Horton

Re: deadlock-hard flakiness

Thomas Munro <thomas.munro@gmail.com>

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From: Thomas Munro <thomas.munro@gmail.com>
To: Andres Freund <andres@anarazel.de>
Cc: pgsql-hackers@postgresql.org, Robert Haas <robertmhaas@gmail.com>, Tom Lane <tgl@sss.pgh.pa.us>
Date: 2023-02-08T10:39:36Z
Lists: pgsql-hackers 
On Wed, Feb 8, 2023 at 11:34 PM Thomas Munro <thomas.munro@gmail.com> wrote:
> On Wed, Feb 8, 2023 at 2:10 PM Andres Freund <andres@anarazel.de> wrote:
> > I'm fairly sure I've seen this failure on the buildfarm as well, but I'm too
> > impatient to wait for the buildfarm database query (it really should be
> > updated to use lz4 toast compression).
>
> Failures in deadlock-hard (excluding crashes, because they make lots
> of tests appear to fail bogusly) all occurred on animals that are no
> longer with us:

Oh, and there was this thread:

https://www.postgresql.org/message-id/flat/CA%2BhUKGJ6xtAsXFFs%2BSGcR%3DJkv0wCje_W-SUxV1%2BN451Q-5t6MA%40mail.gmail.com

Commits

  1. Fix bugs in GetSafeSnapshotBlockingPids(), introduced in 96003717645

  2. Use annotations to reduce instability of isolation-test results.