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Apache Giraph

Apache Giraph. What is it ? How does it work ? Dependencies Examples. www.semtech-solutions.co.nz info@semtech-solutions.co.nz. Giraph – What is it ?. Graph processing for Hadoop V2 For tasks that dont fit Map Reduce Better performance for those tasks

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Apache Giraph

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  1. Apache Giraph • What is it ? • How does it work ? • Dependencies • Examples www.semtech-solutions.co.nz info@semtech-solutions.co.nz

  2. Giraph – What is it ? • Graph processing for Hadoop V2 • For tasks that dont fit Map Reduce • Better performance for those tasks • Processing by interations called super steps • Uses Bulk Synchronous Parallel computing ( BSP ) • See Apache Hama presentation • Licensed via Apache • For distributed computing • For massive calculations www.semtech-solutions.co.nz info@semtech-solutions.co.nz

  3. Giraph – How does it work ? • Consider example • Input is chain graph • Find shortest path • Three super steps • Vertices have values • As do edges • Messages between steps www.semtech-solutions.co.nz info@semtech-solutions.co.nz

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