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May 14, 2009
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Welcome This is the Cascading.HBase module. It provides support for reading/writing data to/from an HBase cluster when bound to a Cascading data processing flow. Cascading is a feature rich API for defining and executing complex, scale-free, and fault tolerant data processing workflows on a Hadoop cluster. It can be found at the following location: http://www.cascading.org/ HBase is the Hadoop database. Its an open-source, distributed, column-oriented store modeled after the Google paper on Bigtable. http://hadoop.apache.org/hbase/ Building This release requires at least Cascading 1.0.1. Hadoop 0.19.x, and the related HBase release. To build a jar, > ant -Dcascading.home=... -Dhadoop.home=... -Dhbase.home=... jar To test, > ant -Dcascading.home=... -Dhadoop.home=... -Dhbase.home=... test where "..." is the install path of each of the dependencies. Using The cascading-hbase.jar file should be added to the "lib" directory of your Hadoop application jar file along with all Cascading dependencies. See the HBaseTest unit test for sample code on using the HBase taps and schemes in your Cascading application. License Copyright (c) 2009 Concurrent, Inc. This work has been released into the public domain by the copyright holder. This applies worldwide. In case this is not legally possible: The copyright holder grants any entity the right to use this work for any purpose, without any conditions, unless such conditions are required by law.