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Ok i'm installing. Can't stop the server right now. I'm gonna have to get back to you tomorrow afternoon (have other tasks that need to run from now until tomorrow by 1pm)
Rude - Last Territory Ou écouter ? Ou acheter ? La Fnac iTunes > Date: Wed, 26 Sep 2012 18:52:27 +0300 > Subject: Re: Same query doing slow then quick > From: lystor@xxxxxxxxx > To: FFW_Rude@xxxxxxxxxxx > CC: pgsql-performance@xxxxxxxxxxxxxx > > On 26 September 2012 18:38, FFW_Rude <FFW_Rude@xxxxxxxxxxx> wrote: > > root@testBI:/etc/postgresql/9.1/main# hdparm -tT /dev/sda > > Timing cached reads: 892 MB in 2.01 seconds = 444.42 MB/sec > > Timing buffered disk reads: 190 MB in 3.02 seconds = 62.90 MB/sec > > It's OK for single HDD. > > > > Is fsync off by default ? I have > > #fsync = on (so it's off right ?). > > Disable fsync for pgbench temporarily. > > > > pgbench is not found on my server. Do i have to apt-get install pgbench ? > > Install the postgresql-contrib deb: > http://pkgs.org/download/postgresql-contrib > > # sudo apt-get update > # sudo apt-get install postgresql-contrib > > > -- > With best regards, > Nikolay |
