Thanks for info. Added comment to ticket.

You are right, i'm on 2.6.32 kernel. If you fix will not help, i'll upgrade 
my host system
(Proxmox PVE 2.3 -> PVE 3.0) and check if anything changes.

среда, 5 июня 2013 г., 19:43:38 UTC+4 пользователь Isaac Schlueter написал:
>
> This sounds exactly like https://github.com/joyent/node/issues/5504. 
> We're very close to a fix, and it'd be good to go weigh in there so 
> that we can track it more easily than on a mailing list.  Short 
> answer: it's an odd kernel behavior where it tells us EOF rather than 
> the actual error code, and Node handles it improperly. 
>
> But before you head over there, just to make sure that it's the same 
> issue, please run this file, and then paste the results into the issue 
> comments: 
>
> https://raw.github.com/isaacs/node/GH-5504/test/simple/test-net-GH-5504.js 
>
> You can either drop that in `test/simple/` in the node source code, or 
> just comment out the `var common = require('../common')`. 
>
> Also, what is the output of `uname -a` on the affected systems? 
>
> Thanks! 
>
>
> On Tue, Jun 4, 2013 at 10:54 PM, Vitaly Puzrin 
> <[email protected]<javascript:>> 
> wrote: 
> > Tryed 0.10.10 on fontello.com. Symptoms are the same: 
> > 
> > - works several minutes 
> > - starts use CPU 50-100% and leak memory 
> > - when reach 1.5gb RES - crashes 
> > 
> > lsof -a -p <pid> doesn't show anything special (the same descriptors 
> count) 
> > 
> > After roll back to 0.8, everything works without problems. 
> > 
> > Modules are the same. The only difference, i know, is that module 
> > `log2js-node` uses readable-stream for 0.8, and native streams for 0.10 
> > 
> > Does anyone have idea, what to do? I'm fine with 0.8, but it will reash 
> end 
> > of life sometime... 
> > 
> > среда, 5 июня 2013 г., 3:47:43 UTC+4 пользователь Vitaly Puzrin написал: 
> >> 
> >> Thanks for info. I had this problem in production, and had to roll back 
> to 
> >> 0.8. 
> >> 
> >> Symptoms were very similar - process works some time, and then starts 
> >> eating 100% of CPU. The only difference was in node-log2js module, they 
> >> started to use streams for writing files. Process has 50К files limit 
> >> 
> >> Will check, if 10.7+ helps. 
> >> 
> >> вторник, 28 мая 2013 г., 16:07:26 UTC+4 пользователь Bert Belder 
> написал: 
> >>> 
> >>> On Tuesday, May 28, 2013 8:17:09 AM UTC+2, Qasim Zaidi wrote: 
> >>>> 
> >>>> Ever since we switched to 0.10.x in production, we are seeing 
> instances 
> >>>> where the server gets into a loop and CPU usage shoots to 100%. Here 
> is what 
> >>>> I have been able to understand so far about this situation. 
> >>>> 
> >>>> - After some time, we run out of descriptors, i.e. the nofile limit 
> is 
> >>>> reached. This triggers the 100% CPU loop, and node becomes 
> unresponsive. 
> >>> 
> >>> 
> >>> What node version is this? This was supposedly fixed in libuv-v0.10.6. 
> To 
> >>> benefit from the fix you need to use node-v0.10.7 or later. 
> >>> 
> >>>> Something (maybe traffic spike) triggers a socket leak in the 
> process, 
> >>>> and we start with getting a lot of descriptors in close_wait state. 
>  This is 
> >>>> very similar to what is reported at 
> https://github.com/einaros/ws/issues/180 
> >>>> (Connections stay in CLOSE_WAIT with Node 0.10.x). 
> >>> 
> >>> 
> >>> Do the CLOSE_WAIT connections show up before or after node hits 100% 
> CPU 
> >>> usage? A socket in CLOSE_WAIT state means that the connection was 
> completely 
> >>> wound down, but the file descriptor hasn't been closed. If a small 
> fraction 
> >>> of sockets is in CLOSE_WAIT state there's nothing to worry about, node 
> just 
> >>> hasn't gotten around to closing the file descriptor yet. It is also 
> >>> "expected" when the 100%-cpu issue kicks in since node basically hangs 
> and 
> >>> won't be closing any FDs at all. 
> >>> 
> >>> - Bert 
> > 
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