[GitHub] flink pull request: [FLINK-2591]Add configuration parameter for de...

[willmiao]

Github user willmiao closed the pull request at:

https://github.com/apache/flink/pull/1107


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[GitHub] flink pull request: [FLINK-2591]Add configuration parameter for de...

[willmiao]

Github user willmiao commented on the pull request:

https://github.com/apache/flink/pull/1107#issuecomment-139531959
  
I'm sorry that something went wrong with my original repository. So, I open 
a new PR, and this one will be closed.


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[GitHub] flink pull request: [FLINK-2591]Add configuration parameter for de...

[rmetzger]

Github user rmetzger commented on the pull request:

https://github.com/apache/flink/pull/1107#issuecomment-138885088
  
I agree with your proposal! If `yarn.defaultNumberOfTaskManagers` is set to 
an invalid value, we should make `-n` required.


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[GitHub] flink pull request: [FLINK-2591]Add configuration parameter for de...

[willmiao]

GitHub user willmiao opened a pull request:

https://github.com/apache/flink/pull/1107

[FLINK-2591]Add configuration parameter for default number of yarn 
containers

https://issues.apache.org/jira/browse/FLINK-2591
Add configuration parameter for default number of yarn containers

You can merge this pull request into a Git repository by running:

$ git pull https://github.com/willmiao/flink master

Alternatively you can review and apply these changes as the patch at:

https://github.com/apache/flink/pull/1107.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

This closes #1107


commit c1d65cae4e301a1483929b360ddcc96ad34eff31
Author: Will Miao 
Date:   2015-09-08T14:58:38Z

FLINK-2591

https://issues.apache.org/jira/browse/FLINK-2591




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[GitHub] flink pull request: [FLINK-2591]Add configuration parameter for de...

[rmetzger]

Github user rmetzger commented on the pull request:

https://github.com/apache/flink/pull/1107#issuecomment-138600722
  
Thanks a lot for opening the pull request.
Can you change the behavior of this a little bit to make the `-n` argument 
a required argument again? (if the config param is not set)
I think this behavior is the best:
if `yarn.numberOfTaskManagers` == -1 (default value): users have to supply 
the `-n` argument.
If `yarn.numberOfTaskManagers` is set to `>= 1`, the value will be used by 
default.
If `yarn.numberOfTaskManagers` is set to `>= 1` and the user specified 
`-n`, the value of `-n` will have priority.

Can you rename the configuration value to 
`yarn.defaultNumberOfTaskManagers`?

Can you add a test into the `flink-yarn-tests` which is using a 
configuration file with `yarn.defaultNumberOfTaskManagers` set to `1` WITHOUT a 
`-n` argument to see if everything is working as expected?


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[GitHub] flink pull request: [FLINK-2591]Add configuration parameter for de...

[willmiao]

Github user willmiao commented on the pull request:

https://github.com/apache/flink/pull/1107#issuecomment-138772421
  
Hi rmetzger, I've got a question: what if yarn.defaultNumberOfTaskManagers 
is set to a invalid value, say -2? Should user have to supply the -n argument?


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[GitHub] flink pull request: [FLINK-2591]Add configuration parameter for de...

[willmiao]

Github user willmiao commented on the pull request:

https://github.com/apache/flink/pull/1107#issuecomment-138774833
  
Hi rmetzger,
 I've got a question: what if yarn.defaultNumberOfTaskManagers is set to a 
invalid value, say -2? Should users have to supply the -n argument?
I was thinking this behavior may be appropriate:
If yarn.defaultNumberOfTaskManagers < 1 (not set or invalide value): users 
have to supply the -n argument.
else if the user specified -n, the value of -n will have priority.
else, yarn.defaultNumberOfTaskManagers value will be used by default.

What do you think?


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[GitHub] flink pull request: [FLINK-2591]Add configuration parameter for de...

[willmiao]

Github user willmiao commented on the pull request:

https://github.com/apache/flink/pull/1107#issuecomment-138603922
  
Thanks for your advices, I'll fix it


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