Re: Oracle CPU Time Used, vs CPU Time Available (CPU Capacity)
- From: Mladen Gogala <gogala.mladen@xxxxxxxxx>
- To: dombrooks@xxxxxxxxxxx
- Date: Thu, 14 Sep 2017 07:49:41 -0400
On Thu, 14 Sep 2017 07:01:17 +0000
Dominic Brooks <dombrooks@xxxxxxxxxxx> wrote:
I have spent a lot of effort recently explaining that running at a sustained
95%
utilisation over a 1-2 hour period does not just mean that you’ve got an
extra 5%
that you could be squeezing out...
In case you described,you probably do not have that capacity. 95% of CPU
usually means run queue and kernel overhead which will easily devour the
remaining 5%. Such sustained consumption can mean one of two things:
1) You need a bigger box (or vbox).
2) There is a sub-optimal task running on the machine which needs to be
optimized.
--
Mladen Gogala
Oracle DBA
Tel: (347) 321-1217
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