| From: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com> |
|---|---|
| To: | Peter Geoghegan <pg(at)bowt(dot)ie> |
| Cc: | Andres Freund <andres(at)anarazel(dot)de>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Robert Haas <robertmhaas(at)gmail(dot)com>, Thomas Munro <thomas(dot)munro(at)gmail(dot)com>, Daniel Gustafsson <daniel(at)yesql(dot)se>, "Jonathan S(dot) Katz" <jkatz(at)postgresql(dot)org>, Alexander Korotkov <a(dot)korotkov(at)postgrespro(dot)ru>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>, Bruce Momjian <bruce(at)momjian(dot)us>, David Rowley <dgrowleyml(at)gmail(dot)com> |
| Subject: | Re: Improving connection scalability: GetSnapshotData() |
| Date: | 2020-08-17 20:09:40 |
| Message-ID: | 20200817200940.GA8323@alvherre.pgsql |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
On 2020-Aug-16, Peter Geoghegan wrote:
> On Sun, Aug 16, 2020 at 2:11 PM Andres Freund <andres(at)anarazel(dot)de> wrote:
> > For the first, one issue is that there's no obviously good candidate for
> > an uninitialized xid. We could use something like FrozenTransactionId,
> > which may never be in the procarray. But it's not exactly pretty.
>
> Maybe it would make sense to mark the fields as inaccessible or
> undefined to Valgrind. That has advantages and disadvantages that are
> obvious.
... and perhaps making Valgrind complain about it is sufficient.
--
Álvaro Herrera https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Alvaro Herrera | 2020-08-17 20:21:01 | Re: [BUG] Error in BRIN summarization |
| Previous Message | Tom Lane | 2020-08-17 19:25:52 | Re: run pgindent on a regular basis / scripted manner |