the crawler has to retrieve the content of web pages. For simplicity, let us assume that...
the crawler has to retrieve the content of web pages. For simplicity, let us assume that there is only one instance of the crawler operating and it downloads and operates only one page at a time. We can also assume that the web pages to be downloaded belong only to certain media and blog sites (so, not the entire web).
1. Which Hadoop component should be used to ingest this content?
2. Why that component?
Homework Answers
Hadoop MapReduce can be used to ingest or process the content extracted from the site. Hadoop crawler basically can extract large amount of required data and "MapReduce" component helps to properly assign or filter this data and perform processing functions on the data to obtain the end data as per desired format.
The crawler dumps data into the HDFD where MapReduce jobs parse, extract metedata from the crawled data.
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the crawler has to
retrieve the content of web pages. For simplicity, let us assume
that...
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