workflow
由多個工做單元組成
工做單元之間有依賴關係
MR1->MR2->MR3->result
hadoop jar:提交1個MR
oozie:監控當前工做單元狀態,完成以後自動提交下一個工做單元
scheduler
crontab:是linux簡單調度腳本
定時調度工做單元
模塊:
1) workflow:定義工做流程;順序執行流程節點,支持fork(分支多個節點),join(合併多個節點爲一個)html
2) Coordinator:協調器,調度工做流程,只能定義一個週期;定時觸發workflow前端
3) Bundle:綁定多個定時任務;綁定多個Coordinator java
workflow經常使用節點:node
1) 工做單元-對應->動做節點Action Nodes
2) 指明工做流走向->控制節點Control Flow Nodesmysql
apache版本的oozie須要編譯(即用maven導入相應的jar包)
Namenode:core-site.xml
hdfs:9000->8020爲了區別以前的hadooplinux
core-site.xmlweb
<!-- 指定HDFS中NameNode的地址 --> <property> <name>fs.defaultFS</name> <value>hdfs://hadoop101:8020</value> </property> <!-- 指定Hadoop運行時產生文件的存儲目錄 --> <property> <name>hadoop.tmp.dir</name> <value>/opt/module/cdh/hadoop-2.5.0-cdh5.3.6</value> </property> <!-- Oozie Server的Hostname --> <property> <name>hadoop.proxyuser.kris.hosts</name> <value>*</value> </property> <!-- 容許被Oozie代理的用戶組 --> <property> <name>hadoop.proxyuser.kris.groups</name> <value>*</value> </property>
hadoop代理用戶
有可能沒有權限,讓代理去作可有可無的事
kris被代理,user1代理;oozie用到了hadoop的代理機制sql
kris可以代理用戶的節點
kris可以代理的用戶組
即kris可以代理全部節點上的全部用戶
hdfs-site.xmlshell
<!-- 數據的副本數量 --> <property> <name>dfs.replication</name> <value>3</value> </property> <!-- 指定Hadoop輔助名稱節點主機配置 --> <property> <name>dfs.namenode.secondary.http-address</name> <value>hadoop103:50090</value> </property>
yarn-site.xml數據庫
<!-- Reducer獲取數據的方式 --> <property> <name>yarn.nodemanager.aux-services</name> <value>mapreduce_shuffle</value> </property> <!-- 指定YARN的ResourceManager的地址 --> <property> <name>yarn.resourcemanager.hostname</name> <value>hadoop102</value> </property> <!-- 任務歷史服務 --> <property> <name>yarn.log.server.url</name> <value>http://hadoop101:19888/jobhistory/logs/</value> </property>
更名爲mapred-site.xml
<property> <name>mapreduce.framework.name</name> <value>yarn</value> </property> <!-- 配置 MapReduce JobHistory Server 地址 ,默認端口10020 --> <property> <name>mapreduce.jobhistory.address</name> <value>hadoop101:10020</value> </property> <!-- 配置 MapReduce JobHistory Server web ui 地址, 默認端口19888 --> <property> <name>mapreduce.jobhistory.webapp.address</name> <value>hadoop101:19888</value> </property>
oozie是經過歷史服務器進行監控工做單元
服務地址端口10020,web頁面的端口是19888
slaves
hadoop101
hadoop102
hadoop103
啓動hadoop集羣:
[kris@hadoop101 hadoop-2.5.0-cdh5.3.6]$bin/hdfs namenode -format ##若是出現reformat就點擊N
[kris@hadoop101 hadoop-2.5.0-cdh5.3.6]$sbin/start-dfs.sh
[kris@hadoop102 hadoop-2.5.0-cdh5.3.6]$sbin/start-yarn.sh
[kris@hadoop101 hadoop-2.5.0-cdh5.3.6]$sbin/mr-jobhistory-daemon.sh start historyserver
1. 解壓Oozie [kris@hadoop101 software]$ tar -zxvf /opt/software/oozie-4.0.0-cdh5.3.6.tar.gz -C /opt/module 2. 在oozie根目錄下解壓oozie-hadooplibs-4.0.0-cdh5.3.6.tar.gz;由於它上級目錄與這個目錄同樣,它就會直接把hadooplibs解壓到根目錄; [kris@hadoop101 oozie-4.0.0-cdh5.3.6]$ tar -zxvf oozie-hadooplibs-4.0.0-cdh5.3.6.tar.gz -C ../
