[tor-relays] CPU usage

[Roman Mamedov]

On Mon, 7 Jul 2014 23:30:22 -0700
"Asa Rossoff" <asa at lovetour.info> wrote:

> With hyperthreading, I think 4 would be optimal?

Yes, 4 can be set, but I remember reading somewhere that Tor doesn't scale
well beyond NumCPUs 2 (and poorly even to 2).

One way to increase utilization further would be to run a second instance of
Tor. However as this server is also used for other tasks, this could begin
starving them of CPU time via the hyperthreading concurrency even while Tor
nominally runs at lower nice levels.

-- 
With respect,
Roman
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