| From: | Fujii Masao <masao(dot)fujii(at)gmail(dot)com> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, Simon Riggs <simon(at)2ndquadrant(dot)com> |
| Subject: | Re: How should the waiting backends behave in sync rep? |
| Date: | 2011-03-16 07:36:28 |
| Message-ID: | AANLkTinS_xHoModBZYWkfGwzxVCjkweLMx27nj=wMEX2@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Sat, Mar 12, 2011 at 3:12 AM, Robert Haas <robertmhaas(at)gmail(dot)com> wrote:
> There's a comment that looks related to this issue in syncrep.c. It reads:
>
> /*
> * We don't receive SIGHUPs at this point, so resetting
> * synchronous_standby_names has no effect on waiters.
> */
>
> It's unclear to me what this actually means. Is there some reason we
> CAN'T receive SIGHUPs at that point, or have we just chosen not to
> (for unexplained reasons)?
Not sure. Simon?
It seems harmless to receive SIGHUP at that point.
Regards,
--
Fujii Masao
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
NTT Open Source Software Center
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