Kenshoo - Use Hadoop, One Week, No Coding
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Noam Hasson, team leader for Big Data at Kenshoo explains what Kenshoo does, and how it leverages Hadoop to solve it's Big Data Challenges.
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IBM - Introduction to Cloudant
IBM Mobile solutions for iOS and other platforms.
Features and Functionalities.
Customer references
Next Steps
0812 2014 01_toronto-smac meetup_i_os_cloudant_worklight_part2
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SAP HANA is an increasingly popular platform for various analytical and transactional use cases with its in-memory architecture. If you’re an SAP customer you’ve experienced the benefits.
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Overview
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Kenshoo - Use Hadoop, One Week, No Coding
- 1. Use Hadoop, One Week, No Coding
- 2. © 2014 Kenshoo, Inc. Confidential and Proprietary Information About Me Noam Hasson Team Leader for Big Data • 12 years experience in web development • Hadoop enthusiast since 2011 • noam.hasson@kenshoo.com
- 4. © 2014 Kenshoo, Inc. Confidential and Proprietary Information • Benefits of Hadoop: • Solve big data challenges • See actual results in less than a week • Use current RDMBS infrastructure • No coding experience necessary • See how with an actual case study Agenda
- 5. © 2014 Kenshoo, Inc. Confidential and Proprietary Information Kenshoo Data Infrastructure • 250 MySQL & application server pairs, each pair dedicated to a single client • Identical schema on all MySQL servers • Different table size & capacities on each MySQL server • Total size of more than 100 TB X 250…
- 6. © 2014 Kenshoo, Inc. Confidential and Proprietary Information The Challenge • Avoid load-intensive queries on production clusters • Reduce run-time for data analysis queries • Run cross-server queries for clients deployed on more than one DB server • Compare statistical information across several DB servers
- 7. © 2014 Kenshoo, Inc. Confidential and Proprietary Information The Solution • Use Sqoop to migrate tables to Hive • Running SQL queries on Hive • That’s it! Sqoop - Full Table Import Hadoop
- 8. © 2014 Kenshoo, Inc. Confidential and Proprietary Information Example Code • Oneline Import sqoop import --hive-import --connect jdbc:mysql://ServerAddress/Database -m 10 --table DBTable --hive- database DBTable --username dbUsername --password dbPassword -- hive-overwrite -z • Query hive use myDatabase Select * from myTable where field = ‘value’
- 9. © 2014 Kenshoo, Inc. Confidential and Proprietary Information Performance • Single-node Hardware • 12 Hard drives each 4TB • 12 cores, 2 x CPU Sockets • 32GB memory • Performance • Import table of 300M rows took 3 hours • Select count on 5.5 Billion rows took 90 minutes • Group By on 5.5 Billion rows, with 1.1 Billion rows took 18 hours
- 10. © 2014 Kenshoo, Inc. Confidential and Proprietary Information What We’ve Learned • Use partitions • Import directly to compressed files • Compare the row count in the source and destination tables • Import only the columns you need to query • Use a full table import for easy & quick results • Refine the number of map tasks used for import • Adopt Hive for your Map-Reduce jobs • Increase query speed by avoiding “order by”