Re: Proposal for 9.1: WAL streaming from WAL buffers

From: Dimitri Fontaine <dfontaine(at)hi-media(dot)com>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Robert Haas <robertmhaas(at)gmail(dot)com>, Fujii Masao <masao(dot)fujii(at)gmail(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Proposal for 9.1: WAL streaming from WAL buffers
Date: 2010-07-07 14:20:21
Message-ID: 87bpaj8jbu.fsf@hi-media-techno.com
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Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> writes:
> Dimitri Fontaine <dfontaine(at)hi-media(dot)com> writes:
>> Stop me if I'm all wrong already, but I though we said that we should
>> handle this case by decoupling what we can send to the standby and what
>> it can apply.
>
> What's the point of that? It won't make the standby apply any faster.

True, but it allows to send the WAL content before to ack its fsync.

Regards.
--
dim

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