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Ada Wong commented on FLINK-25218: ---------------------------------- We could import guava cache to cache the same primary key rows. > Performance issues with lookup join accessing external dimension tables > ------------------------------------------------------------------------ > > Key: FLINK-25218 > URL: https://issues.apache.org/jira/browse/FLINK-25218 > Project: Flink > Issue Type: Improvement > Components: Table SQL / API > Affects Versions: 1.15.0 > Reporter: ZhuoYu Chen > Priority: Major > > Current lookup join: for each input data, access the external dimension table > to get the result and output a data > Implement a lookup join that can improve performance by batching and delaying -- This message was sent by Atlassian Jira (v8.20.1#820001)