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Both sides previous revision Previous revision 2012/02/06 14:52 dusek 2012/02/06 13:26 straka 2012/02/06 13:25 straka 2012/02/06 13:24 straka 2012/02/06 13:24 straka 2012/02/06 13:24 straka 2012/02/06 13:23 straka 2012/02/06 13:11 straka 2012/02/06 13:10 straka 2012/02/06 13:10 straka 2012/02/06 13:10 straka 2012/02/06 13:10 straka 2012/02/06 09:22 straka 2012/02/06 09:01 straka 2012/02/06 08:55 straka 2012/02/06 08:50 straka 2012/02/06 08:41 straka 2012/02/06 08:40 straka 2012/02/06 08:28 straka 2012/02/06 08:26 straka 2012/02/06 08:21 straka 2012/02/06 08:21 straka 2012/02/06 08:20 straka 2012/02/06 08:20 straka 2012/02/06 08:18 straka 2012/02/06 08:13 straka 2012/02/06 08:10 straka 2012/02/06 08:09 straka 2012/02/06 08:03 straka 2012/02/06 08:03 straka 2012/02/06 08:02 straka 2012/02/06 07:59 straka vytvořeno Go		2012/02/06 14:52 dusek 2012/02/06 13:26 straka 2012/02/06 13:25 straka 2012/02/06 13:24 straka 2012/02/06 13:24 straka 2012/02/06 13:24 straka 2012/02/06 13:23 straka 2012/02/06 13:11 straka 2012/02/06 13:10 straka 2012/02/06 13:10 straka 2012/02/06 13:10 straka 2012/02/06 13:10 straka 2012/02/06 09:22 straka 2012/02/06 09:01 straka 2012/02/06 08:55 straka 2012/02/06 08:50 straka 2012/02/06 08:41 straka 2012/02/06 08:40 straka 2012/02/06 08:28 straka 2012/02/06 08:26 straka 2012/02/06 08:21 straka 2012/02/06 08:21 straka 2012/02/06 08:20 straka 2012/02/06 08:20 straka 2012/02/06 08:18 straka 2012/02/06 08:13 straka 2012/02/06 08:10 straka 2012/02/06 08:09 straka 2012/02/06 08:03 straka 2012/02/06 08:03 straka 2012/02/06 08:02 straka 2012/02/06 07:59 straka vytvořeno Go Next revision Both sides next revision
courses:mapreduce-tutorial:step-31 [2012/02/06 08:26] straka		courses:mapreduce-tutorial:step-31 [2012/02/06 08:28] straka
Line 107:		Line 107:
	To run on a cluster with //C// machines using //C// mappers:		To run on a cluster with //C// machines using //C// mappers:
-	rm -rf step-31-out; /net/projects/hadoop/bin/hadoop -c C `/net/projects/hadoop/bin/compute-splitsize /net/projects/hadoop/examples/inputs/numbers-small C` Sum.jar /net/projects/hadoop/examples/inputs/numbers-small step-31-out	+	rm -rf step-31-out; /net/projects/hadoop/bin/hadoop Sum.jar -c C `/net/projects/hadoop/bin/compute-splitsize /net/projects/hadoop/examples/inputs/numbers-small C` /net/projects/hadoop/examples/inputs/numbers-small step-31-out
	less step-31-out/part-*		less step-31-out/part-*
Line 123:		Line 123:
	# $EDITOR Statistics.java		# $EDITOR Statistics.java
	make -f /net/projects/hadoop/java/Makefile Statistics.java		make -f /net/projects/hadoop/java/Makefile Statistics.java
-	rm -rf step-31-out; /net/projects/hadoop/bin/hadoop Statistics.jar	+	rm -rf step-31-out; /net/projects/hadoop/bin/hadoop Statistics.jar -c C `/net/projects/hadoop/bin/compute-splitsize /net/projects/hadoop/examples/inputs/numbers-small C` /net/projects/hadoop/examples/inputs/numbers-small step-31-out
	less step-31-out/part-*		less step-31-out/part-*
		+
		+	===== Exercise 2 =====
		+
		+	Implement an AllReduce job on ''/net/projects/hadoop/examples/inputs/numbers-small'', which computes
		+
		+	You can download the template {{:courses:mapreduce-tutorial:step-31-exercise2.txt|Median.java}} and execute it using:
		+	wget --no-check-certificate 'https://wiki.ufal.ms.mff.cuni.cz/_media/courses:mapreduce-tutorial:step-31-exercise2.txt' -O Median.java
		+	# NOW VIEW THE FILE
		+	# $EDITOR Median.java
		+	make -f /net/projects/hadoop/java/Makefile Median.java
		+	rm -rf step-31-out; /net/projects/hadoop/bin/hadoop Median.jar -c C `/net/projects/hadoop/bin/compute-splitsize /net/projects/hadoop/examples/inputs/numbers-small C` /net/projects/hadoop/examples/inputs/numbers-small step-31-out
		+	less step-31-out/part-*
		+
		+	Solution: {{:courses:mapreduce-tutorial:step-31-solution2.txt|Median.java}}.
		+
		+	===== Exercise 3 =====
		+
		+	Implement an AllReduce job on ''/net/projects/hadoop/examples/inputs/numbers-small'', which computes
		+
		+	You can download the template {{:courses:mapreduce-tutorial:step-31-exercise3.txt|Median.java}} and execute it using:
		+	wget --no-check-certificate 'https://wiki.ufal.ms.mff.cuni.cz/_media/courses:mapreduce-tutorial:step-31-exercise3.txt' -O KMeans.java.java
		+	# NOW VIEW THE FILE
		+	# $EDITOR KMeans.java.java
		+	make -f /net/projects/hadoop/java/Makefile KMeans.java.java
		+	rm -rf step-31-out; /net/projects/hadoop/bin/hadoop KMeans.java.jar -c C `/net/projects/hadoop/bin/compute-splitsize /net/projects/hadoop/examples/inputs/numbers-small C` /net/projects/hadoop/examples/inputs/numbers-small step-31-out
		+	less step-31-out/part-*
		+
		+	Solution: {{:courses:mapreduce-tutorial:step-31-solution3.txt|KMeans.java}}.

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