| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>, Michael Paquier <michael(at)paquier(dot)xyz>, Andres Freund <andres(at)anarazel(dot)de>, Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org> |
| Subject: | Re: subscriptionCheck failures on nightjar |
| Date: | 2019-09-17 16:39:33 |
| Message-ID: | 7361.1568738373@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
Robert Haas <robertmhaas(at)gmail(dot)com> writes:
> On Mon, Aug 26, 2019 at 9:29 AM Tomas Vondra
> <tomas(dot)vondra(at)2ndquadrant(dot)com> wrote:
>> This is one of the remaining open items, and we don't seem to be moving
>> forward with it :-(
> Why exactly is this an open item, anyway?
The reason it's still here is that Andres expressed a concern that
there might be more than meets the eye in this. What meets the eye
is that PANICing on file-not-found is not appropriate here, but Andres
seemed to think that the file not being present might reflect an
actual bug not just an expectable race condition [1].
Personally I'd be happy just to treat it as an expectable case and
fix the code to not PANIC on file-not-found.
In either case, it probably belongs in the "older bugs" section;
nightjar is showing the same failure on v11 from time to time.
regards, tom lane
[1] https://www.postgresql.org/message-id/20190213215147.cjbymfojf6xndr4t%40alap3.anarazel.de
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