ektravel commented on code in PR #16412: URL: https://github.com/apache/druid/pull/16412#discussion_r1607163092
########## docs/release-info/release-notes.md: ########## @@ -57,50 +57,765 @@ For tips about how to write a good release note, see [Release notes](https://git This section contains important information about new and existing features. +### Improved native queries + +Native queries can now group on nested columns and arrays. + +[#16068](https://github.com/apache/druid/pull/16068) + +Before realtime segments are pushed to deep storage, they consist of spill files. +Segment metrics such as `query/segment/time` now report on per spill file for a realtime segment, rather than for the entire segment. +This change eliminates the need to materialize results on the heap, which improves the performance of groupBy queries. + +[#15757](https://github.com/apache/druid/pull/15757) + +### Concurrent append and replace improvements + +Improved concurrent replace to work with supervisors using concurrent locks. + +[#15995](https://github.com/apache/druid/pull/15995) + +You can now grant locks with different types (EXCLUSIVE, SHARED, APPEND, REPLACE) for the same interval within a task group to ensure a transition to a newer set of tasks without failure. +Previously, changing lock types in the Supervisor could lead to segment allocation errors due to lock conflicts for the new tasks when the older tasks are still running. + +[#16369](https://github.com/apache/druid/pull/16369) Review Comment: Updated. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
