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Both sides previous revision Previous revision 2012/02/05 19:14 straka 2012/02/05 19:13 straka 2012/02/05 19:09 straka 2012/02/05 19:05 straka 2012/02/05 19:04 straka 2012/02/05 19:03 straka 2012/02/05 18:57 straka 2012/02/05 18:54 straka 2012/02/05 18:49 straka 2012/02/05 18:23 straka 2012/01/31 14:41 straka 2012/01/31 13:12 straka 2012/01/31 12:42 straka 2012/01/30 15:47 majlis 2012/01/30 00:53 straka 2012/01/30 00:52 straka 2012/01/30 00:50 straka 2012/01/30 00:44 straka 2012/01/30 00:40 straka 2012/01/29 17:44 straka 2012/01/29 17:44 straka 2012/01/29 17:42 straka 2012/01/29 17:40 straka 2012/01/29 17:40 straka 2012/01/29 17:26 straka 2012/01/29 17:23 straka 2012/01/29 16:27 straka 2012/01/28 20:17 straka vytvořeno Go		2012/02/05 19:14 straka 2012/02/05 19:13 straka 2012/02/05 19:09 straka 2012/02/05 19:05 straka 2012/02/05 19:04 straka 2012/02/05 19:03 straka 2012/02/05 18:57 straka 2012/02/05 18:54 straka 2012/02/05 18:49 straka 2012/02/05 18:23 straka 2012/01/31 14:41 straka 2012/01/31 13:12 straka 2012/01/31 12:42 straka 2012/01/30 15:47 majlis 2012/01/30 00:53 straka 2012/01/30 00:52 straka 2012/01/30 00:50 straka 2012/01/30 00:44 straka 2012/01/30 00:40 straka 2012/01/29 17:44 straka 2012/01/29 17:44 straka 2012/01/29 17:42 straka 2012/01/29 17:40 straka 2012/01/29 17:40 straka 2012/01/29 17:26 straka 2012/01/29 17:23 straka 2012/01/29 16:27 straka 2012/01/28 20:17 straka vytvořeno Go Next revision Both sides next revision
courses:mapreduce-tutorial:step-29 [2012/01/29 17:44] straka		courses:mapreduce-tutorial:step-29 [2012/01/30 00:40] straka
Line 8:		Line 8:
	When implementing new input format, we must		When implementing new input format, we must
-	* decide whether the input files are splittable. Usually uncompressed are splittable and compressed are not splittable, with the exception of ''SequenceFile'', which is always splittable.	+	* decide whether the input files are splittable. Usually uncompressed files are splittable and compressed files are not splittable, with the exception of ''SequenceFile'', which is always splittable.
	* implement [[http://hadoop.apache.org/common/docs/r1.0.0/api/org/apache/hadoop/mapreduce/RecordReader.html|RecordReader<K, V>]]. The ''RecordReader'' is the one doing the real work -- it is given a file split and it reads (key, value) pairs of types (K, V), until there are any.		* implement [[http://hadoop.apache.org/common/docs/r1.0.0/api/org/apache/hadoop/mapreduce/RecordReader.html|RecordReader<K, V>]]. The ''RecordReader'' is the one doing the real work -- it is given a file split and it reads (key, value) pairs of types (K, V), until there are any.

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