getInstance()
.clearDataMaps(table.getCarbonTableIdentifier().getTableUniqueName());
// clear the segment properties cache from executor
SegmentPropertiesAndSchemaHolder.getInstance()
.invalidate(table.getAbsoluteTableIdentifier());
- blockletIterator = Collections.emptyIterator();
+ List<ExtendedBlocklet> list = new ArrayList<ExtendedBlocklet>();
+ list.add(new ExtendedBlocklet());
+ blockletIterator = list.iterator();
return;
+ } else if (invalidSegments.size() > 0) {
+ // clear the segmentMap and from cache in executor when there are invalid segments
+ DataMapStoreManager.getInstance().clearInvalidSegments(table, invalidSegments);
}
- dataMaps = tableDataMap.getTableDataMaps(distributable.getDistributable());
- List<ExtendedBlocklet> blocklets = tableDataMap
- .prune(dataMaps,
- distributable.getDistributable(),
+ SegmentUpdateStatusManager updateStatusManager = new SegmentUpdateStatusManager(table);
+ DataMapStoreManager.getInstance()
+ .refreshSegmentCacheIfRequired(table, updateStatusManager, segmentsToLoad);
+ List<ExtendedBlocklet> blocklets = new ArrayList<>();
+ if (dataMapLevel == null) {
+ TableDataMap defaultDataMap = DataMapStoreManager.getInstance()
+ .getDataMap(table, distributable.getDistributable().getDataMapSchema());
+ dataMaps = defaultDataMap.getTableDataMaps(distributable.getDistributable());
+ if (table.isTransactionalTable()) {
+ blocklets = defaultDataMap.prune(dataMaps, distributable.getDistributable(),
Review comment:
No need to pass the uniqueid for default datamap
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