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Analyzing Yellowstone’s Network with a Raspberry Pi Cluster

Analyzing Yellowstone’s Network with a Raspberry Pi Cluster . Lauren Patterson. Objective of the Project. Using a low cost Raspberry Pi cluster to find the interconnect path between two nodes on Yellowstone in order to analyze the performance of jobs. Assembling the Raspberry Pi cluster.

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Analyzing Yellowstone’s Network with a Raspberry Pi Cluster

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  1. Analyzing Yellowstone’s Network with a Raspberry Pi Cluster Lauren Patterson

  2. Objective of the Project Using a low cost Raspberry Pi cluster to find the interconnect path between two nodes on Yellowstone in order to analyze the performance of jobs.

  3. Assembling the Raspberry Pi cluster

  4. Yellowstone Interconnect Credit: Siddhartha Ghosh

  5. Files Used • job1_nodes.txt • Gives the job ID and nodes used • ibnetdiscover.log (Discover File) • Lists connections between switches • LFTS.txt • Routing table for each switch

  6. What is Hadoop? • HDFS • MapReduce

  7. HDFS Name Node Job Tracker Task Tracker Map/Reduce    Data Node Task Tracker Map/Reduce Data Node Task Tracker Map/Reduce Data Node Task Tracker Map/Reduce

  8. MapReduce Shuffle phase Input Data Map Phase Reduce phase Output Data

  9. Pig • Apache Pig • Pig Latin • Grunt

  10. Pig Latin Script • Created Pig Latin Script to find the path between two nodes in Yellowstone http://www.edureka.in/blog/pig-programming-create-your-first-apache-pig-script/

  11. JOIN Operations in PIG Default, Inner Join returns intersection of A and B Full Join Set A A B Set B Right U Left Full, Right and Left Outer Joins return A and B with different parts nulled out (white)

  12. Path Finder Code Flow

  13. Results ±82 ±19 ±15 ±3 ±4 ±3

  14. Python • Single Path Python • Parallel Python • Mpi4py 1.3.1

  15. ±0.11 ±0.11 ±0.07 ±0.004 ±0.02 ±0.006

  16. ±20 ±7 ±4 ±2 ±1 ±18 ±0.5 ±2 ±4

  17. What Do All Of These Have In Common? • Raspberry Pi • Hadoop • Pig • Python

  18. Acknowledgments Richard Loft Karina Hauser Stephanie Barr Bruce Chittenden Amogh Simha Raghu Raj Prasanna Kumar

  19. Questions?

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