Re: APC shared Memory Problem

I increased the number of segments apc.shm_segments=3 Everything seems to be working fine. I'm keeping my eyes open on the memory usage. On Tue, 08 Feb 2005 21:14:32 -0800, Rasmus Lerdorf <rasmus@lerdorf.com> wrote: > Ammar Ibrahim wrote: > > I have enabled APC for a high traffic website. Everything was working > > fine for week. Then Suddenly I started to get 500 internal Server > > Error. > > > > Checking the apache error Log gives me: > > > > "... [apc-warning] unable to cache '..... .php': insufficient shared > > memory available" > > > > Did anybody run into this problem? Do I need to raise Kernel Shared > > memory restrictions and/or apc.shm*? > > > > And is there a way to disable APC automatically when this happens > > again? can I give APC unlimited memory? > > > > I'd appreciate anyhelp here, thanks > > The version of APC you have doesn't do any sort of cache expiry. Once > you fill the cache, that's it. Further files will not be cached and you > will get that warning in your logs. It shouldn't be sending a 500 > because of this, nor should it crash. Your crash may very well be > unrelated, although it doesn't handle running out of shared memory all > that gracefully. > > You have a couple of options. Either disable caching for everything > except your most accessed pages to make sure you never run out of shared > memory, or try the current cvs version from cvs.php.net/pecl/apc which > has a bunch of new code to help address this very problem. See the > bottom half of the INSTALL file in CVS for a list of the new directives > available. > > -Rasmus >