Links of the day 20 - 11 - 2014

Today's links 20/11/2014: tracing, messaging, queue, cache is the new ram

• Tracing summit : Tracing Summit 2014 held in Düsseldorf, Germany, on October 13, 2014, video are also available here
• Operating Apache Samza at Scale : how do leverage samza under kafka to scale your messaging infrastructure.
• Cache is the new ram : with the rise of in memory database CPU cache becomes the next frontier ( but what's next ? cpu register is the new cache ?? ) 
• Queues Don't Fix Overload : on why queue are great but not the silver bullet and what are their limitation.