Re: pgbench: option delaying queries till connections establishment?

Thomas Munro <thomas.munro@gmail.com>

From: Thomas Munro <thomas.munro@gmail.com>

To: Fabien COELHO <coelho@cri.ensmp.fr>

Cc: Marina Polyakova <m.polyakova@postgrespro.ru>, pgsql-hackers <pgsql-hackers@postgresql.org>, kuroda.hayato@fujitsu.com

Date: 2021-01-02T09:50:55Z

Lists: pgsql-hackers

Attachments

0001-A.patch (application/octet-stream) patch 0001
0002-Add-pthread_barrier_t-emulation.patch (application/octet-stream) patch 0002
0003-B.patch (application/octet-stream) patch 0003

On Sat, Jan 2, 2021 at 9:15 AM Fabien COELHO <coelho@cri.ensmp.fr> wrote:
> > It looks like macOS doesn't have pthread barriers (via cfbot 2021, now
> > with more operating systems):
>
> Indeed:-(
>
> I'll look into that.

Just for fun, the attached 0002 patch is a quick prototype of a
replacement for that stuff that seems to work OK on a Mac here.  (I'm
not sure if the Windows part makes sense or works.)

Commits

Fix new pthread code to respect --disable-thread-safety.
- de91c3b976cf 14.0 landed
Add missing pthread_barrier_t.
- 44bf3d5083e1 14.0 landed
pgbench: Improve time logic.
- 547f04e7348b 14.0 landed
pgbench: Refactor thread portability support.
- b1d6a8f86813 14.0 landed
pgbench: Synchronize client threads.
- aeb57af8e640 14.0 landed
Fix bogus logic for skipping unnecessary partcollation dependencies.
- 84d514887f9c 12.0 cited