zhztheplayer commented on PR #11117: URL: https://github.com/apache/incubator-gluten/pull/11117#issuecomment-3596052171
> do you test it in tpc benchmark with remote object storage? in my case, tpcds q1 slow down by 10x. No I missed out the part that the encryption validation was disabled by default. I think PR #11233 should temporarily fix the problem. If Q1 is slowed down that much by footer reading, and provided Spark also needs to read the footers to infer Parquet schema, perhaps it might be beneficial if we follow Spark's practice to parallelize the footer reading in the future: https://github.com/apache/spark/blob/54cde812c2657717651156636041a84556619a5b/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/parquet/ParquetFileFormat.scala#L539-L561 -- 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]
