October 2 at 3:20 pm
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With the Cascading sub-project Cascading.groovy, users can create sophisticated data processing applications using the Groovy scripting language. We think Cascading.groovy will be a great tool for those groups that need to expose Hadoop to the 'casual' user who needs to get and manipulate valuable data on an organizations Hadoop cluster, but who possibly doesn't have the time to learn Java, the Hadoop API, or to think in MapReduce to solve their problems and access data. No Groovy code is run in the cluster, it is only used as a means to build complex Cascading Flows and Cascades. Think of it as an Ant build file. Ant is configured by XML build files which represent internal graph of tasks the Ant tool needs to execute. We find XML tedious for such applications and figured Groovy to be a better alternative. - Avi Flax