That will work until you reboot the system. In Red Hat you can modify the /etc/security/limits.conf
Remo > On Dec 19, 2016, at 09:57, John Petrini <jpetr...@coredial.com> wrote: > > Hi Preshant, > > You can change the open file limit of the running process by echoing the > value to it. For example... > > echo -n "Max open files=8192:unlimited" > /proc/<PID>/limits > > ___ > > John Petrini > > > > <http:/> > On Mon, Dec 19, 2016 at 12:21 PM, Prashant Shetty > <prashantshetty1...@gmail.com <mailto:prashantshetty1...@gmail.com>> wrote: > Hi Arne, > Thanks for your reply. Currently all these services are running on ubuntu > controller under screen. > Do we have any option to set the file limit option for n-api service in this > case?. I am not using systemd in my setup to run these services. > > Thanks, > Prashant > > On Mon, Dec 19, 2016 at 10:19 PM, Arne Wiebalck <arne.wieba...@cern.ch > <mailto:arne.wieba...@cern.ch>> wrote: > Prashant, > > If this is for systemd, how about changing the nova-api unit file? > > Something like > > —> > [Service] > ... > LimitNOFILE=65536 > <— > > should do it. > > Cheers, > Arne > > > >> On 19 Dec 2016, at 17:23, Prashant Shetty <prashantshetty1...@gmail.com >> <mailto:prashantshetty1...@gmail.com>> wrote: >> >> Team, >> >> I have scale setup and metadata requests are seems to fail from instance. >> Main reason for failure is "Max open files" limit(1024) set on nova-api >> service. >> Though on controller we have set max open file limit of 65k(limit.conf), >> nova-api always comes up with 1024 limit causing failure. >> >> Could someone let me know how can we change the max open files limit of >> nova-api service? >> >> Setup Details: >> >> · Single controller >> · 500 KVM computes >> · Devstack branch: stable/newton >> · We have native metadata and dhcp running on platform >> · 3750 instances >> >> >> stack@controller:/opt/stack/logs$ ps aux | grep nova-api >> stack 14998 2.2 0.3 272104 121648 pts/8 S+ 09:53 0:14 /usr/bin/python >> /usr/local/bin/nova-api >> stack@controller:/opt/stack/logs$ >> stack@controller:/opt/stack/logs$ >> stack@controller:/opt/stack/logs$ cat /proc/14998/limits >> Limit Soft Limit Hard Limit Units >> Max cpu time unlimited unlimited seconds >> Max file size unlimited unlimited bytes >> Max data size unlimited unlimited bytes >> Max stack size 8388608 unlimited bytes >> Max core file size unlimited unlimited bytes >> Max resident set unlimited unlimited bytes >> Max processes 128611 128611 processes >> Max open files 1024 4096 files >> Max locked memory 65536 65536 bytes >> Max address space unlimited unlimited bytes >> Max file locks unlimited unlimited locks >> Max pending signals 128611 128611 signals >> Max msgqueue size 819200 819200 bytes >> Max nice priority 0 0 >> Max realtime priority 0 0 >> Max realtime timeout unlimited unlimited us >> stack@controller:/opt/stack/logs$ >> >> n-api: >> >> >> 2016-11-08 18:44:26.168 30069 INFO nova.metadata.wsgi.server >> [req-fb4d729b-a1cd-4df1-aaf8-3f854a739cce - -] (30069) wsgi exited, >> is_accepting=True >> >> Traceback (most recent call last): >> >> File "/usr/local/lib/python2.7/dist-packages/eventlet/hubs/hub.py", line >> 457, in fire_timers >> >> timer() >> >> File "/usr/local/lib/python2.7/dist-packages/eventlet/hubs/timer.py", line >> 58, in __call__ >> >> cb(*args, **kw) >> >> File "/usr/local/lib/python2.7/dist-packages/eventlet/event.py", line 168, >> in _do_send >> >> waiter.switch(result) >> >> File "/usr/local/lib/python2.7/dist-packages/eventlet/greenthread.py", >> line 214, in main >> >> result = function(*args, **kwargs) >> >> File "/opt/stack/nova/nova/utils.py", line 1066, in context_wrapper >> >> return func(*args, **kwargs) >> >> File "/usr/local/lib/python2.7/dist-packages/eventlet/wsgi.py", line 865, >> in server >> >> client_socket = sock.accept() >> >> File "/usr/local/lib/python2.7/dist-packages/eventlet/greenio/base.py", >> line 214, in accept >> >> res = socket_accept(fd) >> >> File "/usr/local/lib/python2.7/dist-packages/eventlet/greenio/base.py", >> line 56, in socket_accept >> >> return descriptor.accept() >> >> File "/usr/lib/python2.7/socket.py", line 206, in accept >> >> sock, addr = self._sock.accept() >> >> error: [Errno 24] Too many open files >> >> >> >> Thanks, >> Prashant >> >> _______________________________________________ >> Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack >> <http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack> >> Post to : openstack@lists.openstack.org >> <mailto:openstack@lists.openstack.org> >> Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack >> <http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack> > > -- > Arne Wiebalck > CERN IT > > > > _______________________________________________ > Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > <http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack> > Post to : openstack@lists.openstack.org > <mailto:openstack@lists.openstack.org> > Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > <http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack> > > > !DSPAM:1,585821ba284381377620225! > _______________________________________________ > Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > Post to : openstack@lists.openstack.org > Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > > > !DSPAM:1,585821ba284381377620225!
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