也能夠: tar -zxf oozie-hadooplibs-4.0.0-cdh5.3.6.tar.gz
mv hadooplibs/ ../
完成後Oozie目錄下會出現hadooplibs目錄。 3. 在Oozie目錄下建立libext目錄 [kris@hadoop101 oozie-4.0.0-cdh5.3.6]$ mkdir libext/ 4. 拷貝依賴的Jar包;jar包、mysql驅動類、js框架放到libext目錄下; 1)將hadooplibs裏面的jar包,拷貝到libext目錄下: [kris@hadoop101 oozie-4.0.0-cdh5.3.6]$ cp -ra hadooplibs/hadooplib-2.5.0-cdh5.3.6.oozie-4.0.0-cdh5.3.6/* libext/ 2)拷貝Mysql驅動包到libext目錄下: [kris@hadoop101 oozie-4.0.0-cdh5.3.6]$ cp -a /opt/software/mysql-connector-java-5.1.27/mysql-connector-java-5.1.27-bin.jar ./libext/ 3)將ext-2.2.zip拷貝到libext/目錄下 ext是一個js框架,用於展現oozie前端頁面: [kris@hadoop101 oozie-4.0.0-cdh5.3.6]$ cp -a /opt/software/ext-2.2.zip libext/
5. 修改Oozie配置文件 oozie-site.xml 屬性:oozie.service.JPAService.jdbc.driver 屬性值:com.mysql.jdbc.Driver 解釋:JDBC的驅動 屬性:oozie.service.JPAService.jdbc.url 屬性值:jdbc:mysql://hadoop101:3306/oozie 解釋:oozie所需的數據庫地址 屬性:oozie.service.JPAService.jdbc.username 屬性值:root 解釋:數據庫用戶名 屬性:oozie.service.JPAService.jdbc.password 屬性值:123456 解釋:數據庫密碼 屬性:oozie.service.HadoopAccessorService.hadoop.configurations 屬性值:*=/opt/module/cdh/hadoop-2.5.0-cdh5.3.6/etc/hadoop 解釋:讓Oozie引用Hadoop的配置文件 6. 在Mysql中建立Oozie的數據庫 進入Mysql並建立oozie數據庫: $ mysql -uroot -p123456 mysql> create database oozie; 七、初始化Oozie 1)上傳Oozie目錄下的yarn.tar.gz文件到HDFS: oozie會自動解壓上傳到hdfs [kris@hadoop101 oozie-4.0.0-cdh5.3.6]$ bin/oozie-setup.sh sharelib create -fs hdfs://hadoop101:8020 -locallib oozie-sharelib-4.0.0-cdh5.3.6-yarn.tar.gz 執行成功以後,去50070檢查對應目錄有沒有文件生成。 2)建立oozie.sql文件 ;它會生成一個.sql文件,若是不指定它會在tmp那個目錄建立.sql文件 [kris@hadoop101 oozie-4.0.0-cdh5.3.6]$ bin/ooziedb.sh create -sqlfile oozie.sql -run setting CATALINA_OPTS="$CATALINA_OPTS -Xmx1024m" 3)打包項目,生成war包 [kris@hadoop101 oozie-4.0.0-cdh5.3.6]$ bin/oozie-setup.sh prepare-war setting CATALINA_OPTS="$CATALINA_OPTS -Xmx1024m"
New Oozie WAR file with added 'ExtJS library, JARs' at /opt/module/oozie-4.0.0-cdh5.3.6/oozie-server/webapps/oozie.war
4) Oozie的啓動與關閉 [kris@hadoop101 oozie-4.0.0-cdh5.3.6]$ bin/oozied.sh start [kris@hadoop101 oozie-4.0.0-cdh5.3.6]$ bin/oozied.sh stop
訪問Oozie的Web頁面
http://hadoop101:11000/oozie/
若是沒有oozied.sh 起來,把oozied.pid文件給刪掉,從新起下; [kris@hadoop101 temp]$ pwd /opt/module/oozie-4.0.0-cdh5.3.6/oozie-server/temp [kris@hadoop101 temp]$ ll 總用量 8 drwxrwxr-x. 3 kris kris 4096 3月 2 10:52 oozie-kris4439005802986311795.dir -rw-rw-r--. 1 kris kris 5 3月 2 10:52 oozie.pid -rwxr-xr-x. 1 kris kris 0 11月 14 2014 safeToDelete.tmp
1)建立工做目錄 [kris@hadoop101 oozie-4.0.0-cdh5.3.6]$ mkdir -p oozie-apps/shell 2)在oozie-apps/shell目錄下建立兩個文件——job.properties和workflow.xml文件 [kris@hadoop101 shell]$ touch workflow.xml [kris@hadoop101 shell]$ touch job.properties 3)編輯job.properties和workflow.xml文件
job.properties
