| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Peter Eisentraut <peter(dot)eisentraut(at)enterprisedb(dot)com>, Maxim Orlov <orlovmg(at)gmail(dot)com>, Thom Brown <thom(at)linux(dot)com>, Zhang Mingli <zmlpostgres(at)gmail(dot)com>, Michael Paquier <michael(at)paquier(dot)xyz>, Justin Pryzby <pryzby(at)telsasoft(dot)com>, Dilip Kumar <dilipbalaut(at)gmail(dot)com>, Pavel Borisov <pashkin(dot)elfe(at)gmail(dot)com>, Aleksander Alekseev <aleksander(at)timescale(dot)com>, pgsql-hackers(at)lists(dot)postgresql(dot)org, Stephen Frost <sfrost(at)snowman(dot)net>, Alexander Korotkov <aekorotkov(at)gmail(dot)com>, Ilya Anfimov <ilan(at)tzirechnoy(dot)com> |
| Subject: | Re: Add 64-bit XIDs into PostgreSQL 15 |
| Date: | 2022-11-21 20:15:01 |
| Message-ID: | 20221121201501.dqj2b3co7nz54lkv@alap3.anarazel.de |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
Hi,
On 2022-11-21 14:21:35 -0500, Tom Lane wrote:
> Peter Eisentraut <peter(dot)eisentraut(at)enterprisedb(dot)com> writes:
> >> To date testing database cluster wraparund was not easy as initdb has always
> >> inited it with default xid/mxid/mxoff. The option to specify any valid
> >> xid/mxid/mxoff at cluster startup will make these things easier.
>
> > Doesn't pg_resetwal already provide that functionality, or at least some
> > of it?
>
> pg_resetwal does seem like a better, more useful home for this; it'd
> allow you to adjust these numbers after initial creation which might be
> useful. I'm not sure how flexible it is right now in terms of where
> you can set the new values, but that can always be improved.
IIRC the respective pg_resetwal parameters are really hard to use for
something like this, because they don't actually create the respective
SLRU segments. We of course could fix that.
Greetings,
Andres Freund
| From | Date | Subject | |
|---|---|---|---|
| Next Message | David G. Johnston | 2022-11-21 20:16:19 | Re: pgsql: Prevent instability in contrib/pageinspect's regression test. |
| Previous Message | Tom Lane | 2022-11-21 20:12:15 | Re: pgsql: Prevent instability in contrib/pageinspect's regression test. |