akashrn5 commented on a change in pull request #3986:
URL: https://github.com/apache/carbondata/pull/3986#discussion_r510001358
##########
File path:
processing/src/main/java/org/apache/carbondata/processing/merger/CarbonDataMergerUtil.java
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@@ -1138,73 +1126,36 @@ private static Boolean
checkUpdateDeltaFilesInSeg(Segment seg,
}
/**
- * Check is the segment passed qualifies for IUD delete delta compaction or
not i.e.
- * if the number of delete delta files present in the segment is more than
- * numberDeltaFilesThreshold.
+ * Check whether the segment passed qualifies for IUD delete delta
compaction or not,
+ * i.e., if the number of delete delta files present in the segment is more
than
+ * numberDeltaFilesThreshold, this segment will be selected.
*
- * @param seg
- * @param segmentUpdateStatusManager
- * @param numberDeltaFilesThreshold
- * @return
+ * @param seg segment to be qualified
+ * @param segmentUpdateStatusManager segments & blocks details management
+ * @param numberDeltaFilesThreshold threshold of delete delta files
+ * @return block list of the segment
*/
- private static boolean checkDeleteDeltaFilesInSeg(Segment seg,
+ private static List<String> checkDeleteDeltaFilesInSeg(Segment seg,
SegmentUpdateStatusManager segmentUpdateStatusManager, int
numberDeltaFilesThreshold) {
+ List<String> blockLists = new ArrayList<>();
Set<String> uniqueBlocks = new HashSet<String>();
List<String> blockNameList =
segmentUpdateStatusManager.getBlockNameFromSegment(seg.getSegmentNo());
-
- for (final String blockName : blockNameList) {
-
- CarbonFile[] deleteDeltaFiles =
+ for (String blockName : blockNameList) {
+ List<String> deleteDeltaFiles =
segmentUpdateStatusManager.getDeleteDeltaFilesList(seg, blockName);
- if (null != deleteDeltaFiles) {
- // The Delete Delta files may have Spill over blocks. Will consider
multiple spill over
Review comment:
please do not delete the existing comments in code, add it back
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