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Posted to issues@flink.apache.org by "Aitozi (via GitHub)" <gi...@apache.org> on 2023/03/02 09:52:31 UTC

[GitHub] [flink] Aitozi commented on pull request #22044: [FLINK-30971][table-planner] Modify the default value of parameter 'table.exec.local-hash-agg.adaptive.sampling-threshold'

Aitozi commented on PR #22044:
URL: https://github.com/apache/flink/pull/22044#issuecomment-1451591776

   > However, for these batch jobs with high parallelism in produce environment, the amount of data in single parallelism is almost less than 5000000. Therefore, after testing, we found that set to 500000 can get better results.
   
   Hi @swuferhong , How much is the performance diff shown in your production environment ?


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