Re: LogwrtResult contended spinlock

Masahiko Sawada <sawada.mshk@gmail.com>

From: Masahiko Sawada <sawada.mshk@gmail.com>

To: Alvaro Herrera <alvherre@alvh.no-ip.org>

Cc: Anastasia Lubennikova <a.lubennikova@postgrespro.ru>, Andres Freund <andres@anarazel.de>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>, Jaime Casanova <jaime.casanova@2ndquadrant.com>

Date: 2021-01-22T14:28:46Z

Lists: pgsql-hackers

On Fri, Jan 22, 2021 at 10:39 PM Alvaro Herrera <alvherre@alvh.no-ip.org> wrote:
>
> On 2021-Jan-22, Masahiko Sawada wrote:
>
> > On Wed, Nov 25, 2020 at 12:02 AM Alvaro Herrera <alvherre@alvh.no-ip.org> wrote:
>
> > > Yes, please move it forward.  I'll post an update sometime before the
> > > next CF.
> >
> > Anything update on this?
>
> I'll update this one early next week.

Great, thanks! I'll look at that.

Regards,

-- 
Masahiko Sawada
EDB:  https://www.enterprisedb.com/

Commits

Remove bogus assertion in pg_atomic_monotonic_advance_u64
- 768f0c3e21b3 18.0 landed
- 3a9d0d774d90 17.0 landed
Add XLogCtl->logInsertResult
- f3ff7bf83bce 17.0 cited
Operate XLogCtl->log{Write,Flush}Result with atomics
- ee1cbe806dad 17.0 landed
Split XLogCtl->LogwrtResult into separate struct members
- c9920a9068ea 17.0 landed
Introduce atomic read/write functions with full barrier semantics.
- bd5132db558b 17.0 cited
Reduce the number of GetFlushRecPtr() calls done by walsenders.
- e369f3708636 13.0 cited
Remove most volatile qualifiers from xlog.c
- 6ba4ecbf477e 9.5.0 cited