Re: [tor-relays] Memory Problems with tor releay

[Tyler Durden <virii@xxxxxx>]

Hi

We do also experience high memory consumptions by Tor from time to time
which result in a total halt of the system.
I'm now testing several values in MaxMemInQueues...



Greetings

tor-relay.dirk@xxxxxxxxxx:
> Dear all,
> 
> we are operating two exit nodes with each two tor processes out of
> Switzerland.
> The nodes worked quite stable until about 2-3 weeks ago.
> 
> Since then we experience frequent disruptions (Up to several times a
> day). This is caused by a significant rise in memory consumption
> by the tor processes and ends with a tor process being killed by the
> Linux Kernel:
> 
> May 22 00:30:43 tor2 kernel: [2257156.134100] Killed process 40964 (tor)
> total-vm:448088kB, anon-rss:0kB, file-rss:0kB
> 
> The systems are physical machines with Ubuntu 14.04.5 LTS with 4 GB of
> memory. This was sufficient the last 2 years.
> 
> For more details a sample of this behavior is documented in a Ticket [1].
> Tor project team is researching but until now no hints lead to an
> improvement.
> 
> Due to a tweet last week [2] and the follow up discussion with another
> operator I became suspicious that is not just
> just us having a problem rather it cloud be more common.
> 
> Therefore here the question to you all - do you experience some strange
> behavior like described in the ticket as well ?
> 
> Please let me know if so.
> 
> If not - maybe it is just an unfortunate coincidence and we will end up
> make a clean install of both server hoping the problem will go away.
> 
> 
> best regards
> 
> Dirk
> 
> 
> [1] https://trac.torproject.org/projects/tor/ticket/22255
> 
> [2]https://twitter.com/FrennVunDerEnn/status/864583496072876034
> 
> 
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