llvm dev - Oct 2014 - [LLVMdev] New OS X and Jenkins based build cluster

I can see why that would annoy you.  The intent here was to beef up the OS X
testing, which had become really weak. This was a lateral move, we replaced an
old build master that was OS X with a new build master which is OS X.

At a technical level, there are lots of ways we could have a unified view over
all of the CI systems.  We need to sort out the who and what of project like
that.
> On Oct 27, 2014, at 10:39 AM, Chandler Carruth <chandlerc at
google.com> wrote:
> 
> So, I'm really unhappy with the proliferation of build masters. I used
to have a single webpage to go to and see whether I broke builders. I don't
even know how many I have now....
> 
> Is there a concrete plan to get back to a single build master? The Jenkins
page you pointed me too seems completely OS X specific... =[
> 
> On Mon, Oct 27, 2014 at 10:22 AM, Chris Matthews <chris.matthews at
apple.com <mailto:chris.matthews at apple.com>> wrote:
> I am happy to report our new Jenkins based build cluster is up and running:
> 
> http://lab.llvm.org:8080/green/ <http://lab.llvm.org:8080/green/>
> 
> This cluster is a major hardware update. The cluster has 10 builders + the
Jenkins master. All builders have SSDs and enough RAM to do LTO builds of clang.
> 
> Currently the cluster has:
> a cmake + ninja incremental builder
> a configure + make stage 1 builder
> a configure + make stage 2 builder with LTO
> a O3 LTO performance tracker
> 
> In the near future other jobs will be added:
> LLDB
> O0 -g performance tracker
> libcxx tester
> configure + make stage 3 build 
> 
> When I am convinced things are working, I will enabled emails to
developers, and the IRC bot.
> 
> This cluster is a replacement for the old Darwin buildbots here: 
> 
> http://lab.llvm.org:8013/builders <http://lab.llvm.org:8013/builders>
> 
> 
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On Mon, Oct 27, 2014 at 10:58 AM, Chris Matthews <chris.matthews at
apple.com>
wrote:
> I can see why that would annoy you.  The intent here was to beef up the OS
> X testing, which had become really weak. This was a lateral move, we
> replaced an old build master that was OS X with a new build master which is
> OS X.

Yes, I understand this didn't make anything worse, but it doesn't really
look like (yet) converging. It seems like it would maybe have been better
to discuss with folks whether Jenkins was the best way to go or instead the
existing zorg/buildbot infrastructure should be adapted to your needs. =[
Now the difference is larger and it looks like it will be harder to
converge again.
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On Mon, Oct 27, 2014 at 11:43 AM, Chandler Carruth <chandlerc at
google.com>
wrote:
>
> On Mon, Oct 27, 2014 at 10:58 AM, Chris Matthews <chris.matthews at
apple.com
> > wrote:
>
>> I can see why that would annoy you.  The intent here was to beef up the
>> OS X testing, which had become really weak. This was a lateral move, we
>> replaced an old build master that was OS X with a new build master
which is
>> OS X.
>
>
> Yes, I understand this didn't make anything worse, but it doesn't
really
> look like (yet) converging. It seems like it would maybe have been better
> to discuss with folks whether Jenkins was the best way to go or instead the
> existing zorg/buildbot infrastructure should be adapted to your needs. =[
> Now the difference is larger and it looks like it will be harder to
> converge again.
>
There was such a discussion:
http://lists.cs.uiuc.edu/pipermail/llvmdev/2014-August/075708.html
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