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Working with Karma using Map Reduce
Andrew Philpot edited this page May 22, 2015
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Karma running on Map/Reduce uses data in Hadoop sequence file format.
To convert data in a JSON array format to sequence files, use Karma-MR:
git clone https://github.com/usc-isi-i2/Web-Karma.git
mvn clean install
cd Web-Karma/karma-mr
mvn exec:java -Dexec.mainClass="edu.isi.karma.mapreduce.function.CreateSequenceFile" -Dexec.args="--filepath <jsonFile> --outputpath <directory> --usekey false"