iostat and awr File IO Stats difference
- From: joshuasingham <joshuasingham@xxxxxxxxx>
- To: oracle-l@xxxxxxxxxxxxx
- Date: Wed, 3 Aug 2011 22:59:38 +0800
Hi ,
I been looking at some (10.2.0.4) on AIX 64 bit Awr report File IO Stats and
can see that the Av Rd(ms) for some of the files are consistently above 50
to 60 ms over a 15min interval but when I reported this storage guy he
mention and sent me the Iostat to prove that the service time in the same
timeline is average of 20ms for the disk involve . What can cause the
difference between the AWR and iostat readings
thanks
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