Mutexes And Changes in Library Cache - HrOUG
Mutexes And Changes in Library Cache - HrOUG
Mutexes And Changes in Library Cache - HrOUG
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DbProf.<br />
com<br />
Mutex Types and Sleeps<br />
select mutex_type,count(*)<br />
from sys.v$mutex_sleep_history<br />
group by mutex_type order by 2 desc;<br />
MUTEX_TYPE COUNT(*)<br />
-------------------------------- ----------<br />
<strong>Library</strong> <strong>Cache</strong> 602<br />
Cursor P<strong>in</strong> 42<br />
Cursor Stat 5<br />
Cursor Parent 1<br />
4 rows selected.<br />
(from a production database 11.2.0.2 with about 1000 sessions)<br />
www.dbprof.com - © 2012 Jože Senegačnik<br />
Oracle ACE Director<br />
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