Horton

Re: BUG #15585: infinite DynamicSharedMemoryControlLock waiting in parallel query

Thomas Munro <thomas.munro@enterprisedb.com>

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From: Thomas Munro <thomas.munro@enterprisedb.com>
To: Maksim Milyutin <milyutinma@gmail.com>
Cc: sk@zsrv.org, PostgreSQL mailing lists <pgsql-bugs@lists.postgresql.org>
Date: 2019-01-21T21:24:10Z
Lists: pgsql-bugs 
On Thu, Jan 17, 2019 at 3:23 AM Maksim Milyutin <milyutinma@gmail.com> wrote:
> Recently one of our customers encountered the same problem on PG 11.1. The query structure and error messages are similar to one that was described in [1].

Hi Maksim,

Thanks for this report, and apologies for not responding sooner (I was
out of the office).  Indeed, it seems quite similar to the other 2
reports.  I'm still trying to reproduce the root problem here.

-- 
Thomas Munro
http://www.enterprisedb.com

Commits

  1. Fix race in dsm_attach() when handles are reused.