On 12 Feb (21:14:14), Stijn Jonker wrote: > Hi David, > > On 12 Feb 2018, at 20:44, David Goulet wrote: > > > On 12 Feb (20:09:35), Stijn Jonker wrote: > >> Hi all, > >> > >> So in general 0.3.3.1-alpha-dev and 0.3.3.2-alpha running on two nodes > >> without any connection limits on the iptables firewall seems to be a lot > >> more robust against the recent increase in clients (or possible [D]DoS). But > >> tonight for a short period of time one of the relays was running a bit "hot" > >> so to say. > >> > >> Only to be greated by this log entry: > >> Feb 12 18:54:55 tornode2 Tor[6362]: We're low on memory (cell queues total > >> alloc: 1602579792 buffer total alloc: 1388544, tor compress total alloc: > >> 1586784 rendezvous cache total alloc: 489909). Killing circuits > >> withover-long queues. (This behavior is controlled by MaxMemInQueues.) > >> Feb 12 18:54:56 tornode2 Tor[6362]: Removed 1599323088 bytes by killing 1 > >> circuits; 39546 circuits remain alive. Also killed 0 non-linked directory > >> connections. > > > > Wow... 1599323088 bytes is insane. This should _not_ happen for only 1 > > circuit. We actually have checks in place to avoid this but it seems they > > either totally failed or we have a edge case. > Yeah it felt a "bit" much. A couple megs I wouldn't have shared :-) > > > Can you tell me what scheduler were you using (look for "Scheduler" in the > > notice log). > > The schedular always seems to be KIST (never played with it/tried to change it) > Feb 11 19:58:24 tornode2 Tor[6362]: Scheduler type KIST has been enabled. > > > Any warnings in the logs that you could share or everything was normal? > Besides that ESXi host gave an alarm about CPU usage, nothing odd in the logs around that time I could find. > The general syslog logging worked both locally on the host and remote as the hourly cron jobs surround this entry. > > > > Finally, if you can share the OS you are running this relay and if Linux, the > > kernel version. > > Debian Stretch, Linux tornode2 4.9.0-5-amd64 #1 SMP Debian 4.9.65-3+deb9u2 (2018-01-04) x86_64 GNU/Linux > not sure it matters, but ESXi based VM, running with 2 vCPU's based on i5-5300U, 4 Gig of memory > > No problems, happy to squash bugs. I guess one of the "musts" when running Alpha code, although this might not be alpha related (I can't judge). Thanks for all the information! I've opened https://bugs.torproject.org/25226 Cheers! David -- 1xYrq8XhE25CKCQqvcX/cqKg04v1HthMMM3PwaRqqdU=
Attachment:
signature.asc
Description: PGP signature
_______________________________________________ tor-relays mailing list tor-relays@xxxxxxxxxxxxxxxxxxxx https://lists.torproject.org/cgi-bin/mailman/listinfo/tor-relays