Hi, I'm monitoring RSS usage via /proc/.../smaps and running i686 rather than x86_64.
I'll see if I can find a 64-bit machine to try it on. Nick On Tuesday, May 14, 2013 5:56:16 PM UTC+1, Ben Noordhuis wrote: > > On Tue, May 14, 2013 at 8:23 AM, Nicholas O'Leary > <[email protected]<javascript:>> > wrote: > > Hi, > > > > I've just upgraded from 0.8.19 to 0.10.5 and my app that would > previously > > run happily for days on a Raspberry Pi now dies overnight due to running > out > > of memory. I see there were some changes to the GC handling in 0.10 that > I > > wonder could be the cause of this. > > > > I've narrowed the problem code down to the use of > > script.runInNewContext(sandbox); > > > > Here is a simple test case that demonstrates the same symptoms, using a > > slightly modified version of the example code in the vm module docs. > > > > var util = require('util'), > > vm = require('vm'), > > sandbox = { > > animal: 'cat', > > count: 2 > > }; > > > > var script = vm.createScript('count += 1; name = "kitty"', 'myfile.vm'); > > setInterval(function() { > > script.runInNewContext(sandbox); > > console.log(util.inspect(sandbox)); > > },50); > > > > > > Essentially, this code invokes script.runInNewContext repeatedly. I've > used > > a very short time out so I can test quickly; in the real app > runInNewContext > > is being run about once a second. > > > > I've run this on my laptop (Ubuntu 12.04), monitoring the memory usage > over > > time. > > > > With 0.8.19, the memory usage peaks around 60Mb and then stabilises > around > > 30Mb with fluctuations as the garbage collector does its thing. > > > > With 0.10.5 the memory usage continually increases - with very slight > dips > > as, presumably, some garbage collecting is happening. But it does not > > stabilise. I've not run it all the way to a crash on the Pi, but in a 15 > > minute run, the memory usage hits just under 700Mb. > > > > Any ideas what is happening, or perhaps what I'm missing here? It looks > like > > either a leak in runInNewContext, or there is something about this code > that > > the changes to gc don't favour. > > > > Regards, > > Nick > > I can't reproduce what you're describing on x86_64. Memory usage > peaks at a very reasonable 30-35 MB RSS. > > When you say "hits 700MB", do you mean RSS or VSIZE? The latter is > not really something to worry about. > -- -- Job Board: http://jobs.nodejs.org/ Posting guidelines: https://github.com/joyent/node/wiki/Mailing-List-Posting-Guidelines You received this message because you are subscribed to the Google Groups "nodejs" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/nodejs?hl=en?hl=en --- You received this message because you are subscribed to the Google Groups "nodejs" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
