| From: | Jehan-Guillaume de Rorthais <jgdr(at)dalibo(dot)com> |
|---|---|
| To: | Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at> |
| Cc: | basti <mailinglist(at)unix-solution(dot)de>, pgsql-general <pgsql-general(at)postgresql(dot)org> |
| Subject: | Re: prevent WAL replication to fill filesystem |
| Date: | 2021-08-31 09:37:52 |
| Message-ID: | 20210831113752.2be1ed44@firost |
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| Lists: | pgsql-general |
On Tue, 31 Aug 2021 10:53:45 +0200
Laurenz Albe <laurenz(dot)albe(at)cybertec(dot)at> wrote:
> On Tue, 2021-08-31 at 10:36 +0200, basti wrote:
> > have a old PG 9.6 with WAL replication.
> > for some reason the rsync was failed and the filesystem was filled by
> > pg_xlog files.
> > As result PG stops working.
> >
> > Is there a way to prevent WAL replication to fill filesystem by xlog
> > files in case of failure?
No.
You have to size your partition big enough to handle few days of normal
WAL production, monitor the archiving success and react quickly to fix things
when it fails.
> Upgrade to v13 and set "max_slot_wal_keep_size".
How this would prevent the failure if $OP doesn't (want to) use slots ? He
speaks about rsync, so it might be purely archiving error, not streaming.
Regards,
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