Re: Flink configuration at runtime

2019-11-19 Thread Robert Metzger
Hi Amran, thanks a lot for your message. I think this is a valid feature request. I've created a JIRA ticket to track it: https://issues.apache.org/jira/browse/FLINK-14856 (this does not mean this gets addressed immediately. However, there are currently quite some improvements to the

Re: Flink configuration at runtime

2019-11-18 Thread vino yang
Hi Amran, Change the config option at runtime? No, Flink does not support this feature currently. However, for Flink on Yarn job cluster mode, you can specify different config options for different jobs via program or flink-conf.yaml(copy a new flink binary package then change config file).

Re: Flink configuration at runtime

2019-11-18 Thread Zhu Zhu
Hi Amran, Some configs, including "state.checkpoints.num-retained", are cluster configs that always apply to the entire Flink cluster. An alternative is to use per-job mode if you are running Flink jobs on k8s/docker or yarn. Thus to create a Flink cluster for a single job. [1]

Flink configuration at runtime

2019-11-18 Thread amran dean
Is it possible to configure certain settings at runtime, on a per-job basis rather than globally within flink-conf.yaml? For example, I have a job where it's desirable to retain a large number of checkpoints via state.checkpoints.num-retained. The checkpoints are cheap, and it's low cost. For