Yandex.Mail's successful migration from Oracle to Postgres [pdf]

Re:Yandex.Mail's successful migration from Oracle to Postgre... by blinkingled on Tuesday September 13, 2016 @02:09PM (#12490793)

> 3x more hardware # for Postgres

Tells you something about how insanely costly Oracle's licenses are. Whatever you say about Oracle though - Oracle DB is an incredibly well performing and reliable piece of software. (Attested by experience - we had several Oracle DBs running on HP-UX Itanium that only needed to be handled when OS and Oracle patches were needed. Massively used too - think 36 PA-RISC cores at peak, 24 IA64 ones. It also helps that there are lot of DBAs with great deal of Oracle experience.)

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Re:Yandex.Mail's successful migration from Oracle to Postgre... by d0uble on Wednesday September 14, 2016 @04:57AM (#12495074)

Nobody argues that Oracle is a very good database. But 3x more hardware and 10 man-years are an order of magnitude cheaper than Oracle licencies cost (even with maximum discount).

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Re:Yandex.Mail's successful migration from Oracle to Postgre... by blinkingled on Wednesday September 14, 2016 @07:07AM (#12495675)

Yes that's the point I was trying to make. Licenses and support are an ongoing cost and from what I keep hearing oracle has increased them significantly in recent years.

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