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From Flavio Pompermaier <pomperma...@okkam.it>
Subject Re: Job scheduling
Date Thu, 18 Sep 2014 08:11:33 GMT
Yes I was referring exactly to that, I was also involved in the Dopa
project :)
So, at the moment what is the suggested way to schedule jobs with Flink?

On Thu, Sep 18, 2014 at 9:48 AM, Robert Metzger <rmetzger@apache.org> wrote:

> Are you referring to this project?
> https://github.com/TU-Berlin/dopa-scheduler
> Its not an official repository of the Flink (Stratosphere) project. I
> think a PhD student at TU Berlin created the code there.
> On Thu, Sep 11, 2014 at 4:29 PM, Flavio Pompermaier <pompermaier@okkam.it>
> wrote:
>> Of course with Flink I could in principle execute almost everything with
>> a single Job but, in general, I could write 2 different jobs and decide
>> from time to time when the second should be run.
>> That's why also metheor scripts are very useful :)
>> From what I know there was a scheduler in Stratosphere that was using
>> RabbitMQ, right?
>> I would like to avoid to run linux commands and instead use some REST
>> interface to trigger or schedule jobs.
>> Best,
>> Flavio
>> On Thu, Sep 11, 2014 at 4:07 PM, Fabian Hueske <fhueske@apache.org>
>> wrote:
>>> Hi Flavio,
>>> what exactly do you mean by scheduling?
>>> Do you want to run a job in regular intervals or execute a complex
>>> workflow?
>>> Oozie is primarily used to orchestrate the execution of MapReduce
>>> workflows. Since, MR is a rather inflexible programming model, complex
>>> tasks need to split up into multiple dependent jobs that are executed once
>>> their predecessors have finished. Oozie orchestrates this execution.
>>> In Flink, you can build a complex analysis flow as a single program and
>>> execute it. Hence, there is no need for a workflow scheduler such as Oozie.
>>> If you want to run a job in regular intervals, you can configure a cron
>>> job, that starts executes the CLI client or implement a Java or Scala
>>> program that submits jobs a certain points in time.
>>> Best, Fabian
>>> 2014-09-11 15:36 GMT+02:00 Flavio Pompermaier <pompermaier@okkam.it>:
>>>> Hi to all,
>>>> I'd like to know if there's an example of how to schedule a Job in
>>>> Flink.
>>>> Do we still need something like Oozie or Quartz or we can avoid them?
>>>> Best,
>>>> Flavio

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