[Ocfs2-users] OCFS2 and PHP is it related to ocfs2 ?

[Sunil Mushran]

Which process is pegging the CPU?
On May 2, 2014 6:12 AM, <molo.coc at web.de> wrote:

> We have two nodes which are serving PHP webpages with PHP5-FPM. Both Nodes
> are configured with drbd in dual primary mode.
> In our tests, if one of these two nodes get 10-20 Pagerefresh's at the
> same time,  the CPU are 100% in use.
> For these 10-20 Pagerequests the server are 1.5 minutes busy.
>
> Without OCFS (harddrive is formatted with ext4)  for the same 10-20
> requests, it tooks only 0.1 Seconds to complete.
> We only see a long running PHP Process which get timeouted sometime with
> '30 seconds exceeded for including a file' . We tried mounting the ocfs2
> device with 'noatime, nodiratime, data=writeback', but it didn't helped.
>
> does someone has a tip for us ?
> (If we use ocfs2 with icsci, there are no changes)
>
> thanks a lot!
>
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