Different buildbot speeds

[Ryan Schmidt]

On Aug 25, 2013, at 15:59, Sean Farley wrote:
> On Sat, Aug 24, 2013 at 1:20 AM, Ryan Schmidt wrote:
>> For example, on the snowleopard buildbot, building the php55 subport:
>> 
>> DEBUG: build phase started at Thu Aug 22 21:30:32 PDT 2013
>> 
>> DEBUG: destroot phase started at Thu Aug 22 21:31:29 PDT 2013
>> 
>> The build phase took about a minute, with 8 make jobs. That about matches my MacBook Pro.
>> 
>> 
>> But on the mtln buildbot:
>> 
>> DEBUG: build phase started at Thu Aug 22 21:33:34 PDT 2013
>> 
>> DEBUG: destroot phase started at Thu Aug 22 21:56:58 PDT 2013
>> 
>> That took over 23 minutes. Way too log.
>> 
>> 
>> Are there some runaway processes on the lion and mtln buildbots using up the CPU?
> 
> You do realize all the buildbots are virtual machines and therefore
> you have to look at what the other buildbots were doing between Aug 22
> 21:33:34 PDT 2013 - Aug 22 21:56:58 PDT 2013, right? My first thought
> would be some kind of file i/o locking but that's just a shot in the
> dark.

The three buildbots were all building php. For previous updates of the port, all three buildbots would complete at roughly the same time. This time it was different and I'm trying to find out why and how to get things back to the way they were before.