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Re: New replication mode: write

From: Simon Riggs <simon(at)2ndQuadrant(dot)com>
To: Fujii Masao <masao(dot)fujii(at)gmail(dot)com>
Cc: PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: New replication mode: write
Date: 2012-01-23 07:58:17
Message-ID: CA+U5nMLstrWBY3AY+YkyRAwqdTpZfBaRnpS_mJRWufKSKpnesg@mail.gmail.com (view raw or flat)
Thread:
Lists: pgsql-hackers
On Mon, Jan 16, 2012 at 12:45 PM, Fujii Masao <masao(dot)fujii(at)gmail(dot)com> wrote:

>>> Please add the Apply mode.
>>
>> OK, will do.
>
> Done. Attached is the updated version of the patch.

I notice that the Apply mode isn't fully implemented. I had in mind
that you would add the latch required to respond more quickly when
only the Apply pointer has changed.

Is there a reason not to use WaitLatchOrSocket() in WALReceiver? Or
was there another reason for not implementing that?

-- 
 Simon Riggs                   http://www.2ndQuadrant.com/
 PostgreSQL Development, 24x7 Support, Training & Services

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