This post originated from an RSS feed registered with Java Buzz by justin cater. Original Post: Tuning Hadoop & Cassandra : Beware of vNodes, Splits and Pages Feed Title: Java Code Geeks Feed URL: http://feeds.feedburner.com/JavaCodeGeeks Feed Description: Java 2 Java Developers Resource Center Latest Java Buzz Posts Latest Java Buzz Posts by justin cater Latest Posts From Java Code Geeks

When running Hadoop jobs against Cassandra, you will want to be careful about a few parameters. Specifically, pay special attention to vNodes, Splits and Page Sizes. vNodes were introduced in Cassandra 1.2. vNodes allow a host to have multiple portions of the token range.  This allows for more evenly distributed data, which means nodes can ...