John Sequeira

Amped::Technology
John Sequeira's weblog: enterprise application development, typed weakly.

Friday, April 23, 2004


MySQL Clustering v1.0 ...

only works if you can put all your data in RAM, according to O'Reilly's Andy Oram. That's a big limitation.

OTOH, he also mentions that there are commercial alternatives for MySQL clustering that don't have this limitation, like Emic

http://www.emicnetworks.com/ - clustered MySQL

If you don't need a true RAC-like single-system image, but can deal with a replicated solution, you can do what Sabre did for their MySQL cluster and choose a commercial replication solution:

http://www.insession.com/goldengate/

Also via Jeremy Z, very cool slides on LiveJournal's porgression from vanilla LAMP to fault-tolerant megasite:

http://www.danga.com/words/2004_mysqlcon/

I have to say, I love case studies like this. They're great ammo if you need to pitch an open source alternative, or maybe just keep your Oracle rep honest.
8:41:53 AM      comment []  trackback []


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