Re: synchronous commit vs. hint bits

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От yamt@mwd.biglobe.ne.jp (YAMAMOTO Takashi)
Тема Re: synchronous commit vs. hint bits
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Msg-id 20111201062932.DF04014A257@mail.netbsd.org
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Ответ на Re: synchronous commit vs. hint bits  (Robert Haas <robertmhaas@gmail.com>)
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hi,

> On Wed, Nov 30, 2011 at 1:37 AM, YAMAMOTO Takashi
> <yamt@mwd.biglobe.ne.jp> wrote:
>>> Yes, I would expect that.  What kind of increase are you seeing?  Is
>>> it causing a problem for you, or are you just making an observation?
>>
>> i was curious because my application uses async commits mainly to
>> avoid frequent fsync.  i have no numbers right now.
> 
> Oh, that's interesting.  Why do you want to avoid frequent fsyncs?

simply because it was expensive on my environment.

> I
> thought the point of synchronous_commit=off was to move the fsyncs to
> the background, but not necessarily to decrease the frequency.

it makes sense.
but it's normal for users to abuse features. :)

YAMAMOTO Takashi

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