Messages in this thread | | | Date | Mon, 22 Feb 1999 22:16:05 +0200 (EET) | From | Tuomas Heino <> | Subject | Re: Limit on number of SYSV shared memory objects in the kernel |
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On Mon, 22 Feb 1999, Fredrick Meunier wrote:
> Hello all, > My company has an application that relies on creating 100s of SYSV > semaphore arrays to control many processes reading a block of SYSV > shared memory. The default limit on the number of these objects in Linux > seems to be around 100. Is it possible to increase the number of these > objects that are available to the 1000 range (without reducing SHMMAX, > in fact preferably being able to increase SHMMAX to arbitrary size would > be very useful too)? What would it take to be able to allow this? > I think SHMMAX is run-time configurable up to a gigabyte... /proc/sys/kernel/shmmax haven't checked out the semaphore array limits yet so can't say anything about them yet ;)
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