Re: [PATCH 1/2] ipc semaphores: reduce ipc_lock contention in semtimedop

Manfred Spraul
2010-04-15T16:33:09Z

On 04/14/2010 09:50 PM, Chris Mason wrote:
> On a big system I saw about 4000 semaphores total. The database will
> just allocate as many as it can into a single array and keep creating
> arrays until it has all it needs.
>
>
What happens if SEMMSL is reduced (first entry in /proc/sys/kernel/sem)?

--
Manfred