| From: | Alvaro Herrera <alvherre(at)commandprompt(dot)com> |
|---|---|
| To: | Stephen Frost <sfrost(at)snowman(dot)net> |
| Cc: | pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Pre-alloc ListCell's optimization |
| Date: | 2011-05-26 16:38:15 |
| Message-ID: | 1306427784-sup-4376@alvh.no-ip.org |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
Excerpts from Stephen Frost's message of mar may 24 22:56:21 -0400 2011:
> Greetings,
>
> Someone (*cough*Haas*cough) made a claim over beers at PGCon that it
> would be very difficult to come up with a way to pre-allocate List
> entries and maintain the current List API. I'll admit that it wasn't
> quite as trivial as I had *hoped*, but attached is a proof-of-concept
> patch which does it.
I think what this patch is mainly missing is a description of how the
new allocation is supposed to work, so that we can discuss the details
without having to reverse-engineer them from the code.
--
Álvaro Herrera <alvherre(at)commandprompt(dot)com>
The PostgreSQL Company - Command Prompt, Inc.
PostgreSQL Replication, Consulting, Custom Development, 24x7 support
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Alvaro Herrera | 2011-05-26 16:49:55 | Re: about EDITOR_LINENUMBER_SWITCH |
| Previous Message | Tom Lane | 2011-05-26 16:34:34 | Re: BUG #6041: Unlogged table was created bad in slave node |