| From: | Gavin Sherry <swm(at)alcove(dot)com(dot)au> |
|---|---|
| To: | Bruce Momjian <bruce(at)momjian(dot)us> |
| Cc: | Heikki Linnakangas <heikki(at)enterprisedb(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Bitmap index thoughts |
| Date: | 2007-02-02 00:34:49 |
| Message-ID: | Pine.LNX.4.58.0702021131440.24864@linuxworld.com.au |
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| Thread: | |
| Lists: | pgsql-hackers |
On Thu, 1 Feb 2007, Bruce Momjian wrote:
>
> Where are we on this patch? Does it have performance tests to show
> where it is beneificial? Is it ready to be reviewed?
I've got an updated patch which adds significant performance improvements
for worse case data distributions. It also contains a rewrite of the WAL
code to handle incomplete actions.
I haven't worked on the stuff discussed below with Heikki. It's a lot of
work and probably more suitable for a second generation.
I've just got to finish testing the merge of Tom's operator family stuff
and then I'll send off the patch and performance figures.
Thanks,
Gavin
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