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ShreelekhyaG commented on a change in pull request #3988:
URL:
https://github.com/apache/carbondata/pull/3988#discussion_r611628424##########
File path: integration/spark/src/main/scala/org/apache/spark/sql/secondaryindex/util/SecondaryIndexUtil.scala
##########
@@ -217,8 +216,16 @@ object SecondaryIndexUtil {
}
if (finalMergeStatus) {
if (null != mergeStatus && mergeStatus.length != 0) {
+ // Segment file is not yet written during SI load, then we can delete old index
+ // files immediately. If segment file is already present and SI refresh is triggered, then
+ // do not delete immediately to avoid failures during parallel queries.
val validSegmentsToUse = validSegments.asScala
- .filter(segment => mergeStatus.map(_._2).toSet.contains(segment.getSegmentNo))
+ .filter(segment => {
Review comment:
we can either check or make default behavior for load/rebuild command. As reading segment file can be a costly operation, I have changed to `isFileExist`.
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