| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Thomas Munro <thomas(dot)munro(at)gmail(dot)com> |
| Cc: | Michael Paquier <michael(at)paquier(dot)xyz>, Robert Haas <robertmhaas(at)gmail(dot)com>, Postgres hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: Race conditions with checkpointer and shutdown |
| Date: | 2019-04-19 02:57:45 |
| Message-ID: | 4500.1555642665@sss.pgh.pa.us |
| Views: | Whole Thread | Raw Message | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-hackers |
Thomas Munro <thomas(dot)munro(at)gmail(dot)com> writes:
> 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.
The data that we've got is entirely consistent with the idea that
there's a timing-sensitive bug that gets made more or less likely
to trigger by "unrelated" changes in test cases or server code.
regards, tom lane
| From | Date | Subject | |
|---|---|---|---|
| Next Message | Peter Geoghegan | 2019-04-19 03:13:44 | Re: Pathological performance when inserting many NULLs into a unique index |
| Previous Message | Tom Lane | 2019-04-19 02:53:58 | Re: Unhappy about API changes in the no-fsm-for-small-rels patch |