HUG Meeting 30/09/2015 Tez
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Transcript of HUG Meeting 30/09/2015 Tez
- 1. 1 Hadoop user group Italy Alberto Ghedin
- 2. 2 European Hadoop Summit Aprile 2014
- 3. 3 European Hadoop Summit Aprile 2014 https://www.youtube.com/watch?v=Fz-GnjOZAmQ
- 4. 4 European Hadoop Summit Aprile 2014 https://www.youtube.com/watch?v=Fz-GnjOZAmQ
- 5. 5 European Hadoop Summit Aprile 2014 https://www.youtube.com/watch?v=Fz-GnjOZAmQ
- 6. 6 European Hadoop Summit Aprile 2014 https://www.youtube.com/watch?v=Fz-GnjOZAmQ
- 7. 7 European Hadoop Summit Aprile 2014 https://www.youtube.com/watch?v=Fz-GnjOZAmQ
- 8. 8 Hadoop Summit Putting wings on the elephant
- 9. 9 Hadoop Summit Putting wings on the elephant
- 10. 10 Hadoop Summit - Impala Massive parallel processing SQL query engine Utilizza i suoi demoni nel cluster Non usa map reduce Non materiallizza processi intermedi Usa il pi possibile istruzioni macchina Usa la memoria per salvare i dati intermedi Non ha lupdate
- 11. 11 Hadoop Summit - Tez
- 12. 12 Hadoop Summit Perch Tez? MR Uso intensivo di file temporanei e scritture in HDFS API espressive Non necessario persistere passi intermedi
- 13. 13 Hadoop Summit Tez API Esecuzione Logica + risorse Trasferimento Dati DAG Nodo Arco Deve essere aciclico per meccanismo di fault tollerance
- 14. 14 Hadoop Summit Tez API Nodi
- 15. 15 Hadoop Summit Tez API Archi Data-movement: One to One Broadcast Scatter Gather Scheduling Sequenziale Concorrente Data source property Peristed Peristed reliable Ephimeral
- 16. 16 Hadoop Summit Esempi MR Data-movementment: Scatter Gather Scheduling Sequenziale Data source property Peristed Streaming Scheduling Concurrent Data source property Ephimeral
- 17. 17 Hadoop Summit Hive on Tez
- 18. 18 Hadoop Summit Hive on Tez
- 19. 19 Hadoop Summit Hive on Tez MR TEZ
- 20. 20 Hadoop Summit Hive on Tez
- 21. 21 Hadoop Summit Hive on Tez
- 22. 22 Hadoop Summit Pig on Tez
- 23. 23 Hadoop Summit Pig on Spark + = Spork
- 24. 24 Greetings Q&A @AlbertoGhedo [email protected]