On Mon, 2 Feb 2015, David Lang wrote:
On Fri, 19 Sep 2014, David Lang wrote:
On Fri, 19 Sep 2014, Masuda, Bond wrote:
I'm seeing a lot of these types of logs entries:
Sep 19 16:45:26 server400 rsyslogd-2354: omfwd: error sending via udp:
Resource temporarily unavailable [try http://www.rsyslog.com/e/2354 ]
Sep 19 16:45:26 server400 rsyslogd0: action 'DataForwarding-NETASS'
resumed (module 'builtin:omfwd') [try http://www.rsyslog.com/e/0 ]
Running rsyslog-8.4.0-2.el6 RPM from rsyslog_v8 repo on RHEL 6.5 64bit.
Is there some resource exhausting happening on my system? Any help
appreciated...
Probably, check for open files or the number of available ports
I'm running into the same type of thing happening occasionally on my central
logging server (running 8.7.0 currently) and so will be troubleshooting this
more.
This is a VM, and I suspect that what's happening is that the Ipv4 stack is
running out of memory for my connection, but before I just start throwing
more memory at udp connections I want to track down how to see how much
memory is being used to see if I'm hitting the limit.
increasing the udp_rmem and wmem settings didn't help (if anything it may have
made it worse)
What I did find extremely interesting is that on my ubuntu 14.04 server, if I am
logged in as a user, these errors happen. If I log out, they stop happening.
Even if I'm not doing anything noticable (like when I lock the screen and go to
lunch)
So now I'm suspecting that there is something odd going on as a result of
cgroups or some other thing that's trying to give my interactive session
priority over the 'background task' or something like that.
David Lang
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