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- If you are not going to use LZO compression: Remove any references to the iocompression io.compression.codecs parameter in the core-site.xml file: com.hadoop.compression.lzo.LzoCodec
- If you are going to use LZO compression: Download the LZO jar and add it to pentaho-big-data-plugin/hadoop-configurations/emr3x/lib directory. The LZO jar can be found here: http://maven.twttr.com/com/hadoop/gplcompression/hadoop-lzo/0.4.19/