On 21/09/16 15:24, teor wrote: > >> On 21 Sep 2016, at 20:01, D.S. Ljungmark <ljungm...@modio.se> wrote: >> >> Hi all, >> >> I'm looking at some traffic patterns for my Exit relay, and I'm frankly >> a bit disappointed with the utilization. >> >> Currently it's running at a load average of 0.3-0.5, and CPU idle at >> 70-80%. >> >> >> We're not limited on Bandwidth (tests show that our max cap is more than >> safe to produce), yet, we're barely reaching 20% of our potential >> allocated traffic. >> >> >> We've reached "fast" and "guard", and got the "stable" flag as well, so >> in theory we ought to see traffic move a bit higher than currently. >> >> >> So, how do we get tor to move past 100-200Mbit? Is it just a waiting game? > > How long has the relay been up?
4 years or so. ( current uptime: 11 hours since reboot, it reboots weekly ) The initial rampup time went and scaled up until ~120 Mbit, where it's been stable hovering. > What's the fingerprint of your Exit relay? 5989521A85C94EE101E88B8DB2E68321673F9405 > Where is it located? Sweden, Tele2 AS > Have you read: > https://blog.torproject.org/blog/lifecycle-of-a-new-relay yes > Does your processor have AES-NI? Is it reasonably fast? Yes, yes. As said, load on the CPU isn't even hitting load 0.4 most of the time, 24% CPU load (user) and 11% (sys) has been the max it's hit over the last week, at the same time it's been hitting 17 MBytes/s in each direction. Which, frankly, is quite a bit lower than I expected. > Does Tor have enough sockets available? Ought to, though it has spiked at around 16k sockets used (which is strangely close to 50% of the max number, might be a time to increase that ) Fileno is set at 32k, and it's averaging around 5.5k sockets in use. > Does it warn you about any other potential performance issues in its logs? Nope. > > Have you tried running 2 Tor instances per IPv4 address? Previously, currently only one to see what throughput we could get a single Tor exit at. > > Also, have you tried searching the mailing list archives? Yes, I've been subscribed for a few years, and I've run relays for a while. > This question gets asked and answered at least once a month. It's actually seldom discussed how to scale and what the limiting factors are for _Exit_ relays. It's fairly common to hear about relays / Guards and the rampup there. //D.S
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