#HDFS地址 nameNode=hdfs://hadoop101:8020 #ResourceManager地址 jobTracker=hadoop102:8032 #隊列名稱 queueName=default examplesRoot=oozie-apps oozie.wf.application.path=${nameNode}/user/${user.name}/${examplesRoot}/shell
workflow.xml
<workflow-app xmlns="uri:oozie:workflow:0.4" name="shell-wf"> <!--開始節點--> <start to="shell-node"/> <!--動做節點--> <action name="shell-node"> <!--shell動做--> <shell xmlns="uri:oozie:shell-action:0.2"> <job-tracker>${jobTracker}</job-tracker> <name-node>${nameNode}</name-node> <configuration> <property> <name>mapred.job.queue.name</name> <value>${queueName}</value> </property> </configuration> <!--要執行的腳本--> <exec>mkdir</exec> <argument>/opt/module/d</argument> <capture-output/> </shell> <ok to="end"/> <error to="fail"/> </action> <!--kill節點--> <kill name="fail"> <message>Shell action failed, error message[${wf:errorMessage(wf:lastErrorNode())}]</message> </kill> <!--結束節點--> <end name="end"/> </workflow-app>
job-tracker是hadoop1.x 中ResourceManager
oozie.coord.application.path:${nameNode}/user/${user.name}/${examplesRoot}/shell 這個路徑是這兩個配置文件要上傳到HDFS上的路徑
hdfs://hadoop101:8020/user/kris/oozie-apps/shell
[kris@hadoop101 shell]$ ll 總用量 8 -rw-rw-r--. 1 kris kris 226 3月 2 18:36 job.properties -rw-rw-r--. 1 kris kris 900 3月 2 18:37 workflow.xml [kris@hadoop101 oozie-4.0.0-cdh5.3.6]$ /opt/module/cdh/hadoop-2.5.0-cdh5.3.6/bin/hadoop fs -put oozie-apps/ /user/kris 19/03/02 18:41:08 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable [kris@hadoop101 oozie-4.0.0-cdh5.3.6]$ bin/oozie job -oozie http://hadoop101:11000/oozie -config oozie-apps/shell/job.properties -run job: 0000000-190302183330904-oozie-kris-W
DAG有向無環圖,沒有造成死循環
start
↓
action → kill
↓
end
顏色是綠色才表明成功,不然就是出錯了;
殺死某個任務 [kris@hadoop101 oozie-4.0.0-cdh5.3.6]$ bin/oozie job -oozie http://hadoop101:11000/oozie -kill 0000000-190302183330904-oozie-kris-W
job.properties
nameNode=hdfs://hadoop101:8020 jobTracker=hadoop102:8032 queueName=default examplesRoot=oozie-apps oozie.wf.application.path=${nameNode}/user/${user.name}/${examplesRoot}/shells
workflow.xml
<workflow-app xmlns="uri:oozie:workflow:0.4" name="shell-wf"> <start to="p1-shell-node"/> <action name="p1-shell-node"> <shell xmlns="uri:oozie:shell-action:0.2"> <job-tracker>${jobTracker}</job-tracker> <name-node>${nameNode}</name-node> <configuration> <property> <name>mapred.job.queue.name</name> <value>${queueName}</value> </property> </configuration> <exec>mkdir</exec> <argument>/opt/module/d1</argument> <capture-output/> </shell> <ok to="p2-shell-node"/> <error to="fail"/> </action> <action name="p2-shell-node"> <shell xmlns="uri:oozie:shell-action:0.2"> <job-tracker>${jobTracker}</job-tracker> <name-node>${nameNode}</name-node> <configuration> <property> <name>mapred.job.queue.name</name> <value>${queueName}</value> </property> </configuration> <exec>mkdir</exec> <argument>/opt/module/d2</argument> <capture-output/> </shell> <ok to="end"/> <error to="fail"/> </action> <kill name="fail"> <message>Shell action failed, error message[${wf:errorMessage(wf:lastErrorNode())}]</message> </kill> <end name="end"/> </workflow-app>
