2015-02-04 21:10 GMT+01:00 David Lang <[email protected]>: > 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. > > Did you get the new error message and, if so, what did it say?
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