Re: Same query doing slow then quick

so installing postgresql-contrib stopped my server and i don't have pgbench in it. It is still pgbench command not found...
Could you explain what you are asking me to do because i don't really know what i'm doing...

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Date: Wed, 26 Sep 2012 08:53:29 -0700
From: ml-node+s1045698n5725542h62(at)n5(dot)nabble(dot)com
To: FFW_Rude(at)hotmail(dot)com
Subject: Re: Same query doing slow then quick

On 26 September 2012 18:38, FFW_Rude <[hidden email]> wrote:

> root(at)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

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With best regards,

Nikolay

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