On Thu, Oct 1, 2020 at 8:08 PM Thomas Munro <thomas.mu...@gmail.com> wrote:
> On Tue, Sep 29, 2020 at 9:12 PM Thomas Munro <thomas.mu...@gmail.com> > wrote: > > On Tue, Sep 29, 2020 at 7:11 PM Michael Paquier <mich...@paquier.xyz> > wrote: > > > #2 0x00000000009027d2 in ExceptionalCondition > > > (conditionName=conditionName@entry=0xa80846 "!barrier->static_party", > > > > > #4 0x0000000000682ebf in ExecParallelHashJoinNewBatch > > > > Thanks. Ohhh. I think I see how that condition was reached and what > > to do about it, but I'll need to look more closely. I'm away on > > vacation right now, and will update in a couple of days when I'm back > > at a real computer. > > Here's a throw-away patch to add some sleeps that trigger the problem, > and a first draft fix. I'll do some more testing of this next week > and see if I can simplify it. > I was just taking a look at the patch and noticed the commit message says: > With unlucky timing and parallel_leader_participation off... Is parallel_leader_participation being off required to reproduce the issue?
