[OpenAFS] Apache and Openafs

GALAMBOS Daniel dancsa@dancsa.hu
Thu, 26 Dec 2013 19:35:40 +0100

Thanks, it's an odd solution to remove cpu cores but worked.
The server had 8 vCPU with 6GiB RAM. After I removed 6 vCPU, it worked
as a dream. WIth downloading thread with AB and 20 000 requests, the
load was about 4 and the avg response time was is 70 ms.

I don't want to believe that this workaround is the only solution. The
prod server has proxy servers for our users' and i concerned about if
the 2 vCPU will be enough. (But it's an other story, has no connection
to AFS)



On 2013-12-26 17:29, Ken Dreyer wrote:
> On Thu, Dec 26, 2013 at 7:48 AM, GALAMBOS Daniel <dancsa@dancsa.hu> wrote:
>> When the same file hosted on the local filesystem the
>> avg response time decreased from 1800 ms to 50 ms and there are almost
>> no load.
> I remember beating my head against this problem as well. How many CPU
> cores are in your web servers? The Apache / AFS client cache
> performance dove off a cliff unless I restricted our Apache virtual
> machines to 2 CPUs.
> https://lists.openafs.org/pipermail/openafs-info/2011-September/036731.html
> - Ken
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