Re: Understanding flink-autoscaler behavior

2024-06-24 Thread Zhanghao Chen
59 To: Zhanghao Chen Cc: Gyula Fóra ; Oscar Perez via user Subject: Re: Understanding flink-autoscaler behavior Hello, After disabling the adaptive scheduler, I was able to have the operator stop the job with a savepoint, and resume the job from that savepoint after the upgrade. However I observed

Re: Understanding flink-autoscaler behavior

2024-06-24 Thread Chetas Joshi
cation-upgrades >> >> >> Best, >> Zhanghao Chen >> -- >> *From:* Chetas Joshi >> *Sent:* Thursday, June 13, 2024 6:33 >> *To:* Zhanghao Chen >> *Cc:* Sachin Sharma ; Gyula Fóra < >> gyula.f...@gmail.com>; O

Re: Understanding flink-autoscaler behavior

2024-06-12 Thread Chetas Joshi
ursday, June 13, 2024 6:33 > *To:* Zhanghao Chen > *Cc:* Sachin Sharma ; Gyula Fóra < > gyula.f...@gmail.com>; Oscar Perez via user > > *Subject:* Re: Understanding flink-autoscaler behavior > > Hi Zhanghao, > > If I am using the autoscaler (flink-k8s-operator) wi

Re: Understanding flink-autoscaler behavior

2024-06-12 Thread Zhanghao Chen
anagement/#stateful-and-stateless-application-upgrades Best, Zhanghao Chen From: Chetas Joshi Sent: Thursday, June 13, 2024 6:33 To: Zhanghao Chen Cc: Sachin Sharma ; Gyula Fóra ; Oscar Perez via user Subject: Re: Understanding flink-autoscaler behavior Hi Zhang

Re: Understanding flink-autoscaler behavior

2024-06-12 Thread Chetas Joshi
.8/docs/custom-resource/autoscaler/ > > > Best, > Zhanghao Chen > -- > *From:* Sachin Sharma > *Sent:* Saturday, June 8, 2024 3:02 > *To:* Gyula Fóra > *Cc:* Chetas Joshi ; Oscar Perez via user < > user@flink.apache.org> > *Subje

Re: Understanding flink-autoscaler behavior

2024-06-07 Thread Zhanghao Chen
8, 2024 3:02 To: Gyula Fóra Cc: Chetas Joshi ; Oscar Perez via user Subject: Re: Understanding flink-autoscaler behavior Hi, I have a question related to this. I am doing a POC with Kubernetes operator 1.8 and flink 1.18 version with Reactive mode enabled, I added some dummy slow and fast opera

Re: Understanding flink-autoscaler behavior

2024-06-07 Thread Sachin Sharma
Hi, I have a question related to this. I am doing a POC with Kubernetes operator 1.8 and flink 1.18 version with Reactive mode enabled, I added some dummy slow and fast operator to the flink job and i can see there is a back pressure accumulated. but i am not sure why my Flink task managers are n

Re: Understanding flink-autoscaler behavior

2024-06-07 Thread Gyula Fóra
Hi! To simplify things you can generally look at TRUE_PROCESSING_RATE, SCALUE_UP_RATE_THRESHOLD and SCALE_DOWN_RATE_THRESHOLD. If TPR is below the scale up threshold then we should scale up and if its above the scale down threshold then we scale down. In your case what we see for your source (cbc

Understanding flink-autoscaler behavior

2024-06-06 Thread Chetas Joshi
Hi Community, I want to understand the following logs from the flink-k8s-operator autoscaler. My flink pipeline running on 1.18.0 and using flink-k8s-operator (1.8.0) is not scaling up even though the source vertex is back-pressured. 2024-06-06 21:33:35,270 o.a.f.a.ScalingMetricCollector [DEBUG]