From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
---|---|
To: | Stephen Frost <sfrost(at)snowman(dot)net> |
Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, Fabrízio Mello <fabriziomello(at)gmail(dot)com>, Pgsql Hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: GSoC proposal - "make an unlogged table logged" |
Date: | 2014-03-03 17:22:35 |
Message-ID: | 10144.1393867355@sss.pgh.pa.us |
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Lists: | pgsql-hackers |
Stephen Frost <sfrost(at)snowman(dot)net> writes:
> * Robert Haas (robertmhaas(at)gmail(dot)com) wrote:
>> On Mon, Mar 3, 2014 at 11:28 AM, Fabrzio de Royes Mello
>> <fabriziomello(at)gmail(dot)com> wrote:
>>> Is the TODO item "make an unlogged table logged" [1] a good GSoC project?
>> I'm pretty sure we found some problems in that design that we couldn't
>> figure out how to solve. I don't have a pointer to the relevant
>> -hackers discussion off-hand, but I think there was one.
> ISTR the discussion going something along the lines of "we'd have to WAL
> log the entire table to do that, and if we have to do that, what's the
> point?".
IIRC, the reason you'd have to do that is to make the table contents
appear on slave servers. If you don't consider replication then it might
seem easier.
regards, tom lane
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