wangyum opened a new pull request #32781: URL: https://github.com/apache/spark/pull/32781
### What changes were proposed in this pull request? This pr add support coalesce small output files through AQE. The basic logic is: Spark first tries to coalesce output files, if it cannot be coalesced, then try to use the local shuffle reader to read data avoid exchange the data over the network. ### Why are the changes needed? Avoid generating small files. ### Does this PR introduce _any_ user-facing change? No. ### How was this patch tested? Unit test. -- 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. For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
