increase splitting for PU samples; using GEN-SIM from 720_pre6

[fabozzi]

increase splitting in gen2015(...) for pileup samples
using GEN-SIM from 720_pre6 in baseDataSetRelease

[cmsbuild]

A new Pull Request was created by @fabozzi for CMSSW_7_2_X.

increase splitting for PU samples; using GEN-SIM from 720_pre6

It involves the following packages:

Configuration/PyReleaseValidation

@cmsbuild, @davidlange6, @franzoni, @nclopezo, @vlimant can you please review it and eventually sign? Thanks.
@ghellwig this is something you requested to watch as well.
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@nclopezo you are the release manager for this.
You can merge this pull request by typing 'merge' in the first line of your comment.

[franzoni]

+1

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_7_2_X IBs unless changes or unless it breaks tests. @nclopezo can you please take care of it?

[cmsbuild]

+1
Tested at: 93904a5
https://cmssdt.cern.ch/SDT/jenkins-artifacts/pull-request-integration/PR-5469/1047/summary.html

[cmsbuild]

This pull request is fully signed and it will be integrated in one of the next CMSSW_7_2_X IBs unless changes (tests are also fine). @nclopezo can you please take care of it?

[davidlange6]

@fabozzi - belated question - what is the motivation here? It seems we are creating jobs that last only 5 minutes - this makes for rather inefficient operations (true even if later increased by a factor of 6 as discussed in the PPD meeting)