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_r279627134
##########
File path:
core/src/main/java/org/apache/carbondata/core/datamap/DistributableDataMapFormat.java
##########
@@ -85,33 +143,67 @@
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();
+ if (StringUtils.isNotEmpty(dataMapToClear)) {
+ List<TableDataMap> dataMaps =
+ DataMapStoreManager.getInstance().getAllVisibleDataMap(table);
+ List<TableDataMap> dataMapsTobeRemoved = new ArrayList<>();
+ for (TableDataMap tableDataMap : dataMaps) {
+ if (tableDataMap != null && dataMapToClear
+
.equalsIgnoreCase(tableDataMap.getDataMapSchema().getDataMapName())) {
+ tableDataMap.deleteSegmentDatamapData(
+ ((DataMapDistributableWrapper)
inputSplit).getDistributable().getSegment()
+ .getSegmentNo());
+ dataMapsTobeRemoved.add(tableDataMap);
+ }
+ }
+ dataMaps.removeAll(dataMapsTobeRemoved);
Review comment:
This remove will not work as tableDatamap does not override equals properly.
Please handle it.
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