I know what you said,  there maybe need more people to discuss this topic,
I want to know other's opinion, how do they think this question



Best Regards
---------------
DolphinScheduler(Incubator) PPMC
Lidong Dai 代立冬
dailidon...@gmail.com
---------------


GabryWu <wu_shao_...@qq.com> 于2020年5月19日周二 上午7:19写道:

> not actually. I mean refactor backend code to remove DAG, where only JOB
> and DEPENDENCY remained
>
> ---Original---
> *From:* "lidong dai"<dailidon...@gmail.com>
> *Date:* Mon, May 18, 2020 22:47 PM
> *To:* "GabryWu"<wu_shao_...@qq.com>;
> *Cc:* "dev"<dev@dolphinscheduler.apache.org>;
> *Subject:* Re: How do you think Task DAG dependency and List dependency?
>
> I think your said is "List dependency", List dependency is also DAG, it's
> only different in use.  when use List dependency, you can add your upstream
> dependency for the task, this is convenient for hugely tasks in one
> workflow
>
>
> Best Regards
> ---------------
> DolphinScheduler(Incubator) PPMC
> Lidong Dai 代立冬
> dailidon...@gmail.com
> ---------------
>
>
> GabryWu <wu_shao_...@qq.com> 于2020年5月13日周三 上午11:08写道:
>
>> Until now ,DAG is one physical  concept, which means that DAG is heavy
>> class , and introduces other classes and stored in a big json field.
>> On the bigdata platform , DAG is not a good concept for Schedulers, which
>> can be abandoned.
>> If DAG was abandoned,   JOB and DEPENDENCY will simply the architecture
>> and make DolphinScheduler stabilize and extended easily and easier to
>> search jobs
>> However abandoning DAG doesn't mean remove DAG graph in the front end,
>> which is also an important visualization way for JOBs
>> We can add one Job and Dependency manually ,and visualize them in DAG
>> graph automatically
>>
>>
>>
>> ------------------ 原始邮件 ------------------
>> *发件人:* "lidong dai"<dailidon...@gmail.com>;
>> *发送时间:* 2020年5月12日(星期二) 下午5:26
>> *收件人:* "dev"<dev@dolphinscheduler.apache.org>;
>> *主题:* Re: How do you think Task DAG dependency and List dependency?
>>
>> yes, your description is proper, thanks
>>
>>
>> Best Regards
>> ---------------
>> DolphinScheduler(Incubator) PPMC
>> Lidong Dai 代立冬
>> dailidon...@gmail.com
>> ---------------
>>
>>
>> leon bao <leon...@apache.org> 于2020年5月12日周二 下午5:06写道:
>>
>> > i think you want to show the DAG using list mode.
>> > DS show DAG using graphic mode, that will have some problems:
>> >
>> > 1. once the number of tasks is large,  graphic mode will be confusing.
>> > 2. it is difficult to find the specified task in a complex DAG.
>> >
>> > lidong dai <dailidon...@gmail.com> 于2020年5月12日周二 下午4:31写道:
>> >
>> > > I want to say do we need to implement List dependency?
>> > >
>> > >
>> > >
>> > > Best Regards
>> > > ---------------
>> > > DolphinScheduler(Incubator) PPMC
>> > > Lidong Dai 代立冬
>> > > dailidon...@gmail.com
>> > > ---------------
>> > >
>> > >
>> > > JUN GAO <gaojun2...@gmail.com> 于2020年5月12日周二 下午12:26写道:
>> > >
>> > > > Hi , @lidong dai
>> > > > Sorry , I don`t know your mean about this .
>> > > > You want to discuss how to implement Task DAG dependency and List
>> > > > dependency ? Or discuss what is Task DAG dependency and List
>> > dependency ?
>> > > > you can show us what`s your need and ideas , So that we can know the
>> > > topic
>> > > > of discussion.
>> > > >
>> > > > Thank you !
>> > > >
>> > > > lidong dai <dailidon...@gmail.com> 于2020年5月11日周一 下午10:34写道:
>> > > >
>> > > > > hi ,
>> > > > >
>> > > > >    Task dependency between upstream and downstream  called List
>> > > > dependency
>> > > > > do you have ideas about this topic?
>> > > > >
>> > > > >
>> > > > >
>> > > > > Best Regards
>> > > > > ---------------
>> > > > > DolphinScheduler(Incubator) PPMC
>> > > > > Lidong Dai 代立冬
>> > > > > dailidon...@gmail.com
>> > > > > ---------------
>> > > > >
>> > > >
>> > > >
>> > > > --
>> > > >
>> > > > DolphinScheduler(Incubator)  PPMC
>> > > > Jun Gao 高俊
>> > > > gaojun2...@gmail.com
>> > > >
>> > >
>> >
>> >
>> > --
>> > DolphinScheduler(Incubator)  PPMC
>> > BaoLiang 鲍亮
>> > leon...@apache.org
>> >
>>
>>

Reply via email to