Re: undetected deadlock in ALTER SUBSCRIPTION ... REFRESH PUBLICATION
Shlok Kyal <shlok.kyal.oss@gmail.com>
From: Shlok Kyal <shlok.kyal.oss@gmail.com>
To: Tomas Vondra <tomas.vondra@enterprisedb.com>
Cc: Amit Kapila <amit.kapila16@gmail.com>, PostgreSQL Hackers <pgsql-hackers@lists.postgresql.org>
Date: 2023-12-06T05:25:51Z
Lists: pgsql-hackers
Attachments
- Performance_Test.xlsx (application/vnd.openxmlformats-officedocument.spreadsheetml.sheet)
On Tue, 5 Dec 2023 at 17:18, Tomas Vondra <tomas.vondra@enterprisedb.com> wrote: > > On 12/5/23 08:14, Shlok Kyal wrote: > > Hi, > > > >> As for the test results, I very much doubt the differences are not > >> caused simply by random timing variations, or something like that. And I > >> don't understand what "Performance Machine Linux" is, considering those > >> timings are slower than the other two machines. > > > > The machine has Total Memory of 755.536 GB, 120 CPUs and RHEL 7 Operating System > > Also find the detailed info of the performance machine attached. > > > > Thanks for the info. I don't think the tests really benefit from this > much resources, I would be rather surprised if it was faster beyond 8 > cores or so. The CPU frequency likely matters much more. Which probably > explains why this machine was the slowest. > > Also, I wonder how much the results vary between the runs. I suppose you > only did s single run for each, right? I did 10 runs for each of the cases and reported the median result in the previous thread. I have documented the result of the runs and have attached the same here. Thanks and Regards, Shlok Kyal
Commits
-
Fix an undetected deadlock due to apply worker.
- 8d7d2197f31c 17.0 landed
- 01cc92fa6251 16.2 landed
- 332b43063351 15.6 landed
- 3f86867d560f 14.11 landed
- b47ea4f3d305 13.14 landed
- e81e617f3273 12.18 landed