Re: RES: Bad iostat numbers - Mailing list pgsql-performance

From David Boreham
Subject Re: RES: Bad iostat numbers
Date
Msg-id 45704AF3.9090309@boreham.org
Whole thread Raw
In response to RES: Bad iostat numbers  ("Carlos H. Reimer" <carlos.reimer@opendb.com.br>)
List pgsql-performance
Carlos H. Reimer wrote:

>I´ve taken a look in the /var/log/messages and found some temperature
>messages about the disk drives:
>
>Nov 30 11:08:07 totall smartd[1620]: Device: /dev/sda, Temperature changed 2
>Celsius to 51 Celsius since last report
>
>Can this temperature influence in the performance?
>
>
it can influence 'working-ness' which I guess in turn affects performance ;)

But I'm not sure if 50C is too high for a disk drive, it might be ok.

If you are able to, I'd say just replace the drives and see if that
improves things.



pgsql-performance by date:

Previous
From: Tom Lane
Date:
Subject: Re: NAMEDATALEN and performance
Next
From: "Alex Turner"
Date:
Subject: Performance of Perc 5i