[tor-relays] A bit more evidence on circuit creation storms

2013-09-05 Thread Dan Staples
-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Just to add my experiences to the mix: I started running a RPi relay back in January. It ran fine for several months, until I started to get these circuit creation storms periodically. It would come at random times, maybe once a week, and would

Re: [tor-relays] A bit more evidence on circuit creation storms

2013-09-02 Thread tor-admin
You could modify the tor init script to limit the memory usable by /usr/sbin/tor as described here: http://jlebar.com/2011/6/15/Limiting_the_amount_of_RAM_a_program_can_use.html But I don’t know if this works on RaspPi platform and what happens when the tor process hits the memory limit.

Re: [tor-relays] A bit more evidence on circuit creation storms

2013-09-02 Thread Gordon Morehouse
-BEGIN PGP SIGNED MESSAGE- Hash: SHA512 tor-admin: You could modify the tor init script to limit the memory usable by /usr/sbin/tor as described here: http://jlebar.com/2011/6/15/Limiting_the_amount_of_RAM_a_program_can_use.html But I don’t know if this works on RaspPi platform

Re: [tor-relays] A bit more evidence on circuit creation storms

2013-08-31 Thread Gordon Morehouse
-BEGIN PGP SIGNED MESSAGE- Hash: SHA512 Andreas Krey: My main question: How do circuit creation requests on one's Tor relay cause load on one's network infrastructure? Is it DNS requests? Is it TCP connection state entries? It's not bandwidth, we observed that above, and my router

Re: [tor-relays] A bit more evidence on circuit creation storms

2013-08-31 Thread Gordon Morehouse
-BEGIN PGP SIGNED MESSAGE- Hash: SHA512 krishna e bera: On 13-08-29 10:35 PM, Gordon Morehouse wrote: What on earth is causing so many circuit creation requests in such a short timespan? One possibility, if i recall correctly, is that the Tor that comes with the PirateBrowser

Re: [tor-relays] A bit more evidence on circuit creation storms

2013-08-31 Thread Roger Dingledine
On Thu, Aug 29, 2013 at 11:30:33PM -0400, krishna e bera wrote: On 13-08-29 10:35 PM, Gordon Morehouse wrote: What on earth is causing so many circuit creation requests in such a short timespan? One possibility, if i recall correctly, is that the Tor that comes with the PirateBrowser

Re: [tor-relays] A bit more evidence on circuit creation storms

2013-08-31 Thread Gordon Morehouse
-BEGIN PGP SIGNED MESSAGE- Hash: SHA512 Roger Dingledine: On Thu, Aug 29, 2013 at 11:30:33PM -0400, krishna e bera wrote: On 13-08-29 10:35 PM, Gordon Morehouse wrote: What on earth is causing so many circuit creation requests in such a short timespan? [snip] As for the circuit

Re: [tor-relays] A bit more evidence on circuit creation storms

2013-08-30 Thread tor
I added a second core to my server and it's still getting Your computer is too slow... error messages. Top shows cpu for the Tor process hanging around 60-75%, which is where it was before. Top's system total is hanging around Cpu(s) 25.9%. That plus the VM manager's graph suggest that the

Re: [tor-relays] A bit more evidence on circuit creation storms

2013-08-30 Thread David Carlson
On 8/29/2013 11:09 PM, Andreas Krey wrote: On Thu, 29 Aug 2013 19:35:37 +, Gordon Morehouse wrote: ... Aug 29 18:19:14.000 [notice] Your network connection speed appears to have changed. Resetting timeout to 60s after 18 timeouts and 172 buildtimes. Random data point: I had these

Re: [tor-relays] A bit more evidence on circuit creation storms

2013-08-30 Thread Troy Arnold
On Fri, Aug 30, 2013 at 04:25:27PM -0400, t...@t-3.net wrote: Also see a repeat of the odd log message with the 154.x net address someone else described with the huge hexidecimal string (40 hex chars, + sign, 40 more, on and on). Just FYI, these messages were popping up pretty regularly in

Re: [tor-relays] A bit more evidence on circuit creation storms

2013-08-30 Thread Gordon Morehouse
-BEGIN PGP SIGNED MESSAGE- Hash: SHA512 Since I originally started keeping an eye on these on my Raspberry Pi relay (read: slow, resource-limited), I've got to wonder if the circuit creation storms I was seeing months ago weren't normal network phenomena but some kind of test run. We are

[tor-relays] A bit more evidence on circuit creation storms

2013-08-29 Thread Gordon Morehouse
-BEGIN PGP SIGNED MESSAGE- Hash: SHA512 So, I started having tubes clogged problems this evening and realized, finally, that my Raspberry Pi powered relay had been weathering a circuit creation storm since about 18:11 my time. tl;dr main dev-related questions at bottom Aug 29

Re: [tor-relays] A bit more evidence on circuit creation storms

2013-08-29 Thread krishna e bera
On 13-08-29 10:35 PM, Gordon Morehouse wrote: What on earth is causing so many circuit creation requests in such a short timespan? One possibility, if i recall correctly, is that the Tor that comes with the PirateBrowser bundle is configured to build single hop circuits. Make sure that these

Re: [tor-relays] A bit more evidence on circuit creation storms

2013-08-29 Thread Andreas Krey
On Thu, 29 Aug 2013 19:35:37 +, Gordon Morehouse wrote: ... Aug 29 18:19:14.000 [notice] Your network connection speed appears to have changed. Resetting timeout to 60s after 18 timeouts and 172 buildtimes. Random data point: I had these yesterday on a VPS-based relay. My main question: