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Re: 64 bit or 32 bit? - Mailing list pgsql-novice

From hubert depesz lubaczewski
Subject Re: 64 bit or 32 bit?
Date
Msg-id CAKrjmhdZky3RGteFz-8cR6Xr5FnRt==AtFvojNhW1g+cb2LEnw@mail.gmail.com
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In response to 64 bit or 32 bit?  ("Yuksel Pinarbasi" <yukselp@gmail.com>)
Responses Re: 64 bit or 32 bit?  ("Yuksel Pinarbasi" <yukselp@gmail.com>)
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Using 64 bit will make it easier if you'd ever want to migrate out to beefier hardware.

When architecture is different (for example 32bit vs. 64bit) you have to use pg_dump to migrate (or slony, or some other trigger-based replication).

When architecture is the same, you can migrate by stopping Pg, sending PGDATA directory to new machine, and then starting Pg there. Or using PostgreSQL streaming replication and failing over. Faster, cheaper, better.

If you know that you'll never move out of this VPS - you could consider 32 bit, but that's rather unlikely to assume.

depesz



On Thu, Jun 5, 2014 at 5:57 PM, Daniel Staal <DStaal@usa.net> wrote:
--As of June 5, 2014 6:55:55 PM +0300, Yuksel Pinarbasi is alleged to have said:

Hi,
I'll setup a PostgreSQL server and a web server on a 2 GB ram VPS
service.
Since the RAM is below 4 GB, should I choose my linux and server apps  64
bit or 32 bit?

--As for the rest, it is mine.

At this point in time, I'd only use 32 bit if the hardware required it.  Go 64 bit.

Daniel T. Staal

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