On 08.09.2013 05:23, I wrote:
An exit relay that has just been updated to 0.2.4.17-rc produced this message
Sep 07 19:59:30.996 [Warning] Your Guard maisterikaarna ($C3B7CC79FD4E302AF8956A7B02F0FC7AAB4A6AF8) is failing a very large amount of circuits. Most likely this means the Tor network is overloaded, but it could also mean an attack against you or potentially the guard itself. Success counts are 52/151. Use counts are 0/0. 52 circuits completed, 0 were unusable, 0 collapsed, and 1 timed out. For reference, your timeout cutoff is 142 seconds.
I guess the part about the Tor network being overloaded is/was true, because my non-exit relay got a similar message at that time.
Strange thing though: my relay only used about half of it's bandwidth at the time.
-Stephan
Hello Tor-Relays members,
I'm new to running a relay. (I've read the last 2 months archives of this list.) Started about a week ago, and have run 4 versions. Now on 0.2.4.17-rc. Running on a low power CPU, so I'm keeping a fairly close watch on it, trying to figure out what 'normal' behavior/footprint is, which is difficult since as I understand the network is in 'normal' condition.
Anyway, regarding failing circuits, I don't know if this is related, but it is still an anomaly: (timestamps are CET)
Sep 07 08:59:13.000 [notice] Circuit handshake stats since last time: 26723/26724 TAP, 21/21 NTor. Sep 07 09:59:14.000 [notice] Circuit handshake stats since last time: 30658/30662 TAP, 26/26 NTor. Sep 07 10:59:13.000 [notice] Circuit handshake stats since last time: 35406/35409 TAP, 24/24 NTor. Sep 07 11:59:12.000 [notice] Heartbeat: Tor's uptime is 18:00 hours, with 1264 circuits open. I've sent 6.62 GB and received 6.01 GB. Sep 07 11:59:12.000 [notice] Average packaged cell fullness: 94.903% Sep 07 11:59:12.000 [notice] TLS write overhead: 10% Sep 07 11:59:13.000 [notice] Circuit handshake stats since last time: 46946/46963 TAP, 42/42 NTor. Sep 07 12:59:13.000 [notice] Circuit handshake stats since last time: 51780/51789 TAP, 29/29 NTor. Sep 07 13:59:13.000 [notice] Circuit handshake stats since last time: 56358/56440 TAP, 30/30 NTor. Sep 07 14:59:13.000 [notice] Circuit handshake stats since last time: 62342/62364 TAP, 35/35 NTor. Sep 07 15:59:13.000 [notice] Circuit handshake stats since last time: 85768/175799 TAP, 48/48 NTor. Sep 07 16:59:13.000 [notice] Circuit handshake stats since last time: 82761/92208 TAP, 42/42 NTor. Sep 07 17:51:28.000 [notice] Tor 0.2.4.17-rc (git-00fb525b23cf070f) opening log file. Sep 07 17:58:48.000 [notice] Circuit handshake stats since last time: 59959/60002 TAP, 63/63 NTor.
For all of those entries, where it says X/Y TAP, X is between 99% and 100% of Y. Except for 15:59 (only 48%) and 16:59 (89%). During that same period, I also have a dramatic spike in CPU usage. After that it goes back to almost 100%.
-Job
On Sep 8, 2013, at 05:23 , I wrote:
An exit relay that has just been updated to 0.2.4.17-rc produced this message
Sep 07 19:59:30.996 [Warning] Your Guard maisterikaarna ($C3B7CC79FD4E302AF8956A7B02F0FC7AAB4A6AF8) is failing a very large amount of circuits. Most likely this means the Tor network is overloaded, but it could also mean an attack against you or potentially the guard itself. Success counts are 52/151. Use counts are 0/0. 52 circuits completed, 0 were unusable, 0 collapsed, and 1 timed out. For reference, your timeout cutoff is 142 seconds.
Are there any recommendations?
Robert
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Stephan