| From: | "Fujii Masao" <masao(dot)fujii(at)gmail(dot)com> |
|---|---|
| To: | "Heikki Linnakangas" <heikki(dot)linnakangas(at)enterprisedb(dot)com> |
| Cc: | "Tom Lane" <tgl(at)sss(dot)pgh(dot)pa(dot)us>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Multiplexing SUGUSR1 |
| Date: | 2008-12-11 02:23:08 |
| Message-ID: | 3f0b79eb0812101823o7c74ef85vb4fe44fb1245b40e@mail.gmail.com |
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| Lists: | pgsql-hackers |
Hi,
On Thu, Dec 11, 2008 at 10:55 AM, Fujii Masao <masao(dot)fujii(at)gmail(dot)com> wrote:
> Hi,
>
>> My version doesn't have support for auxiliary processes. Does the
>> synchronous replication patch need that?
>
> Yes, the background writer also generates the WAL like a backend,
> so it has to be able to communicate with walsender.
>
>> On closer look, I don't see anything setting ProcSignalData.pid field. Which
>> make me believe that the patch can't possibly work.
>
> Ooops! My patch has some bugs :(
> I will update the patch based on yours, and add the support for auxiliary
> processes into it.
Or, should I leave renewal of the patch to you? Of course, if you don't have
time, I will do.
Regards,
--
Fujii Masao
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
NTT Open Source Software Center
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