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So Hyperic started with PostgreSQL, added MySQL and Oracle, dropped PostgreSQL, and now have dropped MySQL and Oracle and have gone back to PostgreSQL.

Why would I go with a product that's going to require me to change the backend database every few years?

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I never really got the reason why the switched back to PostgreSQL. It kind of read like "I was told to do this and it ended up being way less painful than I thought it would be". In the end it doesn't sound like they really gained that much either.

I think the switch back is because VMware has their own (relatively new) customized PostgreSQL (vPostgres http://www.vmware.com/products/application-platform/vfabric-...) that they sell/support.

It's a reasonable question to ask why you should trust us given several changes in the past, however considering this move makes Hyperic invested in a VMware supported database, I think the likelihood of it changing again any time soon is dramatically lower. Also, since this is a "eating your own dogfood" kind of move, I would actually deem this a very good thing for the product in the long term for scalability and general performance.

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