| From: | Claudio Freire <klaussfreire(at)gmail(dot)com> |
|---|---|
| To: | Heikki Linnakangas <hlinnaka(at)iki(dot)fi> |
| Cc: | Peter Geoghegan <pg(at)heroku(dot)com>, pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Tuplesort merge pre-reading |
| Date: | 2016-09-10 00:51:08 |
| Message-ID: | CAGTBQpZ2mcrRyi5FiifCdAFEnznWNLA8Dx-8H6prLw3sECSxMg@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Fri, Sep 9, 2016 at 8:13 AM, Heikki Linnakangas <hlinnaka(at)iki(dot)fi> wrote:
>
> Claudio, if you could also repeat the tests you ran on Peter's patch set on
> the other thread, with these patches, that'd be nice. These patches are
> effectively a replacement for
> 0002-Use-tuplesort-batch-memory-for-randomAccess-sorts.patch. And review
> would be much appreciated too, of course.
>
> Attached are new versions. Compared to last set, they contain a few comment
> fixes, and a change to the 2nd patch to not allocate tape buffers for tapes
> that were completely unused.
Will do so
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