| From: | "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com> |
|---|---|
| To: | Devrim GÜNDÜZ <devrim(at)commandprompt(dot)com> |
| Cc: | Robert Treat <xzilla(at)users(dot)sourceforge(dot)net>, pgsql-hackers(at)postgresql(dot)org, Andrew Dunstan <andrew(at)dunslane(dot)net>, Alex Drobychev <adrobj(at)yahoo(dot)com>, Heikki Linnakangas <heikki(at)enterprisedb(dot)com> |
| Subject: | Re: How to keep a table in memory? |
| Date: | 2007-11-13 02:53:01 |
| Message-ID: | 4739118D.6030404@commandprompt.com |
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| Lists: | pgsql-hackers |
Devrim GÜNDÜZ wrote:
> Hi,
>
> On Mon, 2007-11-12 at 21:15 -0500, Robert Treat wrote:
>>> 2. you should investigate one or more of: pg_memcache, solid state
>>> disk.
>> you might also consider creating a tablespace on tmpfs or ramfs or
>> something like pramfs
>
> IIRC, ramfs are not that good for database use: If you want to extend
> its size, you have to stop the database instance -- which is not
> considered good.
Well, depending on the size you could push the table to another table
space, drop the old table space, resize the ramfs, and reverse the
previous :)
Joshua D. Drake
>
> Regards,
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