Re: PHP causing high number of NFS getattr operations?

On Fri, Feb 22, 2013 at 1:52 PM, Terry Ellison <Terry@ellisons.org.uk>wrote: > On 22/02/13 11:20, Ferenc Kovacs wrote: > > > My challenge is deciding (i) do I work on PHP 5.6 / 5.7 and the >> corresponding beta APC version which at current rates of adoption might >> have begin to have an impact in the community sometime in the next 5 years, >> or (ii) work on a performance patch to the stable APC version which is >> typically installed with PHP 5.3 which these guys could apply within a few >> months. >> > > or contribute those patches back and integrate them into the vanilla apc? > > Humm. I think that we are sort of saying the same thing, but at cross > purposes. Of course I should offer any up patches for mainstream APC and at > best these will go into 3.1.14 or 3.1.15 and may then get adopted sometime > for production systems whenever -- that's only if the release of a core O+ > doesn't drop APC into legacy status. > no comment on that, but I'm expecting/hoping that we will keep apc alive at least until we have supported versions where O+ isn't in the core (5.3 and 5.4). > > However Ubuntu 12.04-LTS is a good example of a stable production stack > and this uses PHP 5.3.10 and APC 3.1.7. Debian Squeeze is even further > behind and it runs PHP 5.3.3 and APC 3.1.3. > > A performance patch could also be made available based on the last stable > version of APC, say 3.1.9 -- that is before the attempts to support the new > PHP 5.4 features destabilised it. With this patch, then at least > individual system admins would have the option to download a stable version > from PECL + patch it to use with their production stacks within the next > 3-6 months. > I still think that it would be better kept as a release, and that we should try to have a release which is stable with both 5.3 and 5.4, but it's easier said than done. -- Ferenc Kovács @Tyr43l - http://tyrael.hu