From 26c490f404731d053a6205719b6246502c07b449 Mon Sep 17 00:00:00 2001
From: Patrick Simianer <p@simianer.de>
Date: Sat, 14 Jun 2014 16:46:27 +0200
Subject: init

---
 hadoop/streaming/secondary_sort.sh | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100755 hadoop/streaming/secondary_sort.sh

(limited to 'hadoop/streaming/secondary_sort.sh')

diff --git a/hadoop/streaming/secondary_sort.sh b/hadoop/streaming/secondary_sort.sh
new file mode 100755
index 0000000..7fa0c6d
--- /dev/null
+++ b/hadoop/streaming/secondary_sort.sh
@@ -0,0 +1,30 @@
+#!/bin/sh
+
+
+hadoop dfs -put secondary_sort.input secondary_sort.input
+
+HADOOP_HOME=/usr/lib/hadoop
+HADOOP_VERSION=0.20.2-cdh3u1
+JAR=contrib/streaming/hadoop-streaming-$HADOOP_VERSION.jar
+HSTREAMING="$HADOOP_HOME/bin/hadoop jar $HADOOP_HOME/$JAR"
+
+OUT=comp_out
+
+$HSTREAMING \
+    -input secondary_sort.input \
+    -output $OUT \
+    -partitioner org.apache.hadoop.mapred.lib.KeyFieldBasedPartitioner \
+    -jobconf map.output.key.field.separator="-*-" \
+    -jobconf mapred.text.key.partitioner.options="-k1,1n" \
+    -mapper /bin/cat \
+    -reducer org.apache.hadoop.mapred.lib.IdentityReducer \
+    -jobconf mapred.output.key.comparator.class=org.apache.hadoop.mapred.lib.KeyFieldBasedComparator \
+    -jobconf stream.num.map.output.key.fields=2 \
+    -jobconf stream.map.output.field.separator="\t" \
+    -jobconf mapred.text.key.comparator.options="-k1,1n -k2,2nr" \
+    -jobconf mapred.reduce.tasks=3
+
+hadoop dfs -get $OUT .
+hadoop dfs -rmr $OUT
+hadoop dfs -rm secondary_sort.input
+
-- 
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