Production Database requirement

[Azimuddin Mohammed <azimeiu@xxxxxxxxx>]

Hello All, 

Can anyone please let me know

1. What is the hardware and software  requirement for postgressql to be installed in production. We are planning to use postgres for hadoop backend, to store user access info, metadata etc. So, it will not be high transaction db, but we might see lost of reads to this db.

2. Can we use Vm's to run the Db? Is it recommended ?

Thanks in Advance!

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Regards,
Azim

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