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Re: Streaming replication and non-blocking I/O

Fujii Masao <masao.fujii@gmail.com>

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From: Fujii Masao <masao.fujii@gmail.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Heikki Linnakangas <heikki.linnakangas@enterprisedb.com>, PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2009-12-10T06:41:12Z
Lists: pgsql-hackers 
On Thu, Dec 10, 2009 at 12:00 AM, Tom Lane <tgl@sss.pgh.pa.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