Tag: performance

SE-Radio Episode 328: Bruce Momjian on the Postgres Query Planner

Filed in Episodes by on June 19, 2018 0 Comments
SE-Radio Episode 328: Bruce Momjian on the Postgres Query Planner

Bruce Momjian, a longtime Postgres developer, educator and consultant joins Robert Blumen for a discussion of the SQL query planner in the Postgres relational database. Topics covered include what is a query? How queries are evaluated by the server; the phases of query evaluation; SQL as a declarative language; why declarative query evaluation is simpler […]

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SE-Radio Episode 277: Gil Tene on Tail Latency

Filed in Episodes by on December 14, 2016 1 Comment
SE-Radio Episode 277: Gil Tene on Tail Latency

Gil Tene joins Robert Blumen for a discussion of tail latency. What is latency? What is “tail latency”? Why are the upper percentiles of latency more relevant to humans? How is human interaction with an application influenced by tail latency? What are the economics of tail latency? What are the origins of tail latency within […]

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SE-Radio Episode 255: Monica Beckwith on Java Garbage Collection

Filed in Episodes by on April 26, 2016 2 Comments
SE-Radio Episode 255: Monica Beckwith on Java Garbage Collection

Monica Beckwith joins Robert Blumen for a discussion of java garbage collection. What is garbage collection? GC algorithms; history of GC in the java language; fragmentation and compaction; generational strategies; causes of pauses; impact of pauses on application performance; tuning GC; GC on multi-core and large memory machines; should production servers be implemented in non-GC […]

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SE-Radio Episode 254: Mike Barker on the LMAX Architecture

Filed in Episodes by on April 12, 2016 5 Comments
SE-Radio Episode 254: Mike Barker on the LMAX Architecture

Mike Barker talks with Sven Johann about the architecture of the LMAX system. LMAX is a low-latency, high-throughput trading platform. Their discussion begins with what LMAX does; the origins of LMAX; and extreme performance requirements faced by LMAX. They then delve into systems that LMAX communicates with; LMAX users; the two main components of the […]

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Episode 225: Brendan Gregg on Systems Performance

Filed in Episodes by on April 28, 2015 1 Comment
Episode 225: Brendan Gregg on Systems Performance

Senior performance architect and author of *Systems Performance* Brendan Gregg talks with Robert Blumen about systems performance: how the hardware and OS layers affect application behavior. The discussion covers the scope of systems performance, systems performance in the software life cycle, the role of performance analysis in architecture, methodologies for solving performance problems, dynamic tracing […]

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