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Re: [tor-relays] arm crashes

Hello.


On 23 March 2018 at 21:13, Roger Dingledine <arma@xxxxxxx> wrote:
On Fri, Mar 23, 2018 at 11:53:08AM -0400, smichel0 wrote:
> Yes, thank you. Nyx is running, but the relay is down again. It was down in the morning. I restartet it and now it's obvisely down again since noon. But nyx is still OK.
>
> Now I restartet it and enclosed the log because the log makes not really sence to me.

The logs don't show any problems with the relay itself (so far as I could
see), but they do maybe indicate that this computer has a flaky internet
connection. The worst case is that your relay is getting enough attention
that your home router can't handle it and freezes up or starts dropping
packets or something. Or maybe things are just flaky. That's the next
thing to investigate.

Be aware the home routers often struggle to handle the large number of connections that tor relays create. In **worst case** scenario you will have to reboot it every hour, best case every three / four weeks.  

Generally speaking most home routers would be able to handle <10MBs of tor traffic with some capacity left over for maybe two PC's web surfing / YouTube etc depending on your broadband speed.

For some perspective, I experimented with installing OpenWRT on medium-old "high end" router, the interface informed me it could support up to 16000 simultaneous TCP connections. Fair enough however the gigabit Ethernet maxed the routers poxy 600mhz single core processor 80mbits 

If you are using Wifi and have poor signal (far away from router, interference from nearby Wifis etc) this will obviously impact your relay. If your netbook does not have a Ethernet connection consider buying a USB to Ethernet device.

Thanks.

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