| From: | Robert Haas <robertmhaas(at)gmail(dot)com> |
|---|---|
| To: | YAMAMOTO Takashi <yamt(at)mwd(dot)biglobe(dot)ne(dot)jp> |
| Cc: | simon(at)2ndquadrant(dot)com, pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: synchronous commit vs. hint bits |
| Date: | 2011-11-30 13:10:00 |
| Message-ID: | CA+TgmobxA-b8sZey9wvcFND9P3W2Pub1haatpg5pfRKZ-6sA8w@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Wed, Nov 30, 2011 at 1:37 AM, YAMAMOTO Takashi
<yamt(at)mwd(dot)biglobe(dot)ne(dot)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? I
thought the point of synchronous_commit=off was to move the fsyncs to
the background, but not necessarily to decrease the frequency.
--
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company
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