Message-ID: <0981da4150831360f7e72326eb78e2fe6ed5a8ec.camel@cybertec.at>
Subject: Re: Progress of ALTER TABLE on inheritance-partitioned table?
From: Laurenz Albe <laurenz.albe@cybertec.at>
To: Ron <ronljohnsonjr@gmail.com>, pgsql-admin@lists.postgresql.org
Date: Fri, 27 Oct 2023 17:55:52 +0200
In-Reply-To: <19270938-47e4-4863-84e3-8f638eb357b3@gmail.com>
References: <400b499f-7db5-4e00-ac1c-0b20e855dc88@gmail.com>
	 <c492a7d82d7559cb8e547c161b4d84f2b938fcb0.camel@cybertec.at>
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On Fri, 2023-10-27 at 09:19 -0500, Ron wrote:
> On 10/27/23 09:04, Laurenz Albe wrote:
> > On Fri, 2023-10-27 at 08:34 -0500, Ron wrote:
> > > Pg 9.6.24 (Yes, I know; it's out of my control.)
> > >=20
> > > I'm ALTERing that table to change a column from INTEGER to BIGINT. Of
> > > course, all of the partitions are pretty big.
> > >=20
> > > Even though it's one giant transaction, is there any way for me to mo=
nitor
> > > it's progress?
> > No, there is no way to monitor progress.  The best you can do is to fol=
low
> > the growth of the table on disk.
> >=20
> > You could consider logical replication ... oh, wait, 9.6.
>=20
> Since it's really a bunch of "small" partitions, can I track the=20
> (non)existence of those table oid files under $PGDATA/<dboid>?

Probably not.  Perhaps your best bet is to watch the growth of the
data directory.

Yours,
Laurenz Albe