snleee commented on code in PR #10964:
URL: https://github.com/apache/pinot/pull/10964#discussion_r1239387645
##########
pinot-controller/src/main/java/org/apache/pinot/controller/helix/core/lineage/DefaultLineageManager.java:
##########
@@ -105,6 +107,11 @@ public void updateLineageForRetention(TableConfig
tableConfig, SegmentLineage li
}
}
+ @Override
+ public List<List<SegmentZKMetadata>>
getSegmentGroupsForMergeRollupTask(TableConfig tableConfig,
Review Comment:
I feel that this function doesn't belong to `LineageManager`? LineageManager
should not know about `MergeRollupTask`. MergeRollupTask should be the user of
the segment replace protocol.
Can you add a bit more information on what it means by `SegmentGroup` here?
If your intention is to inject the custom code to the MergeRollupTask,
please create a dedicated interface for that.
##########
pinot-controller/src/main/java/org/apache/pinot/controller/helix/core/lineage/LineageManager.java:
##########
@@ -70,4 +71,14 @@ void updateLineageForRevertReplaceSegments(TableConfig
tableConfig, String linea
*/
void updateLineageForRetention(TableConfig tableConfig, SegmentLineage
lineage, List<String> allSegments,
List<String> segmentsToDelete, Set<String> consumingSegments);
+
+ /**
+ * Get segment zk metadata groups for MergeRollupTask
+ * @param tableConfig
+ * @param lineage
+ * @param segments
+ * @return segment zk metadata groups
Review Comment:
Can you elaborate on the `segment zk metadata groups`?
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