wecharyu opened a new pull request, #11284: URL: https://github.com/apache/incubator-gluten/pull/11284
## What changes are proposed in this pull request? Spark default zstd compression leve is 3: https://github.com/apache/parquet-java/blob/7ec32846663782846615e835bd06859c75b8f6b0/parquet-hadoop/src/main/java/org/apache/parquet/hadoop/codec/ZstandardCodec.java#L52 But velox default compression level is 1: https://github.com/facebookincubator/velox/blob/a0bd1dd248c7def13dd17724e1569fd990515401/velox/dwio/parquet/writer/arrow/util/CompressionInternal.h#L76 So the output parquet size could be larger in gluten if user does not configure the `parquet.compression.codec.zstd.level`. Fix #11283 ## How was this patch tested? Test written file size locally. -- 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]
