Just tested without SourceTV, no difference at all.
On Sat, May 11, 2013 at 10:07 AM, Essay Tew Phaun <sc2p...@gmail.com> wrote: > So I've got two demos here. The first one, go to about tick 19000 and wait > to around the point where Fred 2.0 joins. The server drops to 5 frames. I > removed Sourcemod and recorded on another server. I wasn't able to get > those huge drops but there are big var spikes ~10 and it *seems* to happen > as clients join. > > http://dropcanvas.com/8itl3/1 > http://dropcanvas.com/8itl3/2 > > I can't think of what else it could be. We haven't changed anything about > the setup from before Steampipe to after. > > > On Mon, May 6, 2013 at 1:00 PM, Bjorn Wielens <uniac...@yahoo.ca> wrote: > >> >> >> Thanks for investigating, Fletcher. >> >> I can tell you that in our case, we have an 8 core system with no CPU >> affinity assigned (with 12 TF2 servers running comfortably with CPU to >> spare, srcds generally consumes 30% but can get mid 40s when full of >> players), Watching top, the load is fairly evenly distributed across the >> individual cores, and monitoring resource usage showed only one process >> spiking in usage at a time. >> >> >> For what it's worth, I haven't had the issue recur after disabling replay >> on the servers in question. For me, that would mean the next step is to >> re-enable it and see if the problem returns - I'll post back here when I >> get those results (though it's entirely possible that the additional replay >> overhead is the metaphorical straw on the camel's back) and any additional >> information I uncover. >> >> >> >> >> >> ________________________________ >> From: Fletcher Dunn <fletch...@valvesoftware.com> >> To: Half-Life dedicated Linux server mailing list < >> hlds_linux@list.valvesoftware.com> >> Cc: "Half-Life dedicated Win32 server mailing list ( >> h...@list.valvesoftware.com)" <h...@list.valvesoftware.com> >> Sent: Monday, May 6, 2013 1:41:18 PM >> Subject: Re: [hlds_linux] Huge sv drops and var spikes in net_graph 4. >> >> >> I was able to get a trace from a Windows server operator that was >> experiencing a similar problem. The problem in that case was that it was >> spending all of its time compressing snapshots. The problem was >> exacerbated by some process affinity settings which were counterproductive >> and putting all the threads on the same core, while other cores were idle. >> >> Tracking the overall CPU usage can be quite deceiving when investigating >> "lag". Lower CPU usage is not necessarily better! For example, in this >> case if the process affinity were not set and more cores were allowed to be >> used, then the CPU usage on this 4-core system would have gone above 25% >> for a shorter burst, which would have been preferable to it being pegged at >> 25% (a single core saturated for a longer period of time). >> >> I think it is a reasonable guess that his problem is similar to the one >> you guys are seeing. (Of course they could be totally unrelated, so take >> all this with a grain of salt.) But assuming that they are similar >> problems, there are two things to investigate. First, did something change >> that is doing something subtly different with process affinity that it >> wasn't doing before, or is the process affinity thing totally a config >> issue with one server? (Or if anybody else is tweaking processor >> affinities, do you fully understand the implications of it?) When you are >> looking at the CPU usage, is the process pegging a single CPU, or is it >> pegging at some round fraction like 1/4 or 1/8? The second thing to >> investigate is, what is happening at the high level that is causing the >> snapshot data to be so big? Do network activity spikes correlates with the >> CPU spikes? If that is the case, then we can use -netspike or other tools >> that you guys are >> probably more familiar with than I am to track down what the entity data >> is that is causing all the busywork. >> >> We have very powerful performance analysis tools we can use on Windows to >> track these problems down. I only wish more windows server operators users >> would get setup with them! Please help us help you! It's not that >> difficult to get set up. Email me directly and I can get you a CD key. >> https://support.steampowered.com/kb_article.php?ref=3059-RTXB-2672 >> >> -----Original Message----- >> From: hlds_linux-boun...@list.valvesoftware.com [mailto: >> hlds_linux-boun...@list.valvesoftware.com] On Behalf Of Essay Tew Phaun >> Sent: Saturday, May 04, 2013 11:54 AM >> To: Half-Life dedicated Linux server mailing list >> Subject: Re: [hlds_linux] Huge sv drops and var spikes in net_graph 4. >> >> Hmm. We didn't have this problem before Steampipe though. We just use the >> STV with a couple of slots open on it so that an admin can connect and >> watch for reported players. >> >> >> On Sat, May 4, 2013 at 2:44 PM, ics <i...