上傳任務配置 [kris@hadoop101 hadoop-2.5.0-cdh5.3.6]$ /opt/module/cdh/hadoop-2.5.0-cdh5.3.6/bin/hadoop fs -put oozie-apps/shells/ /user/kris/oozie-apps19/03/02 19:06:04 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable 執行任務 [kris@hadoop101 oozie-4.0.0-cdh5.3.6]$ bin/oozie job -oozie http://hadoop101:11000/oozie -config oozie-apps/shells/job.properties -run job: 0000001-190302183330904-oozie-kris-W
fock和join的用法見官網:http://oozie.apache.org/docs/4.0.0/WorkflowFunctionalSpec.html#a3.1.5_Fork_and_Join_Control_Nodes
---to-->p2-shell-node
p1-shell-node --to-->forking ---它倆 --join---to -->p4-shell-node
---to-->p3-shell-node
job.properties
nameNode=hdfs://hadoop101:8020
jobTracker=hadoop102:8032
queueName=default
examplesRoot=oozie-apps
oozie.wf.application.path=${nameNode}/user/${user.name}/${examplesRoot}/xshell
workflow.xml
<workflow-app xmlns="uri:oozie:workflow:0.4" name="shell-wf"> <start to="p1-shell-node"/> <action name="p1-shell-node"> <shell xmlns="uri:oozie:shell-action:0.2"> <job-tracker>${jobTracker}</job-tracker> <name-node>${nameNode}</name-node> <configuration> <property> <name>mapred.job.queue.name</name> <value>${queueName}</value> </property> </configuration> <exec>mkdir</exec> <argument>/opt/module/d1</argument> <capture-output/> </shell> <ok to="forking"/> <error to="fail"/> </action> <action name="p2-shell-node"> <shell xmlns="uri:oozie:shell-action:0.2"> <job-tracker>${jobTracker}</job-tracker> <name-node>${nameNode}</name-node> <configuration> <property> <name>mapred.job.queue.name</name> <value>${queueName}</value> </property> </configuration> <exec>mkdir</exec> <argument>/opt/module/d2</argument> <capture-output/> </shell> <ok to="joining"/> <error to="fail"/> </action> <action name="p3-shell-node"> <shell xmlns="uri:oozie:shell-action:0.2"> <job-tracker>${jobTracker}</job-tracker> <name-node>${nameNode}</name-node> <configuration> <property> <name>mapred.job.queue.name</name> <value>${queueName}</value> </property> </configuration> <exec>mkdir</exec> <argument>/opt/module/d3</argument> <capture-output/> </shell> <ok to="joining"/> <error to="fail"/> </action> <action name="p4-shell-node"> <shell xmlns="uri:oozie:shell-action:0.2"> <job-tracker>${jobTracker}</job-tracker> <name-node>${nameNode}</name-node> <configuration> <property> <name>mapred.job.queue.name</name> <value>${queueName}</value> </property> </configuration> <exec>mkdir</exec> <argument>/opt/module/d4</argument> <capture-output/> </shell> <ok to="end"/> <error to="fail"/> </action> <fork name="forking"> <path start="p2-shell-node"/> <path start="p3-shell-node"/> </fork> <join name="joining" to="p4-shell-node"/> <kill name="fail"> <message>Shell action failed, error message[${wf:errorMessage(wf:lastErrorNode())}]</message> </kill> <end name="end"/> </workflow-app>
