Attila Szegedi talks about performance tuning Java and Scala programs at Twitter: how to approach GC problems, the importance of asynchronous I/O, when to use MySQL/Cassandra/Redis, and much more.
VMware is adding support for PostgreSQL to CloudFoundry, it's open source PAAS solution.
Solutions Design has released ORM Profiler, a tool meant to help improve data access layer performance. It tracks and logs ADO.NET calls so that developers can analyze their data access and discover potential problems.
Yevhen Shchyholyev discusses some of the problems that the user may face in the process of developing an application with Entity Framework that interacts with Oracle, MySQL, PostgreSQL or SQLite as well as SQL Server. It is intended to be useful to both developers using one of these databases for the first time as well as for those who regularly interaction with multiple databases.
Scout is an extensible server and application monitoring service which focuses upon ease of installation and configuration. Scout offers default alerts to help administrators understand how the application is behaving under various loads as well as allowing developers to create plugins to extend Scout.
Jason Sobel presents the evolution of Facebook’s infrastructure over time, from the original LAMP stack to the present multi-datacenter configuration, the challenges faced and plans for the future.
Matt Wood presents the most important AWS services, explaining how to scale up and out, how to extend the stack by adding extra layers such as caching or map-reduce systems, how to use, scale, and create redundant storage, and how to manage and scale out MySQL databases running on EC2.
Hilary Mason, interviewed by Ryan Slobojan, discuss the engineering behind bit.ly and their use of machine learning in their system architecture. Hilary also talks about their use of MySQL and MongoDB to manage terabytes of information about users and clicks and their implications on performing real-time analysis of anthropology on the human condition.
Adrian Cole discusses his jclouds project, which is an open source library that helps Java developers get started in the cloud and reuse their Java development skills. Cole also talks about some of the challenges of creating a cloud agnostic library, such as the use of different hypervisors and that various cloud implementations are written in different languages, such as VB, Python, Ruby, etc.
