| From: | Fujii Masao <masao(dot)fujii(at)gmail(dot)com> |
|---|---|
| To: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
| Cc: | Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Streaming replication and non-blocking I/O |
| Date: | 2009-12-10 06:41:12 |
| Message-ID: | 3f0b79eb0912092241t77449d0bu52a46d7ad128e0fc@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Thu, Dec 10, 2009 at 12:00 AM, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
>> The OS buffer is expected to be able to store a large number of
>> XLogRecPtr messages, because its size is small. So it's also OK
>> to just drop it.
>
> It certainly seems to be something we could improve later, when and
> if evidence emerges that it's a real-world problem. For now,
> simple is beautiful.
I just dropped the backend libpq changes related to non-blocking I/O.
git://git.postgresql.org/git/users/fujii/postgres.git
branch: replication
Regards,
--
Fujii Masao
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
NTT Open Source Software Center
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