| From: | "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com> |
|---|---|
| To: | Stuart Bishop <stuart(at)stuartbishop(dot)net> |
| Cc: | pgsql-performance(at)postgresql(dot)org |
| Subject: | Re: Mount database on RAM disk? |
| Date: | 2005-07-08 03:05:42 |
| Message-ID: | 42CDED86.3000108@commandprompt.com |
| Views: | Whole Thread | Raw Message | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-performance |
Stuart Bishop wrote:
> I'm putting together a road map on how our systems can scale as our load
> increases. As part of this, I need to look into setting up some fast read
> only mirrors of our database. We should have more than enough RAM to fit
> everything into memory. I would like to find out if I could expect better
> performance by mounting the database from a RAM disk, or if I would be
> better off keeping that RAM free and increasing the effective_cache_size
> appropriately.
In theory yes if you can fit the entire database onto a ram disk then
you would see a performance benefit.
Sincerely,
Joshua D. Drake
>
> I'd also be interested in knowing if this is dependant on whether I am
> running 7.4, 8.0 or 8.1.
>
>
--
Your PostgreSQL solutions provider, Command Prompt, Inc.
24x7 support - 1.800.492.2240, programming, and consulting
Home of PostgreSQL Replicator, plPHP, plPerlNG and pgPHPToolkit
http://www.commandprompt.com / http://www.postgresql.org
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Chris Browne | 2005-07-08 03:30:09 | Re: Mount database on RAM disk? |
| Previous Message | Stuart Bishop | 2005-07-08 01:32:40 | Mount database on RAM disk? |