RE: diagnosing physical IO issues beyond the database
- From: "Allen, Brandon" <Brandon.Allen@xxxxxxxxxxx>
- To: "oracledbaquestions@xxxxxxxxx" <oracledbaquestions@xxxxxxxxx>, "oracle-l@xxxxxxxxxxxxx" <oracle-l@xxxxxxxxxxxxx>
- Date: Tue, 28 Jul 2009 09:02:36 -0700
Use sar and/or iostat to see for yourself what the disk service and wait times
look like from the OS perspective while you're running the problematic table
scans, then if they're high ask your OS admin and SAN admin to explain why.
Regards,
Brandon
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