[GitHub] flink issue #2642: [FLINK-3999]: Rename the `running` flag in the drivers to...

2016-10-20 Thread StephanEwen
Github user StephanEwen commented on the issue:

https://github.com/apache/flink/pull/2642
  
@nssalian Thanks for understanding.

We as a community together have actually gone into that mode (more 
conservative and stability focused) not too long ago. So it is still a bit of a 
learning process for everyone here (committers and contributors).


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[GitHub] flink issue #2642: [FLINK-3999]: Rename the `running` flag in the drivers to...

2016-10-19 Thread nssalian
Github user nssalian commented on the issue:

https://github.com/apache/flink/pull/2642
  
Thanks @uce, agreed, it would be a community effort indeed. I will try to 
help as much as possible.
 @ggevay, it's alright. I'll close the PR. 


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[GitHub] flink issue #2642: [FLINK-3999]: Rename the `running` flag in the drivers to...

2016-10-19 Thread uce
Github user uce commented on the issue:

https://github.com/apache/flink/pull/2642
  
@nssalian Your suggestion regarding JIRAs makes very much sense. Let's try 
to ensure that this does not happen again. But no single person can do this 
alone... we have to do it as a community.



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[GitHub] flink issue #2642: [FLINK-3999]: Rename the `running` flag in the drivers to...

2016-10-18 Thread ggevay
Github user ggevay commented on the issue:

https://github.com/apache/flink/pull/2642
  
OK, I see your point now @StephanEwen.
@nssalian, I'm sorry for opening the jira; I didn't think it through from 
this perspective at the time.


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[GitHub] flink issue #2642: [FLINK-3999]: Rename the `running` flag in the drivers to...

2016-10-18 Thread nssalian
Github user nssalian commented on the issue:

https://github.com/apache/flink/pull/2642
  
@StephanEwen ,thanks for that, that makes sense. But it is hard for someone 
new to understand the problem you mention. If someone familiar with the 
product, could review new JIRAs for clear benefit / validity, that would 
encourage folks jumping on the tasks to know it better. I realize it may not be 
feasible but it saves time too to let them know in advance. I can certainly 
close the PR and make it Not a Problem. But if there is a better way to have 
this clearer , I would appreciate it before the effort is put in. 


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[GitHub] flink issue #2642: [FLINK-3999]: Rename the `running` flag in the drivers to...

2016-10-18 Thread StephanEwen
Github user StephanEwen commented on the issue:

https://github.com/apache/flink/pull/2642
  
I am a bit skeptical about these types of changes.

Maintaining stability of Flink is crucially important now. With changes 
like these we risk introducing subtle bugs without fixing a bug or improving a 
functionality or anything. It just changes a naming preference.

The kind of bugs one can introduce with changes like that are very subtle 
(we have seen that in cases where the cancelling logic was fragile depending on 
how the flag was exactly set) and hard to catch all in reviews. Not everything 
is fully covered by bullet proof tested in practice.

I would actually suggest to rather contribute on issues where there is a 
clearer benefit.


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[GitHub] flink issue #2642: [FLINK-3999]: Rename the `running` flag in the drivers to...

2016-10-18 Thread nssalian
Github user nssalian commented on the issue:

https://github.com/apache/flink/pull/2642
  
@ggevay  they are not related.. I think it caught from me old branch on to 
this one. The 3 in the middle2ef4401,46d91b0,1433a5d are 
relevant here. Apologies for the mix up. 


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[GitHub] flink issue #2642: [FLINK-3999]: Rename the `running` flag in the drivers to...

2016-10-18 Thread ggevay
Github user ggevay commented on the issue:

https://github.com/apache/flink/pull/2642
  
Could you please explain why are the first and last commit 
(65b3ff78f100ed1b13ec2fcc727f4869823b5918 and 
ba4f429043f3985db5ab37a3902a6fee15a7440e) necessary? Are they related to 
FLINK-3999?


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