saurabhd336 commented on code in PR #11711:
URL: https://github.com/apache/pinot/pull/11711#discussion_r1342124565
##########
pinot-segment-local/src/main/java/org/apache/pinot/segment/local/segment/creator/impl/SegmentIndexCreationDriverImpl.java:
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@@ -313,6 +325,36 @@ private void handlePostCreation()
buildStarTreeV2IfNecessary(segmentOutputDir);
}
+ Set<IndexType> postSegCreationIndexes =
IndexService.getInstance().getAllIndexes().stream()
+ .filter(indexType -> indexType.getIndexBuildLifecycle() ==
IndexType.IndexBuildLifecycle.POST_SEGMENT_CREATION)
+ .collect(Collectors.toSet());
+
+ if (postSegCreationIndexes.size() > 0) {
+ // Build other indexes
+ Map<String, Object> props = new HashMap<>();
+ props.put(IndexLoadingConfig.READ_MODE_KEY, ReadMode.mmap);
Review Comment:
I'd say so.. This method will be called by any component when building a
segment (eg by the server when commiting consuming segment, by the minions when
building a segment, by spark job when building building and pushing data etc).
For example the PinotRecordReader always uses mmap (used by minion jobs to read
segment and build new segments out of it)
https://github.com/apache/pinot/blob/master/pinot-segment-local/src/main/java/org/apache/pinot/segment/local/segment/readers/PinotSegmentRecordReader.java#L116.
Any thoughts on this? I guess a new config can be used to specify the load
type.
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