On Mon, Jul 22, 2024 at 2:17 PM Melanie Plageman <melanieplage...@gmail.com> wrote: > > So, I've just gone through all the test failures on master and 17 for > mamba, gull, mereswine, and copperhead. I wanted to confirm that the > test was always failing for the same reason and also if it had any > failures pre-TIDStore. > > We've only run tests with this commit on some of the back branches for > some of these animals. Of those, I don't see any failures so far. So, > it seems the test instability is just related to trying to get > multiple passes of index vacuuming reliably with TIDStore. > > AFAICT, all the 32bit machine failures are timeouts waiting for the > standby to catch up (mamba, gull, merswine). Unfortunately, the > failures on copperhead (a 64 bit machine) are because we don't > actually succeed in triggering a second vacuum pass. This would not be > fixed by a longer timeout. > > Because of this, I'm inclined to revert the test on 17 and master to > avoid distracting folks committing other work and seeing those animals > go red.
Okay, I reverted this for now on 17 and master. Adding Sawada-san to the thread to see if he has any ideas for a smaller two-round index vacuum example. - Melanie