Re: use less space in xl_xact_commit patch - Mailing list pgsql-hackers

From Simon Riggs
Subject Re: use less space in xl_xact_commit patch
Date
Msg-id BANLkTinx+NVw1g6zS0aWFJH6EVbhivTX7g@mail.gmail.com
Whole thread Raw
In response to Re: use less space in xl_xact_commit patch  (Leonardo Francalanci <m_lists@yahoo.it>)
Responses Re: use less space in xl_xact_commit patch
List pgsql-hackers
On Wed, Jun 15, 2011 at 10:55 AM, Leonardo Francalanci <m_lists@yahoo.it> wrote:
>> >  On Wed, May 25, 2011 at 3:05 PM, Simon Riggs <simon@2ndquadrant.com>
> wrote:
>> > Leonardo, can you  submit an updated version of this patch today that
>> > incorporates Simon's  suggestion?
>
>
> Mmmh, maybe it was simpler than I thought; I must be
> missing something... patch attached

No, I think it is that simple.

Patch looks OK on initial eyeball. More detailed review to follow.

With regards to the naming, I think it would be better if we kept
XLOG_XACT_COMMIT record exactly as it is now, and make the second
record an entirely new record called XLOG_XACT_COMMIT_FASTPATH. That
way we retain backwards compatibility.

If you'd like to rework like that please, otherwise I can take it from
here if you'd like.

> How can I test it with "weird" stuff as subtransactions, shared
> cache invalidation messages...?

make installcheck should cover those.

--
 Simon Riggs                   http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services


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