Latch, mutex and beyond

December 10, 2012

RuOUG2012

Filed under: Conference,Latch — andreynikolaev @ 8:34 pm

Last Thursday I spoke about “Latch Internals” at RuOUG-2012 conference in Moscow.

Large timeslot allowed me discuss new topics. If you are interesting, you can download the presentation and supplementary demo scripts.
The scripts are in .zip archive, rename it after downloading.

Many thanks to the RuOUG team!

May 25, 2012

MEDIAS-2012

Filed under: 11.2,Conference,Mutex,Spinlock,Theory — andreynikolaev @ 7:50 pm

A week ago I was back home from MEDIAS-2012 conference. It was held in Limassol (Cyprus), near the spectacular ruins of ancient city Amathus. This was unique style general Computer Science conference with speakers including legendary Soviet cosmonaut Alexandr Serebrov and the inventor of Mean Value Analysis Professor Martin Reiser.

In my experience the Reiser’s Law stating that “Software is getting slower more rapidly than hardware becomes faster” has been repeatedly illustrated by numerous performance problems I observe.

RDTeX presentations covered Oracle topics ranged from Data Warehousing by Mikhail Kozyr to Oracle Coherence by Alexei Zolotarev.

This conference gave me unique opportunity to discuss mathematics related to Oracle mutexes. If you are interested, you can download my presentation here.

And, of course, Cyprus is a great place to visit!

Thanks to Professor S.V. Klimenko for kindly inviting me to MEDIAS 2012 conference.
Thanks to RDTEX for financial support.
Thanks to RDTEX Technical Support Centre Director S.P. Misiura for years of encouragement and support of my investigations.

March 20, 2012

Hotsos Symposium 2012

Filed under: Conference,Mutex — andreynikolaev @ 6:30 pm

Week ago I was back home from the 10th Hotsos Symposium, the best performance dedicated Oracle conference in the world.

This was rare opportunity to see extraordinary presentations and discuss advanced Oracle topics. Inspired by Jonathan Lewis new book Oracle Core: Essential Internals for DBAs and Developers book I was happy to attend his Training Day.

I was lucky to speak at this jubilee Symposium about mutex internals and mutex contention.
Many thanks to the Hotsos team for this great conference.

November 24, 2011

UKOUG 2011

Filed under: Conference — andreynikolaev @ 7:35 pm


I will be speaking about latches at UK Oracle User Group Conference 2011. It will be my first visit to this extraordinary conference and UK. Hopefully see you there!

May 22, 2011

MEDIAS-2011

Filed under: Conference,DTrace,Latch,Latch Statistics,Theory,_spin_count — andreynikolaev @ 1:56 pm

A week ago I returned from MEDIAS-2011 conference, which was held in Limassol (Cyprus). It was an exciting experience to speak at general Computer Science conference. This was also an opportunity to discuss topics beyond the usual scope of Oracle conferences and see non addicted to Oracle point of view.

As you may expect, my presentation was entitled “Exploring the Oracle latches”. You can download it here. The presentation contains more math and less X$ materials than usual. Also, I added several introductory slides about Oracle, its performance and tuning.

And, of course, Cyprus is a great place!

Thanks to Professor S.V. Klimenko for kindly inviting me to MEDIAS 2011 conference.
Thanks to RDTEX CEO I.G. Kunitsky for financial support.
Thanks to RDTEX Technical Support Centre Director S.P. Misiura for years of encouragement and support of my investigations.

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