From: | Adrian Klaver <adrian(dot)klaver(at)aklaver(dot)com> |
---|---|
To: | Paul van der Linden <paul(dot)doskabouter(at)gmail(dot)com>, pgsql-general(at)postgresql(dot)org |
Subject: | Re: Safe to delete files? |
Date: | 2019-04-13 00:06:02 |
Message-ID: | 5c1fffd2-6fbe-a083-be90-8a69ee343318@aklaver.com |
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Thread: | |
Lists: | pgsql-general |
On 4/12/19 1:11 PM, Paul van der Linden wrote:
> Hi,
>
> For my process, I needed to drop all the tables in a tablespace except
> one which I truncated.
> After that I would have expected to have a couple of KB max in that
> folder, but there was about 200GB in it.
>
> There were 2 sets of files (<id1>, <id1>.1 .. <id1>.99, and the same for
> id2).
Can you show the actual dir listing?
> Tried the various options from
> https://blog.2ndquadrant.com/postgresql-filename-to-table/ and oid2name
> (with -i), to trace it back to a table but all came up empty.
>
> Now this folder has a bit of a history spanning several postgres
> versions and upgrades, and sometime in the past one of the upgrades went
> horribly wrong, so my first thought was that this was possibly some
> leftovers from that mishap, but the filetimes were a bit later than that.
> Also hard to tell because those tables are used as write-once, read-alot
> so could not base the last usage on filedate.
>
> Normally I probably would dare to risk deleting those files, but after
> the dropping and truncating, the 2 files without extension had the time
> of drop/truncate and were 0 bytes in length (unfortunately I didn't
> check the filesize before drop/truncating).
>
> Are there other options to see if these files are leftovers from
> previous stuff and not used by postgres (so i can safely delete them)?
>
> Postgres 11, just one used database on it (the other one being a postgis
> template), running on windows server 2012.
>
> In replies please use reply to all...
--
Adrian Klaver
adrian(dot)klaver(at)aklaver(dot)com
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