Expert Oracle Exadata - Parent Directory

CHAPTER 11 UNDERSTANDING EXADATA PERFORMANCE METRICSSQL> SELECT * FROM TABLE(exatest.diff('cell num fast.*'));NAMEVALUE---------------------------------------------------------------- ----------cell num fast response sessions 1cell num fast response sessions continuing to smart scan 1These stats show that a fast response session was invoked, but it had to switch to Smart Scan later on.Interestingly, this optimization causes the Oracle wait interface to report some db file sequential readwait events, which we thought were impossible on Exadata cell storage (because regular cell single blockreads are reported as cell single block physical read wait events).PARSING IN CURSOR #47425277991136 len=93 dep=0 uid=93 oct=3 lid=93 tim=1302602065427828 hvSELECT * FROM t3 WHERE owner like 'S%' AND object_name LIKE '%non-existent%' AND rownum