Hi David,

Thanks for driving this. I'd like to second Emre, especially the second
suggestion. In practice, the parallelism number could be big. Users will be
frustrated, if they have to click hundred or even more times in order to
reach the wished number. Anyone who will take over the design task, please
count it in while designing the new UX/UI. Thanks!

Best regards,
Jing


On Fri, May 19, 2023 at 1:07 PM Kartoglu, Emre <kar...@amazon.co.uk.invalid>
wrote:

> Hi David,
>
> This looks awesome. I am no expert on UI/UX, but still have opinions 😊
>
> I normally use the Overview tab for monitoring Flink jobs, and having
> control inputs there breaks my assumption that Overview is “read-only” and
> for “watching”.
> Having said that for “educational purposes” that might actually be a good
> place - I am imagining there would be a “educationalMode: true” flag or
> something somewhere to enable these buttons (and other educational bits in
> future).
>
> The “educational purpose” bit makes me a lot more relaxed about having
> those buttons as they are in the video!
>
> Couple other things to consider:
>
>
>   *   Confirming new parallelism before actually doing it, e.g. having a
> “Deploy/Commit/Save” button
>   *   Allow users to enter parallelism without having to
> increment/decrement one by one
>
> Thanks,
> Emre
>
> On 2023/05/19 06:49:08 David Morávek wrote:
> > Hi Everyone,
> >
> > In FLINK-31471, we've introduced new "in-place rescaling features" to the
> > Web UI that show up when the scheduler supports FLIP-291 REST endpoints.
> >
> > I expect this to be a significant feature for user education (they have
> an
> > easy way to try out how rescaling behaves, especially in combination
> with a
> > backpressure monitor) and marketing (read as "we can do fancy demos").
> >
> > However, the current sketch is not optimal due to my lack of UI/UX
> skills.
> >
> > Are there any volunteers that could and would like to help polish this?
> >
> > Here is a short demo [2] of what the current implementation can do.
> >
> > [1] https://issues.apache.org/jira/browse/FLINK-31471
> > [2] https://www.youtube.com/watch?v=B1NVDTazsZY
> >
> > Best,
> > D.
> >
>

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