@ics-base.net> wrote: >> >> > STV is known to cause issues and hogs a lot of memory. That's why >> > rarely no one uses it on public servers. >> > >> > -ics >> > >> > Essay Tew Phaun kirjoitti: >> > >> > Interesting. We're not hosting a replay, but we do have STV. >> >> >> >> >> >> On Sat, May 4, 2013 at 12:06 PM, Bjorn Wielens <uniac...@yahoo.ca> >> wrote: >> >> >> >> Sounds like the same problem I'm having (see last few posts in 'CPU >> >>> Increase' thread). >> >>> >> >>> >> >>> >> >>> >> >>> ______________________________**__ >> >>> From: Michael Johansen <michs...@live.no> >> >>> To: Half-Life dedicated Linux server mailing list < >> >>> hlds_linux@list.valvesoftware.**com >> >>> <hlds_linux@list.valvesoftware.com>> >> >>> Sent: Saturday, May 4, 2013 12:43:59 PM >> >>> Subject: Re: [hlds_linux] Huge sv drops and var spikes in net_graph 4. >> >>> >> >>> >> >>> We've noticed this as well, no complaints though as the players does >> >>> not seem to notice it very much. >> >>> >> >>> Date: Sat, 4 May 2013 11:40:54 -0400 >> >>>> From: sc2p...@gmail.com >> >>>> To: >> >>>> hlds_linux@list.valvesoftware.**com<hlds_linux@list.valvesoftware.c >> >>>> om> >> >>>> Subject: [hlds_linux] Huge sv drops and var spikes in net_graph 4. >> >>>> >> >>>> We never had this issue prior to Steampipe, but we're dealing with >> >>>> these very random and rare spikes of lag where the server framerate >> >>>> will >> >>>> >> >>> suddenly >> >>> >> >>>> drop from 66 to below 20 and var will spike to 20+. We're hosting 6 >> >>>> 24 >> >>>> >> >>> slot >> >>> >> >>>> servers on the following: >> >>>> >> >>>> E3-1230v2 >> >>>> 16GB >> >>>> CentOS 6.4 64bit >> >>>> >> >>>> I was able to capture a screenshot of one of the drops but they're >> >>>> very hard to catch since they appear very very briefly. >> >>>> >> >>>> http://i.imgur.com/wxp8P3N.png >> >>>> >> >>>> server.cfg >> >>>> >> >>>> sv_minrate 35000 >> >>>> sv_maxrate 200000 >> >>>> sv_maxupdaterate 67 >> >>>> sv_minupdaterate 66 >> >>>> sv_mincmdrate 66 >> >>>> sv_maxcmdrate 67 >> >>>> sv_client_cmdrate_difference 100 >> >>>> >> >>>> >> >>>> Thanks >> >>>> ______________________________**_________________ >> >>>> To unsubscribe, edit your list preferences, or view the list >> >>>> archives, >> >>>> >> >>> please visit: >> >>> >> >>>> https://list.valvesoftware.**com/cgi-bin/mailman/listinfo/**hlds_li >> >>>> nux<https://list.valvesoftware.com/cgi-bin/mailman/listinfo/hlds_li >> >>>> nux> >> >>>> >> >>> ______________________________**_________________ >> >>> To unsubscribe, edit your list preferences, or view the list >> >>> archives, please visit: >> >>> https://list.valvesoftware.**com/cgi-bin/mailman/listinfo/**hlds_lin >> >>> ux<https://list.valvesoftware.com/cgi-bin/mailman/listinfo/hlds_linu >> >>> x> ______________________________**_________________ >> >>> To unsubscribe, edit your list preferences, or view the list >> >>> archives, please visit: >> >>> https://list.valvesoftware.**com/cgi-bin/mailman/listinfo/**hlds_lin >> >>> ux<https://list.valvesoftware.com/cgi-bin/mailman/listinfo/hlds_linu >> >>> x> >> >>> >> >>> ______________________________**_________________ >> >> To unsubscribe, edit your list preferences, or view the list >> >> archives, please visit: >> >> https://list.valvesoftware.**com/cgi-bin/mailman/listinfo/**hlds_linu >> >> x<https://list.valvesoftware.com/cgi-bin/mailman/listinfo/hlds_linux> >> >> >> > >> > >> > ______________________________**_________________ >> > To unsubscribe, edit your list preferences, or view the list archives, >> > please visit: >> > https://list.valvesoftware.**com/cgi-bin/mailman/listinfo/**hlds_linux >> > <https://list.valvesoftware.com/cgi-bin/mailman/listinfo/hlds_linux> >> > >> _______________________________________________ >> To unsubscribe, edit your list preferences, or view the list archives, >> please visit: >> https://list.valvesoftware.com/cgi-bin/mailman/listinfo/hlds_linux >> >> _______________________________________________ >> To unsubscribe, edit your list preferences, or view the list archives, >> please visit: >> https://list.valvesoftware.com/cgi-bin/mailman/listinfo/hlds_linux >> _______________________________________________ >> To unsubscribe, edit your list preferences, or view the list archives, >> please visit: >> https://list.valvesoftware.com/cgi-bin/mailman/listinfo/hlds_linux >> > > _______________________________________________ To unsubscribe, edit your list preferences, or view the list archives, please visit: https://list.valvesoftware.com/cgi-bin/mailman/listinfo/hlds_linux
