|From:||Simon Riggs <simon(at)2ndQuadrant(dot)com>|
|To:||Michael Paquier <michael(dot)paquier(at)gmail(dot)com>|
|Cc:||Vladimir Borodin <root(at)simply(dot)name>, Simon Riggs <simon(at)2ndquadrant(dot)com>, David Steele <david(at)pgmasters(dot)net>, Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>|
|Subject:||Re: Improving replay of XLOG_BTREE_VACUUM records|
|Views:||Raw Message | Whole Thread | Download mbox|
On 10 March 2016 at 09:22, Michael Paquier <michael(dot)paquier(at)gmail(dot)com>
> On Thu, Mar 10, 2016 at 10:00 AM, Vladimir Borodin <root(at)simply(dot)name>
> > Let’s do immediately after you will send a new version of your patch? Or
> > even better after testing your patch? Don’t get me wrong, but rejecting
> > patch without tangible work on your patch may lead to forgiving about the
> > problem before 9.6 freeze.
> This makes sense. Let's not reject this patch yet if the alternative
> approach is not committed.
I attach 2 patches.
Takes the approach that we generate the same WAL records as in 9.5, we just
choose not to do anything with that information. This is possible because
we don't care anymore whether it is toast or other relations. So it
effectively reverts parts of the earlier patch.
This could be easily back-patched more easily.
Adds recheck code for toast access. I'm not certain this is necessary, but
here it is. No problems found with it.
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