How accurate is ADDM?
- From: "Best, David" <David.Best@xxxxxxxxxx>
- To: <oracle-l@xxxxxxxxxxxxx>
- Date: Tue, 4 Dec 2007 15:21:25 -0500
Hey all,
How accurate is ADDM? Today we had a severe performance issue with
one our of databases. The ADDM recommendation for that period put the
most weight on the following:
---[ADDM Snip]---
Action Investigate the possibility of improving the performance of I/O
to the online redo log files.
Rationale The average size of writes to the online redo log files was
932 K and the average time per write was 3020 milliseconds.
---[ADDM Snip]---
The problem is, our storage team doesn't see the same level of
degredation. Any suggestions?
tnx
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