[GitHub] [spark] mridulm edited a comment on pull request #34092: [SPARK-36827][CORE] Improve the perf and memory usage of cleaning up stage UI data

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mridulm edited a comment on pull request #34092:
URL: https://github.com/apache/spark/pull/34092#issuecomment-926406914


   I am guessing the minor perf difference for level db would be the sort being done after pulling all data vs pushing the sort to the store.
   One option is to batch all the deletes together, instead of doing it one by one - which should make level db updates also faster ?
   
   For reference, there is a `LevelDB.writeAll` that was added - something similar for delete should help.


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