Server packed up?

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Mike "Rocket J Squirrel"

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Jun 28, 2010, 6:53:39 PM6/28/10
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The wiki server seems to be packed up.

Vanagon Wiki has a problem

Sorry! This site is experiencing technical difficulties.
Try waiting a few minutes and reloading.

(Can't contact the database server: Too many connections (localhost))

Is it true that the wiki has become so very popular?

Or is it a DoS attack? Skynet taking over.
--
Rocky J Squirrel
84 Westfalia: Mellow Yellow ("The Electrical Banana")
74 Westrailia: (Ladybug Trailer company, San Juan Capistrano, Calif.)
Bend, OR
KG6RCR

Steve Williams

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Jun 29, 2010, 6:30:04 AM6/29/10
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At 03:53 PM 6/28/2010, you wrote:
>The wiki server seems to be packed up.

I don't think it was down for long. I can see something very odd in
the server utilization around the time of your message, but I can't
tell exactly what happened.

A DOS attack is not a bad guess. The email queues spiked around that time.

Mike "Rocket J Squirrel"

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Jun 29, 2010, 10:37:31 AM6/29/10
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Mainland China hackers. They hate our Vanagon freedom. Keep the security
patches up to date. Register a .ch ccTLD. That'll piss 'em off.

We will prevail.

--
Rocky J Squirrel

Steve Williams

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Jun 29, 2010, 11:11:42 AM6/29/10
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I've been tweaking some settings on lots of my web sites, mostly
around caching. None of the sites are so popular that they need
careful caching, but it's an opportunity to learn more about it.

For the Vanagon wiki, in particular, I've just changed the way it
stores browser sessions. Before, it stored sessions in temporary
files on the server's disk. Now, it stores them in memory, more
precisely in memcached running on the same server as the web server.

The sessions should be as persistent as before, except when memcached
or the server is rebooted, which should be rare.

So if you notice that you're getting logged out frequently, even
though you've checked the "remember me" box, let me know.

I've also tweaked the HTTP headers to get web browsers to cache more
stuff longer. And I turned on compression, so some pages may load
more quickly, especially on slow connections.

I've also been experimenting with Amazon Cloudfront. Really
interesting stuff, but I'm not actively using it yet.

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