Skip site navigation (1) Skip section navigation (2)

Re: Postgresql 8.0 beta 1 - strange cpu usage statistics and slow

From: Gaetano Mendola <mendola(at)bigfoot(dot)com>
To: pgsql-general(at)postgresql(dot)org
Subject: Re: Postgresql 8.0 beta 1 - strange cpu usage statistics and slow
Date: 2004-08-24 16:02:17
Message-ID: cgfoqd$6vk$2@floppy.pyrenet.fr (view raw or flat)
Thread:
Lists: pgsql-generalpgsql-hackers-win32
Shelby Cain wrote:

> --- Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:
> 
>>Ah-hah.  The win32 hackers should confirm this, but
>>my recollection is
>>that sync/fsync are no-ops under Cygwin (one of the
>>several reasons
>>we would never recommend that port for production
>>use).  So this would
>>fit the assumption that the 7.4 code was simply not
>>syncing.
>>
> 
> 
> Sounds reasonable.  However, I don't see the same
> performance hit while doing bulk database operations
> (ie: inserts, deletes, updates).  Is that expected
> behavior?  Do vacuum operations fsync()/_commit() more
> often?

I think you have other problems around, see the post where
I did some tests.


Regards
Gaetano Mendola



In response to

pgsql-hackers-win32 by date

Next:From: Magnus HaganderDate: 2004-08-24 16:06:49
Subject: Re: postmaster.pid
Previous:From: Tom LaneDate: 2004-08-24 15:59:34
Subject: Re: postmaster.pid

pgsql-general by date

Next:From: Joe ConwayDate: 2004-08-24 16:07:42
Subject: Re: Is it possible...
Previous:From: Gaetano MendolaDate: 2004-08-24 15:54:25
Subject: Re: No connection to a PG 8.0 Beta 1 win32 server

Privacy Policy | About PostgreSQL
Copyright © 1996-2014 The PostgreSQL Global Development Group