Re: Setting "nice" values

From: Madison Kelly <linux(at)alteeve(dot)com>
To: Tobias Brox <tobias(at)nordicbet(dot)com>
Cc: Scott Marlowe <smarlowe(at)g2switchworks(dot)com>, pgsql-performance(at)postgresql(dot)org
Subject: Re: Setting "nice" values
Date: 2006-11-06 13:48:19
Message-ID: 454F3D23.6040003@alteeve.com
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Tobias Brox wrote:
> [Madison Kelly - Mon at 08:10:12AM -0500]
>> to run, which puts it into your "drawback" section. The server in
>> question is also almost under load of some sort, too.
>>
>> A great tip and one I am sure to make use of later, thanks!
>
> I must have been sleepy, listing up "cons" vs "drawbacks" ;-)

:) I noticed but figured what you meant (I certainly do similar flubs!).

> Anyway, the central question is not the size of the job, but the size of
> the transactions within the job - if the job consists of many
> transactions, "my" test can be run before every transaction. Having
> transactions lasting for hours is a very bad thing to do, anyway.

Ah, sorry, long single queries is what you meant. I have inherited this
code so I am not sure how long a given query takes, though they do use a
lot of joins and such, so I suspect it isn't quick; indexes aside. When
I get some time (and get the backup server running) I plan to play with
this. Currently the DB is on a production server so I am hesitant to
poke around just now. Once I get the backup server though, I will play
with your suggestions. I am quite curious to see how it will work out.

Thanks again!

Madi

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