turboFei commented on PR #3030: URL: https://github.com/apache/parquet-java/pull/3030#issuecomment-2405671050
This is the testing 3years ago on Spark-2.3. <img width="815" alt="image" src="https://github.com/user-attachments/assets/2f426e33-c47d-4224-91cb-89080a7dd8b1"> It reduces 3/2 hdfs RPC requests to namenode. And after this Spark patch in community [https://github.com/apache/spark/pull/39950]([SPARK-42388][SQL] Avoid parquet footer reads twice in vectorized reader), the solution might reduce 1/2 hdfs RPC requests. -- 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]
