| From: | Frank Lanitz <frank(at)frank(dot)uvena(dot)de> |
|---|---|
| To: | pgsql-performance(at)postgresql(dot)org |
| Subject: | Re: Tons of free RAM. Can't make it go away. |
| Date: | 2012-10-22 17:49:57 |
| Message-ID: | 20121022194957.ef65b55add24615b88388145@frank.uvena.de |
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| Lists: | pgsql-performance |
On Mon, 22 Oct 2012 12:35:32 -0500
Shaun Thomas <sthomas(at)optionshouse(dot)com> wrote:
> Hey everyone!
>
> This is pretty embarrassing, but I've never seen this before. This is
> our system's current memory allocation from 'free -m':
>
> total used free buffers cached
> Mem: 72485 58473 14012 3 34020
> -/+ buffers/cache: 24449 48036
>
> So, I've got 14GB of RAM that the OS is just refusing to use for disk
> or page cache. Does anyone know what might cause that?
Maybe it's not needed? What make you think the OS shall allocate all the
memory?
--
Frank Lanitz <frank(at)frank(dot)uvena(dot)de>
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