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Mutex waits. Part II. “Cursor: Pin S” in Oracle 11.2 _mutex_wait_scheme=0....
I would like to describe how Oracle versions 11.2.0.1-11.2.0.2.1 waited for mutexes. This algorithm also appears to be used in post-11.2.0.2.2 PSUs and new 11.2.0.3 patchset as _mutex_wait_scheme=0. My...
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Mutex waits. Part III. Contemporary Oracle wait schemes diversity.
Several months have passed since my previous “mutex wait” post. I was so busy with work and conference presentations. Thanks to all my listeners at UKOUG2011, Hotsos2012 and Medias2012 conferences and...
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