Category Choice of Appln Components

NoSQL at Twitter: Why / How they use Scribe, Hadoop/Pig, HBase, Cassandra, and FlockDB for data analytics?


Here’s some interesting NoSQL stuff guys. It’s a presentation about how Twitter uses NoSQL for analytics by Kevin Weil (@kevinweil), Analytics Lead, Twitter. About the presentation Collecting data (Scribe) Storing and Analyzing data (Hadoop) Rapid Learning over Big Data (Pig) .. and Cassandra, HBase, FlockDB. For those who are not aware of the said technologies… […]

Migrating from EJB to Spring and from JBoss to Apache Tomcat: A Real-Life Case Study of Hyperic v4.5 Release


This case study on migrating the open source web application monitoring and management software, Hyperic, to the Spring Framework and Apache Tomcat was originally delivered by Jennifer Hickey at the 2010 SpringOne 2GX conference. This migration work was done for Hyperic v4.5 release. Here are some of the advantages cited about this migration: 1. Improved […]

Spring Task Scheduler vs Quartz


Platform/Language: Java Components Versions: Spring 3.0, Quartz 1.8.4 Go for Spring’s light weight task scheduler implementation, if you’ve just SIMPLE requirements.. run tasks once after specified time schedule tasks to run repeatedly (fixed-rate as well as fixed delay) scheduling tasks based on simple cron expressions, etc. On the other hand, if you’ve COMPLEX requirements – […]