On 16/05/13 14:24, Jared Morrow wrote:
Well the riak-cs / riak / stanchion scripts all drop privileges using
sudo. On RHEL/Centos this sudo exec carries the settings from the
calling user (in the case of init.d, root) so things are fine there. On
Ubuntu/Debian that does not always work. So if you set the ulimit for
the root user, it might not propagate through to the riak-cs / riak /
stanchion users.
So to change that, you should try to change it in /etc/security/limits.conf.
My understanding is that only sessions opened through PAM will be
effected by the limits.d/* config files. ie. Not daemon processes.
(I've checked this anyway with the following
/etc/security/limits.d/riakcs.conf:
riak-cs hard nofile 32002
riak-cs soft nofile 32001
)
As noted previously, this problem was not occurring on the current
Ubuntu LTS nodes; just the Debian Squeeze ones. Which makes it
particularly odd.
Thanks for your help so far; I'll continue to investigate and report
back if I find a solution.
-T
On Wed, May 15, 2013 at 9:54 PM, Toby Corkindale
<toby.corkind...@strategicdata.com.au
<mailto:toby.corkind...@strategicdata.com.au>> wrote:
I added some debugging to the /etc/init.d/riak-cs script.
As far as it's concerned the ulimit has been successfully increased
in there, right before it calls start-stop-daemon.
Is it possible that part of the Debian infrastructure is dropping
privileges?
On 16/05/13 12:34, Toby Corkindale wrote:
I'm confused -- I'm still seeing some warnings from Riak/RiakCS
about
the ulimit being set too low, even though I *am* increasing it.
What am I doing wrong here?
# cat /etc/default/riak-cs
ulimit -n 32000
# ulimit -n 8192
# service riak-cs start
!!!!
!!!! WARNING: ulimit -n is 1024; 4096 is the recommended minimum.
!!!!
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