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Re: Streaming replication on win32, still broken

From: Fujii Masao <masao(dot)fujii(at)gmail(dot)com>
To: Heikki Linnakangas <heikki(dot)linnakangas(at)enterprisedb(dot)com>
Cc: Magnus Hagander <magnus(at)hagander(dot)net>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Streaming replication on win32, still broken
Date: 2010-02-22 04:47:03
Message-ID: 3f0b79eb1002212047l12c78dffo1bacaafed0e8668c@mail.gmail.com (view raw or flat)
Thread:
Lists: pgsql-hackers
On Fri, Feb 19, 2010 at 7:54 PM, Heikki Linnakangas
<heikki(dot)linnakangas(at)enterprisedb(dot)com> wrote:
> Heikki Linnakangas wrote:
>> Magnus Hagander wrote:
>>> Well, it's going to make the process that reads the WAL cause actual
>>> physical I/O... That'll take a chunk out of your total available I/O,
>>> which is likely to push you to the limit of your I/O capacity much
>>> quicker.
>>
>> Right, doesn't seem sensible, though it would be nice to see a benchmark
>> on that.
>>
>> Here's a patch to disable O_DIRECT when archiving or streaming is
>> enabled. This is pretty hard to test, so any extra eyeballs would be nice..
>
> Committed. Can you check that this fixed the PANIC you saw?

Thanks! Yeah, SR works fine in my MinGW environment.

Regards,

-- 
Fujii Masao
NIPPON TELEGRAPH AND TELEPHONE CORPORATION
NTT Open Source Software Center

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