Jorg, If it is any help, on a Haswell compute node running CentOS 7 and kernel 3.10.0-229.el7.x86_64, see below What does ipcs -l return on your systems please?
~# sysctl -a | grep kernel.shm kernel.shm_rmid_forced = 0 kernel.shmall = 4294967296 kernel.shmmax = 4294967296 kernel.shmmni = 20960 also kernel.sem = 250 32000 100 128 ~# ipcs -l ------ Messages Limits -------- max queues system wide = 1024 max size of message (bytes) = 8192 default max size of queue (bytes) = 16384 ------ Shared Memory Limits -------- max number of segments = 20960 max seg size (kbytes) = 4194304 max total shared memory (kbytes) = 17179869184 min seg size (bytes) = 1 ------ Semaphore Limits -------- max number of arrays = 128 max semaphores per array = 250 max semaphores system wide = 32000 max ops per semop call = 100 semaphore max value = 32767 ##################################################################################### Scanned by MailMarshal - M86 Security's comprehensive email content security solution. ##################################################################################### Any views or opinions presented in this email are solely those of the author and do not necessarily represent those of the company. Employees of XMA Ltd are expressly required not to make defamatory statements and not to infringe or authorise any infringement of copyright or any other legal right by email communications. Any such communication is contrary to company policy and outside the scope of the employment of the individual concerned. The company will not accept any liability in respect of such communication, and the employee responsible will be personally liable for any damages or other liability arising. XMA Limited is registered in England and Wales (registered no. 2051703). Registered Office: Wilford Industrial Estate, Ruddington Lane, Wilford, Nottingham, NG11 7EP _______________________________________________ Beowulf mailing list, [email protected] sponsored by Penguin Computing To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf
