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What database does twitter use?

Posted on 2011-05-05
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Hi experts,

I was wondering if any of you know what database does twitter use?

I read this article but I still don't get an answer.

http://ubuntuforums.org/showthread.php?t=1294882

Since twitter gets so much daily traffic I just wanted to know what database they use.

I know Google uses their own custom in-house solution they created from scratch, instead of storing their data in SqlServer, Oracle or Terradata,  so I was wondering if maybe Twitter did the same or do they use Oracle or Terradata for their data storage so they could be able to serve up so many daily transactions.

Thanks for any help you can give me on this question.
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Question by:maqskywalker
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OP_Zaharin earned 2000 total points
ID: 35700053
- twitter in on MySQL and have plans to move to Cassandra database. but have they? no updates as yet:

http://m.computerworld.com/s/article/9161078/Twitter_growth_prompts_switch_from_MySQL_to_NoSQL_database
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by:maqskywalker
ID: 35700145
Thanks for the info. Exactly what I wanted to know.
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by:OP_Zaharin
ID: 35700201
- a further update for you, they are still on MySQL. this is from twitter engineering blog. i preasume they want to do more test on apache cassandra...

http://engineering.twitter.com/2010/07/cassandra-at-twitter-today.html
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