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Both sides previous revision Previous revision 2012/01/31 09:39 straka Change Perl commandline syntax.2012/01/30 14:29 majlis 2012/01/30 10:41 majlis 2012/01/29 21:14 straka 2012/01/29 21:14 straka 2012/01/29 14:56 majlis 2012/01/29 14:55 majlis 2012/01/28 23:09 majlis Added links to previous and next chapter.2012/01/28 12:25 majlis 2012/01/25 22:15 straka 2012/01/25 21:44 straka 2012/01/25 21:29 straka 2012/01/25 21:24 straka 2012/01/25 21:09 straka 2012/01/25 15:46 straka vytvořeno Go		2012/01/31 09:39 straka Change Perl commandline syntax.2012/01/30 14:29 majlis 2012/01/30 10:41 majlis 2012/01/29 21:14 straka 2012/01/29 21:14 straka 2012/01/29 14:56 majlis 2012/01/29 14:55 majlis 2012/01/28 23:09 majlis Added links to previous and next chapter.2012/01/28 12:25 majlis 2012/01/25 22:15 straka 2012/01/25 21:44 straka 2012/01/25 21:29 straka 2012/01/25 21:24 straka 2012/01/25 21:09 straka 2012/01/25 15:46 straka vytvořeno Go Next revision Both sides next revision
courses:mapreduce-tutorial:step-12 [2012/01/29 14:55] majlis		courses:mapreduce-tutorial:step-12 [2012/01/29 14:56] majlis
Line 15:		Line 15:
		+	===== Exercise =====
		+	Change the word counting script {{:courses:mapreduce-tutorial:step-5-solution1.txt|step-12-exercise.pl}} to produce results in reducers manually using the mentioned environmental variables, and execute it using four reducers.
		+
		+	wget --no-check-certificate 'https://wiki.ufal.ms.mff.cuni.cz/_media/courses:mapreduce-tutorial:step-5-solution1.txt' -O 'step-12-exercise.pl'
		+	rm -rf step-12-out-ex; perl step-12-exercise.pl run -c 5 - r 4 /home/straka/wiki/cs-text-medium/ step-12-out-ex
		+	less step-12-out-ex/part-*
		+
		+	==== Solution ====
		+	You can also download the solution {{:courses:mapreduce-tutorial:step-12-solution.txt|step-12-solution.pl}} and check the correct output.
		+	wget --no-check-certificate 'https://wiki.ufal.ms.mff.cuni.cz/_media/courses:mapreduce-tutorial:step-12-solution.txt' -O 'step-12-solution.pl'
		+	rm -rf step-12-out-sol; perl step-12-solution.pl run -c 5 - r 4 /home/straka/wiki/cs-text-medium/ step-12-out-sol
		+	less step-12-out-sol/vystup-*
	----		----

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