2 hadoop@e bay-hug-2010-07-21

@eBay Anil Madan amadan@ebay.com Analytics Platform Development

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Infrastructure ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Ecosystem Hadoop Core (HDFS,Common) MapReduce (Java, Streaming, Pipes,Scala) Data Access (Hbase, Pig, Hive) Tools & Libraries (HUE,UC4,Oozie.Mobius,Mahout) Monitoring & Alerting (Ganglia, Nagios) ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Administration ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Data Sourcing Patterns Click Stream EDW Images Search Indices Analytics Reporting Algorithmic Models Acquisition Description Source Preparation Format Pattern Click Stream Session Event Session Container Session/Event Streamed as LZO/Text SessionContainer generate Sequence Files Session/Event Data Build an index and use LzoTextInputFormat for splits based on the work done by Johan Oskarsson/Twitter Session Container ‘Value to Type Conversion’ Pattern Secondary sort with reduce side join EDW Item Transaction User Feedback Bids Streamed as GZIP/Text Generate SequenceFile/ Hbase snapshot with previous day snapshot and current day data. Hive StorageHandlers to point to SequenceFile/Hbase snapshot ,[object Object],[object Object],[object Object],[object Object]

Search Use Case – Machine Learned Ranking ClickStream Items Users Feedback Classifiers Ranking Function Great Search Results ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Research Use Case – Description Data Mining ,[object Object],[object Object],[object Object],[object Object],[object Object],BARBIE 1999 "PREMIERE NIGHT" Home Shopping Special Edition Gorgeous Doll With Beautiful Blond Hair / In A Gown Of Purple And Silver New / Never Removed From Box / Doll Is In Mint Condition / Remember This Beauty Is 11 Years Old Free Shipping To US Only / Will Ship International / Please E-mail For Cost Feel Free To Ask Me Any Questions Or Concerns Smoke - Free Environment Free Shipping Year: 1999 Model: premiere night Edition: home shopping special Hair: blond Gown: purple and silver Condition: new / never removed from box / mint

Platform Details Metrics Job Statistics, System/Disk Consumption, Utilization Infrastructure Publish/Subscribe ETL tools, low latency data movement Development Tools, Environment, IDE, Architecture Schemas, Metadata, Governance, Policies Operations Administration, Configuration, Monitoring Reporting Visualization, BI Generation, Information delivery Security User & Group Management, Auth & Auth Clusters Details Exploratory Strategic investment 1000-5000 nodes Production Site facing, low latency, high availability Use Case Specific Advertising, Trust & Safety , Merchandizing

Acknowledgments ,[object Object],[object Object],[object Object]

2 hadoop@e bay-hug-2010-07-21

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2 hadoop@e bay-hug-2010-07-21

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