KnightChess commented on PR #8760: URL: https://github.com/apache/hudi/pull/8760#issuecomment-1554338044
> > since the stats are going to remain intact before and after sorting (total valid values, min and max). So, even when sorting is enabled, we should not trigger clustering when file group count is just 1 > > I don't think so, the sorting is not for column stats, it is for query optimization, when the parquet file is sorted, less column group cound be touched while filtering the columns by filter predicates. yes agree, it can skip row group which not need by parquet filter use -- 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]
