| From: | David Rowley <dgrowleyml(at)gmail(dot)com> |
|---|---|
| To: | Heikki Linnakangas <hlinnakangas(at)vmware(dot)com> |
| Cc: | PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: init_sequence spill to hash table |
| Date: | 2013-11-15 05:47:18 |
| Message-ID: | CAApHDvoCgp70vOuQYKTfguMED__Qg7YYpGnzHSN0i2sUuBtjRg@mail.gmail.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
On Fri, Nov 15, 2013 at 3:03 AM, Heikki Linnakangas <hlinnakangas(at)vmware(dot)com
> wrote
>
> I think that means that we should just completely replace the list with
> the hash table. The difference with a small N is lost in noise, so there's
> no point in keeping the list as a fast path for small N. That'll make the
> patch somewhat simpler.
> - Heikki
>
Attached is a much more simple patch which gets rid of the initial linked
list.
| Attachment | Content-Type | Size |
|---|---|---|
| hashtab_seq_v0.2.patch | application/octet-stream | 4.2 KB |
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Pavel Stehule | 2013-11-15 05:47:32 | Re: [PATCH] SQL assertions prototype |
| Previous Message | Nigel Heron | 2013-11-15 05:29:04 | Re: stats for network traffic WIP |