Hw09 Hadoop Applications At Yahoo!
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Hw09 Hadoop Applications At Yahoo!
- 1. Hadoop at Yahoo! Eric Baldeschwieler VP Hadoop Software Development Yahoo!
- 5. The Largest Hadoop User 2006 now Hardware Internal Hadoop Users building new datacenter PB Disk, >82PB Today Nodes, >25,000 Today
- 9. Yahoo! front page - Case Study
- 10. Yahoo! front page - Case Study Ads Optimization Search Index
- 11. Yahoo! front page - Case Study Ads Optimization Content Optimization Search Index Machine Learned Spam filters RSS Feeds Content Optimization
- 15. Futures
- 17. Questions? Eric Baldeschwieler VP Hadoop Software Development Yahoo! For more information: http://hadoop.apache.org/ http://hadoop.yahoo.com/ (including job openings)
Notas del editor
- Load Balancing : Brooklyn (DNS) directs users to their local datacenter RSS Feeds : Feed-norm leverages Yahoo Traffic Server to normalize, cache, and proxy site feeds for Auto Apps Image and Video Delivery : All images and thumbnails displayed on the page Substantial part the 20-25 billion objects YCS serves a day Stats Coming Site thumbnails (Auto-apps) These are the Metro applications generated from web sites that are added to the left column Metro is currently storing about 220K thumbnails replicated on both US coasts Usage is currently about 55K/second (heavily cached by YCS) growing 100% month over month Attachment Store Mail uses YMDB (MObStor pre-cursor) to store 10TB of attachments Search Index : Data mining to obtain the top-n user search queries Ads Optimization: On-going refreshes to the Ad ranking model for revenue optimization Content Optimization: Computation of Content centric user profiles to get user segmentation Models generation refresh for content categorization User centric recommendation module Machine Learning: Model creation for various purposes at Yahoo Spam Filters: Utilizing Co-occurrence and other data intensive techniques for mail spam detection
- Load Balancing : Brooklyn (DNS) directs users to their local datacenter RSS Feeds : Feed-norm leverages Yahoo Traffic Server to normalize, cache, and proxy site feeds for Auto Apps Image and Video Delivery : All images and thumbnails displayed on the page Substantial part the 20-25 billion objects YCS serves a day Stats Coming Site thumbnails (Auto-apps) These are the Metro applications generated from web sites that are added to the left column Metro is currently storing about 220K thumbnails replicated on both US coasts Usage is currently about 55K/second (heavily cached by YCS) growing 100% month over month Attachment Store Mail uses YMDB (MObStor pre-cursor) to store 10TB of attachments Search Index : Data mining to obtain the top-n user search queries Ads Optimization: On-going refreshes to the Ad ranking model for revenue optimization Content Optimization: Computation of Content centric user profiles to get user segmentation Models generation refresh for content categorization User centric recommendation module Machine Learning: Model creation for various purposes at Yahoo Spam Filters: Utilizing Co-occurrence and other data intensive techniques for mail spam detection
- Load Balancing : Brooklyn (DNS) directs users to their local datacenter RSS Feeds : Feed-norm leverages Yahoo Traffic Server to normalize, cache, and proxy site feeds for Auto Apps Image and Video Delivery : All images and thumbnails displayed on the page Substantial part the 20-25 billion objects YCS serves a day Stats Coming Site thumbnails (Auto-apps) These are the Metro applications generated from web sites that are added to the left column Metro is currently storing about 220K thumbnails replicated on both US coasts Usage is currently about 55K/second (heavily cached by YCS) growing 100% month over month Attachment Store Mail uses YMDB (MObStor pre-cursor) to store 10TB of attachments Search Index : Data mining to obtain the top-n user search queries Ads Optimization: On-going refreshes to the Ad ranking model for revenue optimization Content Optimization: Computation of Content centric user profiles to get user segmentation Models generation refresh for content categorization User centric recommendation module Machine Learning: Model creation for various purposes at Yahoo Spam Filters: Utilizing Co-occurrence and other data intensive techniques for mail spam detection