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courses:mapreduce-tutorial [2012/01/27 23:31] straka |
courses:mapreduce-tutorial [2012/01/28 17:51] straka |
* [[.:mapreduce-tutorial:Step 24]]: Mappers, running Java Hadoop jobs. | * [[.:mapreduce-tutorial:Step 24]]: Mappers, running Java Hadoop jobs. |
* [[.:mapreduce-tutorial:Step 25]]: Reducers, combiners and partitioners. | * [[.:mapreduce-tutorial:Step 25]]: Reducers, combiners and partitioners. |
* [[.:mapreduce-tutorial:Step 26]]: Job configuration, counters and job context. | * [[.:mapreduce-tutorial:Step 26]]: Counters and job configuration. |
* [[.:mapreduce-tutorial:Step 27]]: Reusing Mapper and Reducer code. | |
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=== Exercises === | === Custom data types and formats === |
* Is [[.:mapreduce-tutorial:Step 13]], [[.:mapreduce-tutorial:Step 14]] and [[.:mapreduce-tutorial:Step 15]] enough? | * [[.:mapreduce-tutorial:Step 27]]: Custom data types |
| * [[.:mapreduce-tutorial:Step 28]]: Custom input formats |
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=== Advanced topics === | === Exercises === |
* Custom input format -- WholeFile and WholeFileAsPath | * [[.:mapreduce-tutorial:Step 29]]: Inverted index. |
* Custom data type -- Pair<A, B> | * [[.:mapreduce-tutorial:Step 13]], [[.:mapreduce-tutorial:Step 14]] and [[.:mapreduce-tutorial:Step 15]] |
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===== Other ===== | ===== Other ===== |
* [[user:majlis:hadoop|Further information]] | * [[user:majlis:hadoop|Further information]] |
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