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Paul Nielsen

Twitter will migrate from MySQL to Cassandra DB

Since most of us are active on Twitter, I figured this would be of interest:


Published Friday, March 5, 2010 4:48 PM by Paul Nielsen



cinahcaM madA said:

Cool, now maybe it will stop dropping so many tweets...

March 5, 2010 8:42 PM

Alin Winters said:

Very cool. Thanks for posting this.

March 6, 2010 1:50 AM

Davide Mauri said:

mmm, well if they want to stay in the "Open-Source" and "Free" technology this is probably the only way to go. MySQL has some serious limitations.

I wonder if using Oracle, DB2 or SQL Server they would have made the same choice (completely changing the model, moving from the Relational to an undefined one) or not. I played with "NoSQL" database a bit and I found that to have scalability one still need to normalize data :) (Ok maybe twitter is another story since they just have to deal with the tweet and that's it)

March 7, 2010 3:28 AM
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About Paul Nielsen

Paul Nielsen believes SQL is the romance language of data. As such he’s a hands-on database developer, Microsoft SQL Server MVP, trainer, and author of SQL Server Bible series (Wiley). As a data architect, he developed the concepts of Smart Database Design and Nordic – an open source O/R dbms for SQL Server. He lives in Colorado Springs.
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