Martin Thompson discusses software performance with Ryan Slobojan. Topics covered include his first talk given at a Trifork conference, conferences attended, conference talks as a recruitment channel, the benefits of hosting an open source project, mechanical sympathy, choosing (or building) the right libraries for an application, virtual machine performance considerations, …
RAM prices have plummeted and servers with tens or even hundreds of Gigabytes of memory have become common these days. What this means to your application’s architecture and deployment topology is important. On heap caching of data within enterprise application is a common example.
People write toy Java benchmarks all the time. Nearly always they “get it wrong” – wrong in the sense that the code they write doesn’t measure what they think it does. Oh, it measures something all right – just not what they want.
Java gets used everywhere and for everything, a reality that can be explained by its efficiency, its portability, the productivity it offers developers, and the platform it provides for application frameworks and non-Java languages. But all is not perfect; developers struggle against Java’s greatest strength: its memory management. We’ll talk …
Twitter is increasingly relying on services written in either Java or Scala and running on the JVM. Although the JVM gives the company a world-class runtime in terms of operational stability, performance, and manageability, achieving the desired performance characteristics of the programs being run on it is still not trivial, …
Over the past 4 years, Apptio has implemented and run a SaaS based hybrid in-memory/on-disk analytics and transaction store (NoSQL) similar in concept to SAP’s “HANA” in 100% Pure Java. This video presents lessons learned and tricks discovered while coding and tuning the system – everything from multi-threading on 48 …
