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courses:mapreduce-tutorial [2012/01/23 20:56]
straka 		courses:mapreduce-tutorial [2012/02/05 20:01] (current)
straka
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   * [[.:mapreduce-tutorial:Introduction]]   * [[.:mapreduce-tutorial:Introduction]]
  
 +===== Overview =====
 +  * [[.:mapreduce-tutorial:Hadoop job overview]]
 +  * [[.:mapreduce-tutorial:Managing a Hadoop cluster]]
 +  * [[.:mapreduce-tutorial:Running jobs]]
 +  * [[.:mapreduce-tutorial:Perl API]], [[http://hadoop.apache.org/common/docs/r1.0.0/api/index.html|Java API]]
 +  * [[.:mapreduce-tutorial:Making your job configurable]]
 +  * [[.:mapreduce-tutorial:If things go wrong]]
  
 ===== Day 1 ===== ===== Day 1 =====
-Today we will be using the Perl API. +Today we will be using the [[.:mapreduce-tutorial:Perl API]] (there is no need to study it now, the tutorial will explain it). 
-  * [[.:mapreduce-tutorial:Step-1]]: Setting the environment.+=== Environment === 
 +  * [[.:mapreduce-tutorial:Step 1]]: Setting the environment. 
 + 
 +=== MapReduce basics === 
 +  * [[.:mapreduce-tutorial:Step 2]]: Input and output format, testing data. 
 +  * [[.:mapreduce-tutorial:Step 3]]: Basic mapper. 
 +  * [[.:mapreduce-tutorial:Step 4]]: Counters. 
 +  * [[.:mapreduce-tutorial:Step 5]]: Basic reducer. 
 + 
 +=== Controlling the cluster === 
 +  * [[.:mapreduce-tutorial:Step 6]]: Running on cluster. 
 +  * [[.:mapreduce-tutorial:Step 7]]: Dynamic Hadoop cluster for several computations. 
 + 
 +=== MapReduce extended === 
 +  * [[.:mapreduce-tutorial:Step 8]]: Multiple mappers, reducers and partitioning. 
 +  * [[.:mapreduce-tutorial:Step 9]]: Hadoop properties. 
 +  * [[.:mapreduce-tutorial:Step 10]]: Combiners. 
 +  * [[.:mapreduce-tutorial:Step 11]]: Initialization and cleanup of MR tasks, performance of combiners. 
 +  * [[.:mapreduce-tutorial:Step 12]]: Additional output from mappers and reducers. 
 + 
 +=== Advanced MapReduce exercises === 
 +Exercises in this section can be made in any order, but it is recommended to try solving all of them. The [[.:mapreduce-tutorial:Perl API|Perl API reference]] may come handy. 
 +  * [[.:mapreduce-tutorial:Step 13]]: Sorting. 
 +  * [[.:mapreduce-tutorial:Step 14]]: N-gram language model. 
 +  * [[.:mapreduce-tutorial:Step 15]]: K-means clustering. 
 + 
 +=== Beyond MapReduce === 
 +  * [[.:mapreduce-tutorial:Step 16]]: Implementing iterative MapReduce jobs faster using All-Reduce. 
 + 
 +===== Day 2 ===== 
 + 
 +Today we will be using the [[http://hadoop.apache.org/common/docs/r1.0.0/api/index.html|Java API]]. 
 + 
 +=== Environment === 
 +  * [[.:mapreduce-tutorial:Step 21]]: Preparing the environment. 
 +  * [[.:mapreduce-tutorial:Step 22]]: Optional -- Setting Eclipse. 
 + 
 +=== Java Hadoop basics ==== 
 +  * [[.:mapreduce-tutorial:Step 23]]: Predefined formats and types. 
 +  * [[.:mapreduce-tutorial:Step 24]]: Mappers, running Java Hadoop jobs, counters. 
 +  * [[.:mapreduce-tutorial:Step 25]]: Reducers, combiners and partitioners. 
 +  * [[.:mapreduce-tutorial:Step 26]]: Compression and job configuration. 
 +  * [[.:mapreduce-tutorial:Step 27]]: Running multiple Hadoop jobs in one source file. 
 + 
 +=== Advanced topics === 
 +  * [[.:mapreduce-tutorial:Step 28]]: Custom data types. 
 +  * [[.:mapreduce-tutorial:Step 29]]: Custom sorting and grouping comparators. 
 +  * [[.:mapreduce-tutorial:Step 30]]: Custom input formats. 
 + 
 +=== Beyond MapReduce === 
 +  * [[.:mapreduce-tutorial:Step 31]]: Implementing iterative MapReduce jobs faster using All-Reduce.
  
 ===== Other ===== ===== Other =====
   * [[user:majlis:hadoop|Further information]]   * [[user:majlis:hadoop|Further information]]
  

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