| From: | Oleksandr Shulgin <oleksandr(dot)shulgin(at)zalando(dot)de> |
|---|---|
| To: | Craig Ringer <craig(at)2ndquadrant(dot)com> |
| Cc: | PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Setting libpq TCP keepalive parameters from environment |
| Date: | 2018-05-09 09:49:25 |
| Message-ID: | CACACo5RvdMHx4XXqQJEMmN2_FmKSz5iLL9nTgBton-Gh4Q3wRQ@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Wed, May 9, 2018 at 1:58 AM, Craig Ringer <craig(at)2ndquadrant(dot)com> wrote:
> >
> > It would be much more convenient to just set the environment variable
> when
> > running the script and let it affect the whole process and its children.
> >
> > Would a patch be welcome?
>
> I can't really comment on that part, but:
>
> PGOPTIONS="-c tcp_keepalives_count=5 -c tcp_keepalives_interval=60"
> psql 'host=localhost'
>
> should enable server-side keepalives. Unsure how much that helps you
> if you need client-side keepalives too.
>
Good point, in our specific case it appears to work as well if it's the
server who sends the keepalives.
Thank you,
--
Alex
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