Re: Race conditions with checkpointer and shutdown

On Fri, Apr 19, 2019 at 2:30 PM Michael Paquier <michael@paquier.xyz> wrote:
> On Thu, Apr 18, 2019 at 05:57:39PM -0400, Tom Lane wrote:
> > Anyway, this is *not* new in v12.
>
> Indeed.  It seems to me that v12 makes the problem easier to appear
> though, and I got to wonder if c6c9474 is helping in that as more
> cases are popping up since mid-March.

Interesting, but I'm not sure how that could be though.  Perhaps, a
bit like the other thing that cropped up in the build farm after that
commit, removing ~200ms of needless sleeping around an earlier online
CHECKPOINT made some other pre-existing race condition more likely to
go wrong.

-- 
Thomas Munro
https://enterprisedb.com