Horton

Re: Race conditions with WAL sender PID lookups

Alvaro Herrera <alvherre@2ndquadrant.com>

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From: Alvaro Herrera <alvherre@2ndquadrant.com>
To: Michael Paquier <michael.paquier@gmail.com>
Cc: Robert Haas <robertmhaas@gmail.com>, Masahiko Sawada <sawada.mshk@gmail.com>, Thomas Munro <thomas.munro@enterprisedb.com>, PostgreSQL mailing lists <pgsql-hackers@postgresql.org>
Date: 2017-06-30T22:20:43Z
Lists: pgsql-hackers 
Michael Paquier wrote:
> On Thu, Jun 29, 2017 at 7:52 AM, Alvaro Herrera
> <alvherre@2ndquadrant.com> wrote:

> > I think I'm done with the walsender half of this patch; I still need to
> > review the walreceiver part.  I will report back tomorrow 19:00 CLT.
> 
> Thanks!
> 
> > Currently, I'm considering not to backpatch any of this.
> 
> Considering how crazy the conditions to make the information fetched
> by users inconsistent are met, I agree with that.

Pushed.

-- 
Álvaro Herrera                https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

Commits

  1. Fix locking in WAL receiver/sender shmem state structs

  2. pgstat: add WAL receiver status view & SRF