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courses:mapreduce-tutorial:step-28 [2012/01/28 21:42] straka |
courses:mapreduce-tutorial:step-28 [2012/01/29 16:38] straka |
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- | ====== MapReduce Tutorial : Custom input formats | + | ====== MapReduce Tutorial : Running multiple Hadoop jobs in one class ====== |
+ | |||
+ | The Java API offers possibility to submit multiple Hadoop job in one class. A job can be submitted either using | ||
+ | * [[http:// | ||
+ | * [[http:// | ||
+ | |||
+ | ===== Exercise 1 ===== | ||
+ | |||
+ | Improve the last [[.: | ||
+ | - in the first job, create a list of unique document names. Number the documents using the order in this list. | ||
+ | - in the second job, create for each word sorted list of '' | ||
+ | |||
+ | ===== Exercise 2 ===== | ||
- | WholeFile | ||
- | FileAsPath | ||
- | ParagraphFile |