Monthly Archives: November 2009

Command-line auto completion for Hadoop DFS commands

By ckline | Published: November 17, 2009

We like to keep things simple here at Rapleaf. One small tweak we made right after we installed hadoop was to alias ‘hadoop dfs’ to ‘hdfs’. It rolls off the fingers nicely. We are also constantly typing ‘hdfs -ls this’ or ‘hdfs -du that’. If we are not sure what this/that is, we type ‘hdfs [...]

Posted in bash, Hadoop, HDFS | Tagged , , , , , , | 16 Comments

Dead Simple MapReduce Workflow Configuration

By nathan marz | Published: November 9, 2009

If you use MapReduce for any real-world application, chances are your workflow consists of more than one MapReduce job. Rapleaf has workflows consisting of over one hundred jobs. A lot of times, you need to make configurations to the workflow that should apply to every job. For example, you may want each job to run [...]

Posted in Hadoop, MapReduce | Tagged , | Leave a comment

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