Optimizations of SQL EXCEPT

2025-09-07 Thread Alexis Sarda-Espinosa
Hello, I'd like to write a job that will basically use EXCEPT [1] between 2 tables that will have roughly the same size. I see in the documentation that there are special optimizations like mini-batches for operations like joins, but it doesn't specify if EXCEPT is basically a join that discards m

Flink Metrics - Histogram

2025-09-07 Thread Ben Amiel
Hello everyone. I've been using Flink much to my pleasure. However, when trying to metric my application I have encountered hardships. From what I've seen the Prometheus exporter is reporting Flink's Histogram metric as a Summary. Unfortunately, this is a deal breaker for me when it comes to the me

Re: NullPointerException after enabling checkpoint file merging

2025-09-07 Thread Zakelly Lan
Hi Kevin, Thanks for the details. It's really helpful. I'm trying to reproduce this according to your setup. Will let you know if any updates. I create a jira issue to track this: https://issues.apache.org/jira/browse/FLINK-38327 Best, Zakelly On Thu, Sep 4, 2025 at 7:42 PM Kevin Kim wrote: