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Both sides previous revision Previous revision 2012/01/31 09:38 straka Change Perl commandline syntax.2012/01/30 10:28 majlis 2012/01/30 00:33 straka 2012/01/28 16:44 majlis Commands for execution were added.2012/01/28 16:00 majlis Added links to previous and next chapter.2012/01/28 12:32 majlis 2012/01/25 22:12 straka 2012/01/25 19:34 straka 2012/01/25 19:33 straka 2012/01/25 19:33 straka 2012/01/25 19:30 straka 2012/01/25 19:27 straka 2012/01/25 19:09 straka 2012/01/25 19:08 straka 2012/01/25 19:06 straka 2012/01/25 19:03 straka 2012/01/25 19:01 straka 2012/01/25 18:37 straka 2012/01/25 15:46 straka vytvořeno Go Next revision		Previous revision 2012/01/31 09:38 straka Change Perl commandline syntax.2012/01/30 10:28 majlis 2012/01/30 00:33 straka 2012/01/28 16:44 majlis Commands for execution were added.2012/01/28 16:00 majlis Added links to previous and next chapter.2012/01/28 12:32 majlis 2012/01/25 22:12 straka 2012/01/25 19:34 straka 2012/01/25 19:33 straka 2012/01/25 19:33 straka 2012/01/25 19:30 straka 2012/01/25 19:27 straka 2012/01/25 19:09 straka 2012/01/25 19:08 straka 2012/01/25 19:06 straka 2012/01/25 19:03 straka 2012/01/25 19:01 straka 2012/01/25 18:37 straka 2012/01/25 15:46 straka vytvořeno Go Next revision Both sides next revision
courses:mapreduce-tutorial:step-10 [2012/01/25 19:03] straka		courses:mapreduce-tutorial:step-10 [2012/01/25 19:34] straka
Line 27:		Line 27:
	</code>		</code>
		+	===== Excersise =====
		+
		+	Compare the effect of adding the combiner to a MR job which counts occurences of words of ''/home/straka/wiki/cs-text-medium'': {{:courses:mapreduce-tutorial:step-5-solution1.txt|wc-without-combiner.pl}} and {{:courses:mapreduce-tutorial:step-10.txt|wc-with-combiner.pl}}.
		+
		+	How would you explain the results?

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