John P. Looney wrote:
> I'm not sure why, but all the semaphore arrays on a machine are used. All
> 128 of them.
>> Most are owned by root, some are owned by apache. I restarted apache, and
> it didn't reduce the numbers owned by it! Is there a way that you can
> find out what process has these open, so I can kill it ? Can you increase
> these numbers in runtime ?
I've seen this happen if apache is killed abruptly.
To remove the dangling semaphores just,
Stop apache and then (as root):
ipcs -s | grep apache | awk '{ print $2 }' | xargs ipcrm sem
ct
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