There is something really strange going on indeed. What I noticed is an increase of circuits and my device running out of memory until it stopped working so I had to reboot it on 31. Jan. Then again the memory usage increased until it leveled out at a rather unusual, high usage. The actual bandwidth usage is not unusual though (always around 2Mbps on my relay). Attached a screenshot of my memory usage the last few days (I hope attachments do work here; it's in fact Tor using that memory as could be checked with ps and htop). Heartbeat messages of the log are: Jan 31 10:57:56.000 [notice] Heartbeat: Tor's uptime is 6:00 hours, with 447 circuits open. I've sent 2.66 GB and received 2.65 GB. Jan 31 16:57:56.000 [notice] Heartbeat: Tor's uptime is 12:00 hours, with 19764 circuits open. I've sent 9.59 GB and received 9.54 GB. Jan 31 22:57:56.000 [notice] Heartbeat: Tor's uptime is 18:00 hours, with 54178 circuits open. I've sent 12.36 GB and received 12.30 GB. Feb 01 04:57:56.000 [notice] Heartbeat: Tor's uptime is 23:50 hours, with 79333 circuits open. I've sent 14.89 GB and received 14.81 GB. Feb 01 10:57:56.000 [notice] Heartbeat: Tor's uptime is 1 day 5:50 hours, with 110815 circuits open. I've sent 19.55 GB and received 19.45 GB. Feb 01 16:57:56.000 [notice] Heartbeat: Tor's uptime is 1 day 11:50 hours, with 141724 circuits open. I've sent 24.03 GB and received 23.90 GB. Feb 01 22:57:56.000 [notice] Heartbeat: Tor's uptime is 1 day 17:50 hours, with 12829 circuits open. I've sent 29.96 GB and received 29.75 GB. ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐ On Friday, 1. February 2019 23:50, Roman Mamedov <rm@xxxxxxxxxxx> wrote: > Hello, > > There seems to be an issue with Tor's memory usage. > Earlier today, with Tor 3.5.7 and 1.5 GB of RAM running two Tor processes, the > machine got 430 MB into swap, slowing down to a crawl from iowait on accessing > the swapped out memory. Typically 1.5 GB is more than enough for these. "VIRT" > in top was ~1GB each, and "RES" was ~512MB each. Which is weird because that > doesn't add up to exhausting the 1.5 GB, and there are no other heavy > processes on the machine running. I rebooted it without further investigation. > > And right now on another machine running 2.9.16 I see: > > PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND > 22432 debian-+ 30 10 5806816 5.157g 10464 R 39.5 33.1 39464:19 tor > > But not sure if it just accumulated 5.1GB of RAM slowly over time, or shot up > recently. > > Feb 01 17:00:49.000 [notice] Heartbeat: Tor's uptime is 82 days 23:59 hours, > with 70705 circuits open. I've sent 66622.45 GB and received 65906.91 GB. > Feb 01 17:00:49.000 [notice] Circuit handshake stats since last time: > 11361/11361 TAP, 239752/239752 NTor. > Feb 01 17:00:49.000 [notice] Since startup, we have initiated 0 v1 > connections, 0 v2 connections, 10 v3 connections, and 3385644 v4 connections; > and received 14 v1 connections, 78592 v2 connections, 822108 v3 connections, > and 8779474 v4 connections. > Feb 01 17:00:49.000 [notice] DoS mitigation since startup: 2899572 circuits > rejected, 121 marked addresses. 561 connections closed. 21956 single hop clients refused. > Feb 01 17:08:20.000 [warn] connection_edge_process_relay_cell (at origin) > failed. > > --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- > > With respect, > Roman > > tor-relays mailing list > tor-relays@xxxxxxxxxxxxxxxxxxxx > https://lists.torproject.org/cgi-bin/mailman/listinfo/tor-relays
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