Re: RDS No free space

From: Ron <ronljohnsonjr(at)gmail(dot)com>
To: pgsql-admin(at)lists(dot)postgresql(dot)org
Subject: Re: RDS No free space
Date: 2023-05-21 19:57:43
Message-ID: e0f0f66e-b0a9-2d93-c1c5-783b2d128daa@gmail.com
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On 5/21/23 12:52, Lucio Chiessi wrote:
> You can check if you having some strong queries that were generating a lot
> of temp files, that will can eat all off free space.

That was my first thought.

>
> On Sun, 21 May 2023 at 14:48 Wells Oliver <wells(dot)oliver(at)gmail(dot)com> wrote:
>
> I'm not too familiar with that. Can you point me in the direction of
> some config settings and maybe queries to execute?
>
> On Sun, May 21, 2023 at 10:43 AM Jim Mlodgenski <jimmy76(at)gmail(dot)com> wrote:
>
>
>
> On Sun, May 21, 2023 at 1:38 PM Wells Oliver
> <wells(dot)oliver(at)gmail(dot)com> wrote:
>
> So we run on RDS, and we clearly used up all of our
> provisioned storage. However, I am baffled, and while I am
> emailing our AWS support, I wondered if this list might point
> me in some direction too.
>
> Our provisioned storage was 15TB. The size of our database --
> shown in pg_database -- is only 6TB. What in the world could
> be using that remaining space? I am at a loss, that's a _ton_
> of space being used up. Is it some temporary allocation during
> script execution (seems ginormous, impossible)? It it some WAL
> log thing?
>
>
> A fairly common cause of this is orphan replication slots so WAL
> files are retained. Check
> to see if there is an inactive slot that may be preventing the
> files to be removed.
>
>
>
> --
> Wells Oliver
> wells(dot)oliver(at)gmail(dot)com <mailto:wellsoliver(at)gmail(dot)com>
>
> --
>
> *Lucio Chiessi*
>
> Senior Database Administrator
>
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