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Re: tor memory leak under Ubuntu 6.06


thanks for all the help!

Tor has no memory leak on my server.

I reduced the band width settings from 200KB/400KB to this:

BandwidthRate 100 KB
BandwidthBurst 200 KB

and Tor uses around 90 MB of memory and is now running 
stable since 5 days:
28039 debian-t  16   0  107m  88m 7380 S    4  4.4 200:31.26 tor

If I want to run tor with higher BandwidthRate (attracting more users,
as Dominik explains below), then I have to rent a server with more


Am Montag, den 25.02.2008, 16:25 +0100 schrieb Dominik Schaefer:
> Andrew schrieb:
> > Dietrich Schmidt schrieb:
> > | My (rented) server has a guaranteed amount of 128 MB RAM,
> > | and I am running apache webserver with ssl and php, postfix mail,
> > | cyrus imaps and ldaps on it
> > If you're talking about a Strato vServer here, it works just fine up to 
> > a bandwith of approx. 3MBits each way (for a relay node). Above that, 
> > your server runs out of memory to handle new connections - note that 
> > this is also true for any other service, especially FTP; so you should 
> > keep an eye on it.
> My experiences with the 'small' Strato vServer are that the memory for tcp
> sockets is sufficient but they have a hard limit of 500 TCP connections. If
> you reach that limit, no new socket can be opened. (Have a look at
> /proc/user_beancounters to find out which limit is hit.)
> My way to circumvent it partially is to set MaxAdvertisedBandwidth to 50kb/s
> to attract less users and the relay doesn't announce its DirPort.
> RelayBandwidthRate and RelayBandwidthBurst are set higher (suitable to the
> monthly traffic limit) and the relay usually makes full use of the available
> RelayBandwidthRate even if it attracts less users.
> Regards,
> Dominik
> P.S. But even in that configuration it consumes about 200M of RAM.

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