wzx140 commented on PR #11764: URL: https://github.com/apache/iceberg/pull/11764#issuecomment-2540416245
> Q: does it completely mitigate the flatness observed ? can you please attach the flame graph now ? Interesting find @wzx140 **Performance Comparison After Adding Cache** | Metric | Before Adding Cache | After Adding Cache | |-----------------------------|---------------------|--------------------| | Pre-execution Preparation Time | 154s | 18s | | Scan Spec Time | 142s | 5s | Pre-execution Preparation Time: the time interval from the first table load to the start of the first stage execution Scan Spec Time: added a timer to the method SparkPartitioningAwareScan#specs **Flame Graph** Before Adding Cache: https://drive.google.com/file/d/1o68Q6n1c-BD7xwfM7ETO6fjbC3jjrlOr/view?usp=drive_link After Adding Cache: https://drive.google.com/file/d/1YnGnEZ06Es7xs4fGVIZgnjDFS3L4cSR2/view?usp=drive_link -- 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: issues-unsubscr...@iceberg.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: issues-unsubscr...@iceberg.apache.org For additional commands, e-mail: issues-h...@iceberg.apache.org
