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Brad Fitzpatrick

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LJ Move blawg [Nov. 18th, 2005|04:31 pm]
Brad Fitzpatrick
If you want to track the status of the LJ data center switch, read here:


Kinda unfortunately that it's titled "move", since it's already "moved" (copied). We have two data centers built out, and they're replicated.... Just switching the active side tonight and making the other side proxy over requests for people who didn't get the DNS update soon enough.

[User Picture]From: dakus
2005-11-19 12:29 am (UTC)
my LJ isn't working, can you help????

j/king, ;)
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[User Picture]From: brentdax
2005-11-19 12:44 am (UTC)
If you've basically duplicated your Portland datacenter in San Francisco, it seems like you'll have a lot of servers left over when you're done.

...can I have one?
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[User Picture]From: bevived
2005-11-19 12:45 am (UTC)
Thanks, that's awesome. I hope everything goes smooth for y'all, so you don't have to work too late. :)
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[User Picture]From: popcultureicon
2005-11-19 12:46 am (UTC)
And in the spirit of unblushing laziness: ljmove.
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[User Picture]From: brad
2005-11-19 12:54 am (UTC)
Watch that work well later tonight.
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[User Picture]From: kunzite1
2005-11-19 01:16 am (UTC)

i see your atom feed and raise you vanilla rss!
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[User Picture]From: ydna
2005-11-19 12:53 am (UTC)
I hope this isn't a silly question, but... Are the machines from SM that are currently in Seattle going to be sold off? If so, where? If the answer isn't yes, no need to explain (despite being curious).
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From: jamesd
2005-11-19 01:32 am (UTC)
It's good to see LJ with the redundancy of two different data centers. Sounds as though the old one won't be staying around, though.
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[User Picture]From: brad
2005-11-19 01:40 am (UTC)
Actually the plan is to have three data centers sometime in the future here.
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From: jamesd
2005-11-19 03:21 am (UTC)
Three is an excellent number. Good to hear it! Probably won't surprise you that I'm saying similar things to the work techs, even if their systems are small by comparison with those we're used to.

Similar long-term plan at the wiki, likely for mostly the same reasons as you. I want more than three, so one being totally taken out and one temporarily out is less of a burden on the remaining ones. You're quite a bit further along the path than wiki is, though.

Good luck with the move - way too much to break, so you need some of it.
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[User Picture]From: toast0
2005-11-19 04:53 am (UTC)
Excellent. Are you planning to have them geographically distributed, or more or less all in the SF area?

Either way, it will be good to see what sort of multi data center solutions you come up with.

(My multi data center MySQL situation is workable, but far from great.)
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[User Picture]From: mart
2005-11-19 01:53 am (UTC)

Well, I can't remember what time you were planning to do this, but either you've done it already while I was at the bar or you'll be doing it while I'm asleep or nursing my hangover, so either way I don't really care. Nice one.

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