Re: [Apc-cache] Problem with apc and apachectl
You're leaking semaphores, APC doesn't seem to always clean up after
Do an "apachectl stop", then execute the following command:
ipcs -s -t | cut -f 1 -d " " | egrep "^[0-9]+$" | xargs ipcrm sem
WARNING: if you have anything else on your system that uses semaphores,
this could be trouble! On my system it works fine, but on yours it
Never do an "apachectl restart" or "apachectl configtest", as these seem
to be guaranteed to leak semaphores. I think if you do "apachectl stop"
and wait a few seconds, it actually cleans up properly. You have to get
a clean slate first though, so stop apache and run the above command to
clean up the mess, and from now on always stick to start and stop, never
That's my experience, anyway... I haven't looked at the code for it, so
I don't know exactly what's going on in there.
On Wed, 2002-04-03 at 09:00, Andres Junge Mac-Evoy wrote:
> I have installed apc (php4-apc 1.1.0pl1-5), and it seems to work very well.
> The scripts get loaded 200% times faster (very impressive).
> The only problem I have is when i try to use 'apachectl configtest' i get
> the following error:
> apc_sem_create: semget(0,...) failed: No space left on device
> The disk empty as df -k says:
> df -k
> Filesystem 1k-blocks Used Available Use% Mounted on
> /dev/hda5 482217 82434 374884 19% /
> /dev/hda2 124427 783 117220 1% /boot
> /dev/hda6 12294200 784904 10884772 7% /usr
> /dev/hda7 12294200 117224 11552452 2% /var
> /dev/hda8 12286552 1440144 10222288 13% /home
> So i really don´t know what is the problem.
> In php.ini i have the following configuration:
> Any idea?
> Thanx in advance.
> Other useful (maybe) data:
> php4-apc 1.1.0pl1-5
> php4 4.1.1-1
> apache 1.3.22-5
> Apc-cache mailing list
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