| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | Thom Brown <thom(at)linux(dot)com> |
| Cc: | Simon Riggs <simon(at)2ndquadrant(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Detach/attach database |
| Date: | 2011-11-14 15:07:28 |
| Message-ID: | CA+TgmoZ4SiVm7f8MSSvC6RvkeTXTSUPLLvz3FJWOyySdUkDpng@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Mon, Nov 14, 2011 at 10:05 AM, Thom Brown <thom(at)linux(dot)com> wrote:
> On 14 November 2011 13:32, Robert Haas <robertmhaas(at)gmail(dot)com> wrote:
>>
>> But Tom's point about XIDs and LSNs seems like it kind of puts a
>> bullet through the heart of the whole idea.
>
> What about having database-level XIDs rather than cluster-level? Is that
> remotely feasible?
Maybe. You'd need a set separate set for shared catalogs, too. It
seems like a heck of a lot of work, though, especially since (IME,
anyway) most people only really one run one database per cluster.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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