postgres mirroring (real-time)

["Sally Sally" <dedeb17@hotmail.com>]

Does anyone know of a good way of implementing postgres real-time mirroring? 
Whether it's a program that's already out there or whether it is something 
that can be done by the DBA? I know there is one in contrib called dbmirror 
but does it actually work well (it seems to also require pgperl)
Thanks much
Sally

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