Batch crawl and fast crawl clusters for question and answer search engine
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United States of America Patent
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Nov 15, 2016
Grant Date -
Jul 2, 2015
app pub date -
Dec 26, 2013
filing date -
Dec 26, 2013
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Abstract
An offline system of a question and answer system includes a batch update crawl cluster that includes a crawl database within the file system, and a map reducer within the index controller, the map reducer having a reducer core with a plurality of slow queues that retrieve the content from the crawl database, and a reducer adapter that writes an output of the reducer core into the hierarchical database. The offline system further includes a fast update crawl cluster that includes a crawl database within the file system, and a map reducer within the index controller, the map reducer having a reducer core with a plurality of fast queues that retrieve the content from the crawl database at a faster frequency than the slow queues, and a reducer adapter that writes an output of the reducer core into the hierarchical database.
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