| From: | Craig Ringer <craig(at)2ndquadrant(dot)com> |
|---|---|
| To: | Andrey Borodin <amborodin(at)acm(dot)org> |
| Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, amul sul <sulamul(at)gmail(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: pg_background contrib module proposal |
| Date: | 2016-12-13 01:23:16 |
| Message-ID: | CAMsr+YFrmWPpVOD8wyBvfKK9haDXFbfKd_SEzXXT_MovP=0HPw@mail.gmail.com |
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| Lists: | pgsql-hackers |
On 13 December 2016 at 01:17, Andrew Borodin <borodin(at)octonica(dot)com> wrote:
> 6. Cancelation: a way to signal to background query that it's time to
> quit gracefully.
That at least should be fuss-free. SIGTERM it, and make sure the
worker does CHECK_FOR_INTERRUPTS() in regularly-hit places and loops.
Ensure the worker waits on latches rather than pg_usleep()ing.
--
Craig Ringer http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services
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