Ruuning two instances of Postgres on the same machine - Mailing list pgsql-general

From Robert James
Subject Ruuning two instances of Postgres on the same machine
Date
Msg-id e09785e00907261646g503e751dh8f4065beb5d11178@mail.gmail.com
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Responses Re: Ruuning two instances of Postgres on the same machine
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I'm currently running Postgres 8.2 on Windows XP.  I would like to use some 8.4 features, but I don't want to migrate my 8.2.  Is there any way to run both instances together? Are there any problems with that?
Alternatively, is the procedure to move from 8.2 to 8.4 without data or function loss documented anywhere?
Thanks

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