Re: Removing archived wal files on Master

Hi Michael,

archived WAL files are not only useful to a standby server, but are also used for Point In Time Recovery.

regards,

fabio

On 22-02-19 12:19, Michael King wrote:
> Hi, 
> I recently acquired a legacy server. This is running Postgresql 9.3 on Ubuntu 16.04. 
> There is around 200GB worth of archived wal files (~12,500 files)  located on /var/lib/postgresql/9.3/main/archive. 
> I have checked and can confirm that this is a standalone server without any Replication setup and no secondary/slave server talking to it.
>
> Checking the /etc/postgresql/9.3/main/postgresql.conf file (write ahead log section), shows the following:
> wal_level = minimal
> archive_mode = off
> archive_command = 'test ! -f /var/lib/postgresql/9.3/main/archive/%f && cp -i %p /var/lib/postgresql/9.3/main/archive/%f </dev/null'
>
> Replication section shows all default values.
>
> Could you please advice how I can cleanup all of these 200GB worth of files.
> I've searched through numerous postgresql books/blogs/articles which all have very good advise on how to setup wal archiving but unfortunately not on how to disable it.
>
> Kind regards,
> Michael
>