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The "HedWig" page has been changed by mahadevkonar. http://wiki.apache.org/hadoop/HedWig?action=diff&rev1=1&rev2=2 -------------------------------------------------- == Hedwig == - Hedwig is a _publish-subscribe_ system designed to carry large amounts of data across the internet in a *guaranteed-delivery* fashion from those who produce it (_publishers_) to those who are interested in it (_subscribers_). The goals of Hedwig are: + Hedwig is a '''publish-subscribe''' system designed to carry large amounts of data across the internet in a '''guaranteed-delivery'' fashion from those who produce it ('''publishers''') to those who are interested in it ('''subscribers'''). The goals of Hedwig are: 1 *Guaranteed Delivery*: The messages may not be lost even when a particular subscriber goes offline for extended periods of time. 1 *Topic-based*: Publishes and subscribes happen to a topic. The system should scale to ~10^6 topics with ~10 subscribers on each topic.
