> On 30 Jun 2017, at 04:52, Arisbe <arisbe@xxxxxxx> wrote: > > I have a small Tor exit relay (VPS) running at +90% CPU capacity. What version of Tor? Has this only happened recently? Did you upgrade your Tor version? Are you running a caching DNS server? > Memory usage is negligible. I am unable to launch ARM as the single CPU cannot process both Tor and arm. Traffic is mostly high for a small node. > > I have CPUsNum set at 2 in my torrc from its original setup. Have you tried removing this from your torrc? > However, pidstat 5 -p <pid> shows that only 1 CPU is employed. lscpu shows that the VPS is allotted 2 cpus. 2 cores, or hyperthreading on the same core? Do you have any CPU masking options set? Tor uses threads, rather than using multiple processes. > CPU speed is around 2.44 M. > > I'm hoping someone has some experience with this issue and can give me advice. This is what I'd expect for a relay. Cryptography is expensive. T -- Tim Wilson-Brown (teor) teor2345 at gmail dot com PGP C855 6CED 5D90 A0C5 29F6 4D43 450C BA7F 968F 094B ricochet:ekmygaiu4rzgsk6n xmpp: teor at torproject dot org ------------------------------------------------------------------------
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