| From: | "David G(dot) Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | John Iliffe <john(dot)iliffe(at)iliffe(dot)ca>, "pgsql-general(at)postgresql(dot)org" <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: Large and Growing Group of Files |
| Date: | 2017-03-13 23:20:50 |
| Message-ID: | CAKFQuwb-8_+K6SrxYVP3ZaX6SR4-C-8554B+G1kCRQydRgQ=gg@mail.gmail.com |
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| Lists: | pgsql-general |
On Mon, Mar 13, 2017 at 4:12 PM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> John Iliffe <john(dot)iliffe(at)iliffe(dot)ca> writes:
> > Can anybody tell what these files are and what they do, and more
> importantly
> > if they are needed?
>
> They are database table files, and you will certainly be unhappy if you
> just manually rm them.
>
> You can read some theory here:
>
> https://www.postgresql.org/docs/9.2/static/storage.html
In particular note the paragraph whose leading sentence is:
"Tablespaces make the scenario more complicated."
What you showed up was the "far end" of a custom tablespace link.
David J.
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