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matt comments on Is it just me, or has Less Wrong been slow or broken quite often in the past few days? - Less Wrong Discussion

7 Post author: lukeprog 14 September 2011 03:11AM

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Comment author: matt 16 September 2011 01:23:23AM *  9 points [-]

We've identified two problems, both now fixed:

  1. memcached died. This significantly increased server load. Our monitoring noticed, but we've had a small plague through the Trike offices coinciding with some holiday leave and enough people were down sick that it took us about a day to respond.
  2. A very far future meetup surfaced a bug in our code. Every page that rendered the meetups sidebar module (= every page) caused extra server load. Our plague delayed our response to this too.

Apologies to all affected.
If you think you've diagnosed further problems, please direct message me or raise a ticket.

ETA: Site very slow at Fri Sep 16 18:35:23 UTC 2011 - we've obviously missed something.
ETA: Site fast now, and can't reproduce Friday's slowness. We're wait and watching - please let us know (see above) if you see any other problems.

Comment author: lukeprog 16 September 2011 02:24:36AM 1 point [-]

Thanks for tracking this down!

Comment author: jsalvatier 16 September 2011 02:48:01AM 0 points [-]

Hooray! Hope everyone feels better soon.

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