| From: | Matthias van de Meent <boekewurm+postgres(at)gmail(dot)com> |
|---|---|
| To: | |
| Cc: | Peter Geoghegan <pg(at)bowt(dot)ie>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Improving btree performance through specializing by key shape, take 2 |
| Date: | 2022-07-27 07:35:24 |
| Message-ID: | CAEze2WiczWe3xSbOMLpk8+BCx9nYBoKuGgo2qygbSJ-eN1yDwg@mail.gmail.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
On Mon, 4 Jul 2022 at 16:18, Matthias van de Meent
<boekewurm+postgres(at)gmail(dot)com> wrote:
>
> On Sun, 5 Jun 2022 at 21:12, Matthias van de Meent
> <boekewurm+postgres(at)gmail(dot)com> wrote:
> > While working on benchmarking the v2 patchset, I noticed no
> > improvement on reindex, which I attributed to forgetting to also
> > specialize comparetup_index_btree in tuplesorth.c. After adding the
> > specialization there as well (attached in v3), reindex performance
> > improved significantly too.
>
> PFA version 4 of this patchset. Changes:
Version 5 now, which is identical to v4 except for bitrot fixes to
deal with f58d7073.
Kind regards,
Matthias van de Meent.
| Attachment | Content-Type | Size |
|---|---|---|
| v5-0002-Use-specialized-attribute-iterators-in-backend-nb.patch | application/x-patch | 9.3 KB |
| v5-0004-Optimize-attribute-iterator-access-for-single-col.patch | application/x-patch | 3.5 KB |
| v5-0003-Specialize-the-nbtree-rd_indam-entry.patch | application/x-patch | 4.0 KB |
| v5-0001-Specialize-nbtree-functions-on-btree-key-shape.patch | application/x-patch | 233.6 KB |
| v5-0005-Add-a-function-whose-task-it-is-to-populate-all-a.patch | application/x-patch | 3.6 KB |
| v5-0008-Implement-dynamic-prefix-compression-in-nbtree.patch | application/x-patch | 22.7 KB |
| v5-0007-Add-specialization-to-btree-index-creation.patch | application/x-patch | 12.0 KB |
| v5-0006-Implement-specialized-uncacheable-attribute-itera.patch | application/x-patch | 9.9 KB |
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Simon Riggs | 2022-07-27 07:36:13 | Re: [PATCH] Compression dictionaries for JSONB |
| Previous Message | Kyotaro Horiguchi | 2022-07-27 07:08:07 | Re: Slow standby snapshot |