Mnesia and Postgres


By Erlang Central | Published: June 7, 2010



Financial systems present a particularly difficult problem in terms of scalability because by implication you have shared data.  The presentation focuses on how we at PMT achieve scalability and redundancy using a combination of Mnesia, PostgreSQL and Oracle Hardware.

We will look at how we at PMT

– recover from the complete failure of Mnesia databases
– keep the two databases synchronised
– utilise a combination of a robust SAN and a set of distributed nodes to get good throughput

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Speakers:

  • Rudolph van Graan

    Director, Pattern Matched Technologies and Telecommunications Consultant
    Pattern Matched Technologies

    Rudolph started working with Erlang during the winter of 2001. He co-founded PMT in 2003 and is the senior software architect. The company focuses on financial transaction processing systems for Mobile Network Operators and Banks. PMT has three main product lines - Emerald for electronic product distribution, voucher management and accounting, Crimson for Financial Switching and Amber for USSD and SMS solutions. Rudolph is a specialist in financial switching and has invented many Erlang techniques that makes it possible to quickly and effectively build reliable commercial systems.

    Rudolph van Graan


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