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sakthikumar

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Increase no. of disks, so that io will be less.

Hi,

Recently i have read an article, if the performance is slow because of full table scan.
Then we need to increase the no. of disks.? so the io will be less.

how to do this? by doing this how the performance will improve.
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Guy Hengel [angelIII / a3]
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if performance is slow then it's in 96% of the time ITSS
> It's The Stupid Sql (or It's The Slow Sql)

Tune the slow sql and the performance will get better

the fastest way to find the bad queries is by listing v$sql by consumed resources
buffer gets or physical reads per execution