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On Thu, Apr 29, 2010 at 3:13 AM, Roger Dingledine wrote:
> Tor 0.2.2.13-alpha addresses the recent connection and memory overload
> problems we've been seeing on relays, especially relays with their DirPort
> open. If your relay has been crashing, or you turned it off because it
> used too many resources, give this release a try.
>
> https://www.torproject.org/download.html.en
>
> Changes in version 0.2.2.13-alpha - 2010-04-24
> o Major bugfixes:
>- Teach relays to defend themselves from connection overload. Relays
> now close idle circuits early if it looks like they were intended
> for directory fetches. Relays are also more aggressive about closing
> TLS connections that have no circuits on them. Such circuits are
> unlikely to be re-used, and tens of thousands of them were piling
> up at the fast relays, causing the relays to run out of sockets
> and memory. Bugfix on 0.2.0.22-rc (where clients started tunneling
> their directory fetches over TLS).
>
> o Minor features:
>- Finally get rid of the deprecated and now harmful notion of "clique
> mode", where directory authorities maintain TLS connections to
> every other relay.
>- Directory authorities now do an immediate reachability check as soon
> as they hear about a new relay. This change should slightly reduce
> the time between setting up a relay and getting listed as running
> in the consensus. It should also improve the time between setting
> up a bridge and seeing use by bridge users.
>- Directory authorities no longer launch a TLS connection to every
> relay as they startup. Now that we have 2k+ descriptors cached,
> the resulting network hiccup is becoming a burden. Besides,
> authorities already avoid voting about Running for the first half
> hour of their uptime.
>
>
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--
Kobe Young
