zhongyujiang commented on issue #7797: URL: https://github.com/apache/iceberg/issues/7797#issuecomment-1590326411
Yea, 'write.target-file-size-bytes' can only split large files into files of the target size, and cannot merge small files. What's your table's `write.distribution-mode`, if it's `none`, try to change it to `hash` or `range`, In addition, you may also need to tune the Spark AQE parameters, (Assuming you are using Spark, don't know if other engines need additional tunning.) Please refer this [docs](https://iceberg.apache.org/docs/latest/spark-writes/#writing-distribution-modes) for more information, it do a good job of explaining how to control file size when using Spark. -- 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] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
