Feeding Frenzy: Selectively Materializing Users’ Event Feeds (Sigmod paper)
by Kapil Mohan, Technical Architect at SlideShare on Sep 26, 2011
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Sigmod paper by Adam Silberstein, Jeff Terrace, Brian F. Cooper1, Raghu Ramakrishnan...
Sigmod paper by Adam Silberstein, Jeff Terrace, Brian F. Cooper1, Raghu Ramakrishnan
Near real-time event streams are becoming a key feature of many popular web applications. Many web sites allow users to create a personalized feed by selecting one or more event streams they wish to follow. Examples include Twitter and Facebook, which allow a user to follow other users’ activ- ity, and iGoogle and My Yahoo, which allow users to follow selected RSS streams. How can we efficiently construct a web page showing the latest events from a user’s feed? Con- structing such a feed must be fast so the page loads quickly, yet reflects recent updates to the underlying event streams. The wide fanout of popular streams (those with many fol- lowers) and high skew (fanout and update rates vary widely) make it difficult to scale such applications.
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