oozie编写一个小案例

1 mkdir oozie-apps
2 cd oozie-apps/
3 cp -r ../examples/apps/mar-reduce .
4 mv map-reduce mr-wordcount-wf   

 1 <!--
 2   Licensed to the Apache Software Foundation (ASF) under one
 3   or more contributor license agreements.  See the NOTICE file
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 5   regarding copyright ownership.  The ASF licenses this file
 6   to you under the Apache License, Version 2.0 (the
 7   "License"); you may not use this file except in compliance
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10        http://www.apache.org/licenses/LICENSE-2.0
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12   Unless required by applicable law or agreed to in writing, software
13   distributed under the License is distributed on an "AS IS" BASIS,
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15   See the License for the specific language governing permissions and
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18 <workflow-app xmlns="uri:oozie:workflow:0.5" name="mr-wordcount-wf">
19     <start to="mr-node-wordcount"/>
20     <action name="mr-node-wordcount">
21         <map-reduce>
22             <job-tracker>${jobTracker}</job-tracker>
23             <name-node>${nameNode}</name-node>
24             <prepare>
25                 <delete path="${nameNode}/${oozieDataRoot}/${outputDir}"/>
26             </prepare>
27             <configuration>
28                 <property>
29                     <name>mapred.mapper.new-api</name>
30                     <value>true</value>
31                 </property>
32                 <property>
33                     <name>mapred.reducer.new-api</name>
34                     <value>true</value>
35                 </property>
36                 <property>
37                     <name>mapreduce.job.queuename</name>
38                     <value>${queueName}</value>
39                 </property>
40                 <property>
41                     <name>mapreduce.job.map.class</name>
42                     <value>com.ibeifeng.hadoop.senior.mapreduce.WordCount$WordCountMapper</value>
43                 </property>
44                 <property>
45                     <name>mapreduce.job.reduce.class</name>
46                     <value>com.ibeifeng.hadoop.senior.mapreduce.WordCount$WordCountReducer</value>
47                 </property>
48                 
49                 <property>
50                     <name>mapreduce.map.output.key.class</name>
51                     <value>org.apache.hadoop.io.Text</value>
52                 </property>    
53                 <property>
54                     <name>mapreduce.map.output.value.class</name>
55                     <value>org.apache.hadoop.io.IntWritable</value>
56                 </property>    
57                 <property>
58                     <name>mapreduce.job.output.key.class</name>
59                     <value>org.apache.hadoop.io.Text</value>
60                 </property>
61                 <property>
62                     <name>mapreduce.job.output.value.class</name>
63                     <value>org.apache.hadoop.io.IntWritable</value>
64                 </property>
65                 <property>
66                     <name>mapreduce.input.fileinputformat.inputdir</name>
67                     <value>${nameNode}/${oozieDataRoot}/${inputDir}</value>
68                 </property>
69                 <property>
70                     <name>mapreduce.output.fileoutputformat.outputdir</name>
71                     <value>${nameNode}/${oozieDataRoot}/${outputDir}</value>
72                 </property>
73             </configuration>
74         </map-reduce>
75         <ok to="end"/>
76         <error to="fail"/>
77     </action>
78     <kill name="fail">
79         <message>Map/Reduce failed, error message[${wf:errorMessage(wf:lastErrorNode())}]</message>
80     </kill>
81     <end name="end"/>
82 </workflow-app>

 1 #
 2 # Licensed to the Apache Software Foundation (ASF) under one
 3 # or more contributor license agreements.  See the NOTICE file
 4 # distributed with this work for additional information
 5 # regarding copyright ownership.  The ASF licenses this file
 6 # to you under the Apache License, Version 2.0 (the
 7 # "License"); you may not use this file except in compliance
 8 # with the License.  You may obtain a copy of the License at
 9 # 
10 #      http://www.apache.org/licenses/LICENSE-2.0
11 # 
12 # Unless required by applicable law or agreed to in writing, software
13 # distributed under the License is distributed on an "AS IS" BASIS,
14 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 # See the License for the specific language governing permissions and
16 # limitations under the License.
17 #
18 
19 nameNode=hdfs://hadoop:8020
20 jobTracker=hadoop:8032
21 queueName=default
22 oozieAppsRoot=user/root/oozie-apps
23 oozieDataRoot=user/root/oozie/datas
24 
25 oozie.wf.application.path=${nameNode}/${oozieAppsRoot}/mr-wordcount-wf/workflow.xml
26 
27 inputDir=mr-wordcount-wf/input
28 outputDir=mr-wordcount-wf/output

1 /opt/cdh-5.3.6/hadoop-2.5.0-cdh5.3.6/bin/hadoop dfs -put oozie-apps/ oozie-apps

1 /opt/cdh-5.3.6/hadoop-2.5.0-cdh5.3.6/bin/hadoop dfs -mkdir -p oozie/datas/mr-wordcount-wf/input
3 /opt/cdh-5.3.6/hadoop-2.5.0-cdh5.3.6/bin/hadoop dfs -put test-mapred.txt oozie/datas/mr-wordcount-wf/input

1 export OOZIE_URL=http://localhost:11000/oozie
2 bin/oozie job -config oozie-apps/mr-wordcount-wf/job.properties -run