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[GitHub] [carbondata] ajantha-bhat commented on a change in pull request #4044: [CARBONDATA-4062] Refactor clean files feature

Posted by GitBox on Dec 07, 2020; 5:54am
URL: http://apache-carbondata-dev-mailing-list-archive.168.s1.nabble.com/GitHub-carbondata-QiangCai-opened-a-new-pull-request-4044-CARBONDATA-4062-Refactor-clean-files-featue-tp104338p104391.html


ajantha-bhat commented on a change in pull request #4044:
URL: https://github.com/apache/carbondata/pull/4044#discussion_r537248838



##########
File path: core/src/main/java/org/apache/carbondata/core/util/CleanFilesUtil.java
##########
@@ -163,8 +164,13 @@ private static void getStaleSegmentFiles(CarbonTable carbonTable, List<String> s
     }
     Set<String> loadNameSet = Arrays.stream(details).map(LoadMetadataDetails::getLoadName)
         .collect(Collectors.toSet());
-    List<String> staleSegments = segmentFiles.stream().filter(segmentFile -> !loadNameSet.contains(
-        DataFileUtil.getSegmentNoFromSegmentFile(segmentFile))).collect(Collectors.toList());
+    // get all stale segment files, not include compaction segments

Review comment:
       please add a detail comments about why we need to ignore stale compacted (x.y) segment.




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