Hi Ramesh,

Apart from Till recommended, internal classes go with document around the
source code define them,
and for the "practices" part, maybe you can take a look at their tests.

But after all, these are all about Flink dev topics and so unstable to be
used in production codes.

Best,
tison.


Till Rohrmann <trohrm...@apache.org> 于2018年10月2日周二 下午9:51写道:

> Hi Ramesh,
>
> the JobGraph, JobVertex, JobGraphGenerator, etc. are all internal classes
> for which the community does not give any stability guarantees. Thus, they
> can change from one version to another breaking all your programs.
> Therefore, I would not recommend using these primitives if you are not
> willing to resolve potential version upgrade problems.
>
> Apart from that, there is only little documentation for these components.
> The best documentation is actually the code.
>
> Cheers,
> Till
>
> On Tue, Oct 2, 2018 at 3:21 PM Ramesh Byndoor <in.rames...@gmail.com>
> wrote:
>
> > Team,
> >
> > would like to create jobs from DAG's with details which is maintained
> > externally(Filters, transform and Stream SQL). Idea is to create JobGraph
> > and submit to Flink. I have started looking into JobGraph, Job, Vertex,
> > JobGenerator from flink low level API's, Looks promising but is there any
> > guidelines documented or any better practices for the same. Are these
> used
> > by any in the community.?
> >
>

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