I think you could also configure the same Persistent Volume for all the JobManagers and mount it to /path/of/job-jars in Pod. After that, set the config option "web.upload.dir: /path/of/job-jars". This will make the web submission works for multiple JobManagers.
Best, Yang Till Rohrmann <trohrm...@apache.org> 于2021年2月16日周二 上午12:24写道： > No, there is no need after the job has been submitted. It's only that the > web ui based submission is a two step process where you 1) upload the jar > and 2) submit it. If you should access between 1) and 2) a different rest > server, then the new rest server won't know about the uploaded jar. > > Cheers, > Till > > On Mon, Feb 15, 2021 at 11:41 AM Chirag Dewan <chirag.dewa...@yahoo.in> > wrote: > >> Thanks Till, that sounds fantastic. >> >> Is there any need for all Job Managers to see the jar after a job is >> running? >> >> I plan to sync the leader address from the config map and might always >> end up at the leader. >> >> Thanks >> Chirag >> >> On Monday, 15 February, 2021, 03:16:50 pm IST, Till Rohrmann < >> trohrm...@apache.org> wrote: >> >> >> Hi Chirag, >> >> when starting standby JobManagers, then Flink will already start a web >> server for each process for serving REST requests. These servers will, >> however, not necessarily ask the JobManager they have been started with but >> always forward requests to the current leading JobManager. That way all web >> UIs are responsive but they all query the current leader. So for querying >> information you don't need to know which process is currently the leader. >> >> One thing to add is that when uploading jars for the web submission, only >> the web server to which you uploaded the jar will see it. >> >> Cheers, >> Till >> >> On Mon, Feb 15, 2021 at 9:38 AM Chirag Dewan <chirag.dewa...@yahoo.in> >> wrote: >> >> Hi, >> >> We configured Job Manager HA with Kubernetes strategy and found that the >> Web UI for all 3 Job Managers is accessible on their configured rpc >> addresses. There's no information on the Web UI that suggests which Job >> Manager is the leader or task managers are registered to. However, from the >> logs I can see that Task Manager is registered with one Job Manager and if >> it's unavailable, Task Manager can switch to standby instance. >> >> Having little to no experience on HA, I wanted to know if this is the >> expected behavior. I was assuming that only the leader Web UI would be >> accessible? >> >> Thanks, >> Chirag >> >>
