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38:15

Understanding Objective-C Inside and Out

Posted by Jeff Kelley  on  Aug 24, 2014

Jeff Kelley discusses Objective-C basics – properties, categories – and more advanced features – linking, ARC, creating classes at runtime, memory management and tagged pointers.

39:32

Scaling HTTP Connections

Posted by Benoît Chesneau  on  Aug 12, 2014

Benoît Chesneau discusses creating, scaling and reusing HTTP connections, summarizing techniques used to reduce memory usage in Erlang and ways to handle massive client connections efficiently.

38:16

Top 10 Performance Gotchas in Scaling In-memory Algorithms

Posted by SriSatish Ambati  on  Mar 20, 2014

SriSatish Ambati shares tips for in-memory algorithms, discussing I/O, S3 resets, muxers, primitive byte arrays, non-blocking structures, and fork/join queues.

Do You Really Get classloaders?

Posted by Jevgeni Kabanov  on  May 21, 2012 1

Jevgeni Kabanov discusses the existing problems with Java class loaders and corresponding solutions, covering live code updates through process isolation and in-app updates.

Lock-free Algorithms

Posted by Martin Thompson and Michael Barker  on  Apr 30, 2012 1

Martin Thompson and Michael Barker explain how Intel x86_64 processors and their memory model work along with low-level techniques that help creating lock-free software.

Tuning Java for Virtual with EM4J

Posted by Ben Corrie  on  Feb 14, 2012

Ben Corrie explains how Elastic Memory for Java (EM4J) helps managing memory for Java installations in virtual settings.

Diagnosing Web Application OutOfMemoryErrors

Posted by Mark Thomas  on  Apr 15, 2010 3

Mark Thomas explains what are the common OutOfMemoryError failures that could appear when running Java applications, showing how to diagnose such errors. He also discusses the JVM and tc Server configuration parameters affecting memory settings.

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