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Re: ROI on 7.2 to 8.2

From: "Scott Marlowe" <scott(dot)marlowe(at)gmail(dot)com>
To: "Medi Montaseri" <montaseri(at)gmail(dot)com>
Cc: pgsql-admin(at)postgresql(dot)org
Subject: Re: ROI on 7.2 to 8.2
Date: 2007-08-21 17:29:46
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Lists: pgsql-admin
On 8/21/07, Medi Montaseri <montaseri(at)gmail(dot)com> wrote:
> Hi,
> I have finally convinced my manager to "consider" the idea of migrating from
> 7.2 to 8.2. Obviously he needs an ROI (Return Of Investment) analysis (in a
> technical sense).
> So, I am wondering if anyone has worked on a similar project where you had
> to go thru the release notes and bug fixes to compile such a motivational
> speech and willing to share.

This one's really pretty simple.

1: 7.2 is no longer supported by the community.  any issues, you're
pretty much on your own.
2: 7.2 has a problem with transaction ID wraparound that cannot be
fixed.  You have to dump and reload your data every so often or you
will lose data
3: I believe, but I'm not entirely sure, that there are other known
breakages in 7.2 that will eat your data eventually.  Scour the list
for references to such things by Tom Lane.

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