[OpenAFS-devel] Re: [OpenAFS release-team] release-team jabber meeting August the 28th

[Jason Edgecombe]

This is a multi-part message in MIME format.
--------------090508010902000804040506
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit

On 09/16/2013 12:59 PM, Derek Atkins wrote:
> Hi Jason,
>
> Jason Edgecombe <jason@rampaginggeek.com> writes:
>
>> Hi Derek,
>>
>> We don't have a Fedora build slave, so that would be welcome. Would
>> your VM server be able to handle multiple slaves building at the same
>> time? In addition to the performance impact, I think that the group
>> was divided on whether dissimilar buildslaves would be acceptable.
> I think it depends whether it's CPU or I/O bound.  CPU sharing seems to
> work pretty well.. I/O, however, seems to impact the system.  I have a
> Win32 build server for GnuCash that runs and doesn't seem to cause
> issues; I double building OpenAFS would be a major drain on system
> resources.  I can always spool up one and see how it behaves.
I have attached the output of "sar -udp" for some time during one of the 
builds. It's definitely CPU-bound with heavy I/O, but you can be the 
judge. For a build slave, you can reduce I/O on ext3 filesystems by 
adding the "commit=60" mount option.


>> Here is a guide for setting up a buildslave:
>> http://openafs-wiki.stanford.edu/BuildbotSlaveHowto/
>>
>> Here is a puppet module for installing buildbot, but it's only for
>> Debian/Ubuntu at the moment:
>> https://github.com/edgester/puppet-module-buildbot
>>
>> I'll have to configure any new slaves on the master before that can
>> join the build pool.
>>
>> Let me know if you have any questions or problems.
> Which Fedora version(s) would you like to see?
>
Fedora 19 x86_64, please.

Thanks,
Jason



--------------090508010902000804040506
Content-Type: text/plain; charset=UTF-8;
 name="sar.txt"
Content-Transfer-Encoding: 7bit
Content-Disposition: attachment;
 filename="sar.txt"

10:10:01 AM     CPU     %user     %nice   %system   %iowait    %steal     %idle
10:15:01 AM     all      0.15      0.00      0.02      0.06      0.00     99.77
10:20:01 AM     all      0.08      0.00      0.02      0.07      0.00     99.83
10:25:01 AM     all      0.17      0.00      0.15      2.66      0.00     97.02
10:30:01 AM     all     71.37      0.00     10.14     11.86      0.00      6.64
10:35:01 AM     all     80.82      0.00      6.27      2.62      0.00     10.29
10:40:01 AM     all      0.57      0.00      0.06      1.74      0.00     97.63
10:45:01 AM     all      0.15      0.00      0.04      0.10      0.00     99.71
Average:        all     21.87      0.00      2.38      2.73      0.00     73.02

10:10:01 AM       DEV       tps  rd_sec/s  wr_sec/s  avgrq-sz  avgqu-sz     await     svctm     %util
10:15:01 AM       sda      0.18      0.00      2.88     16.30      0.00     19.40      5.43      0.10
10:20:01 AM       sda      0.16      0.00      1.92     11.76      0.00     19.51      6.94      0.11
10:25:01 AM       sda      6.76    113.04     31.60     21.41      0.23     33.63      4.20      2.84
10:30:01 AM       sda     32.59    506.99    635.61     35.06      7.87    240.45      7.00     22.83
10:35:01 AM       sda     22.49     59.96    954.79     45.12      6.25    279.31      5.19     11.67
10:40:01 AM       sda      1.56     41.82     18.46     38.73      0.45    287.03     13.35      2.08
10:45:01 AM       sda      0.34      2.03      4.21     18.53      0.01     21.78      5.27      0.18
Average:          sda      9.14    103.37    235.26     37.03      2.11    231.02      6.21      5.68


--------------090508010902000804040506--