上傳 [kris@hadoop101 oozie-4.0.0-cdh5.3.6]$ /opt/module/cdh/hadoop-2.5.0-cdh5.3.6/bin/hadoop fs -put oozie-apps/xshell/ /user/kris/oozie-apps 19/03/03 14:18:33 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable 執行任務 [kris@hadoop101 oozie-4.0.0-cdh5.3.6]$ bin/oozie job -oozie http://hadoop101:11000/oozie -config oozie-apps/xshell/job.properties -run job: 0000011-190303122200913-oozie-kris-W
oozie.examples.tar.gz包:即全部的案例:
[kris@hadoop101 apps]$ ll 總用量 88 drwxr-xr-x. 3 kris kris 4096 3月 2 19:19 aggregator drwxr-xr-x. 2 kris kris 4096 3月 2 19:19 bundle drwxr-xr-x. 2 kris kris 4096 3月 2 19:19 cron ##新的 drwxr-xr-x. 2 kris kris 4096 3月 2 19:19 cron-schedule ##配置定時的,適合linux drwxr-xr-x. 3 kris kris 4096 3月 2 19:19 custom-main drwxr-xr-x. 3 kris kris 4096 3月 2 19:19 datelist-java-main drwxr-xr-x. 3 kris kris 4096 3月 2 19:19 demo drwxr-xr-x. 2 kris kris 4096 3月 2 19:19 distcp drwxr-xr-x. 3 kris kris 4096 3月 2 19:19 hadoop-el drwxr-xr-x. 2 kris kris 4096 3月 2 19:19 hcatalog drwxr-xr-x. 2 kris kris 4096 3月 2 19:19 hive drwxr-xr-x. 3 kris kris 4096 3月 2 19:19 java-main #java類 drwxr-xr-x. 3 kris kris 4096 3月 2 19:19 map-reduce # drwxr-xr-x. 2 kris kris 4096 3月 2 19:19 no-op drwxr-xr-x. 2 kris kris 4096 3月 2 19:19 pig drwxr-xr-x. 2 kris kris 4096 3月 2 19:19 shell # drwxr-xr-x. 2 kris kris 4096 3月 2 19:19 sla drwxr-xr-x. 2 kris kris 4096 3月 2 19:19 sqoop # drwxr-xr-x. 2 kris kris 4096 3月 2 19:19 sqoop-freeform drwxr-xr-x. 2 kris kris 4096 3月 2 19:19 ssh drwxr-xr-x. 2 kris kris 4096 3月 2 19:19 streaming drwxr-xr-x. 2 kris kris 4096 3月 2 19:19 subwf [kris@hadoop101 apps]$ pwd /opt/module/oozie-4.0.0-cdh5.3.6/examples/apps
[kris@hadoop101 map-reduce]$ ll 總用量 20 -rw-r--r--. 1 kris kris 1012 7月 29 2015 job.properties -rw-r--r--. 1 kris kris 1028 7月 29 2015 job-with-config-class.properties #帶有配置類的;以前寫的那三個mapreduce類,Driver是輸入輸出路徑以及k,v格式類型;roozie調用MR時有兩種配置:
一種是專門寫一個配置類,oozie提供好了接口到時去繼承它就能夠,實現裏邊的方法;
另一種是直接在workflow.xml文件中配置;咱們採用第二種方式; drwxrwxr-x. 2 kris kris 4096 3月 2 19:19 lib #放jar包; -rw-r--r--. 1 kris kris 2274 7月 29 2015 workflow-with-config-class.xml -rw-r--r--. 1 kris kris 2559 7月 29 2015 workflow.xml
1) 拷貝官方模板到oozie-apps [kris@hadoop101 oozie-4.0.0-cdh5.3.6]$ cp -r /opt/module/oozie-4.0.0-cdh5.3.6/examples/apps/map-reduce/ oozie-apps/ [kris@hadoop101 hadoop-2.5.0-cdh5.3.6]$ bin/hadoop fs -mkdir /input 19/03/02 19:34:02 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable 2) 測試一下wordcount在yarn中的運行 [kris@hadoop101 oozie-4.0.0-cdh5.3.6]$ /opt/module/cdh/hadoop-2.5.0-cdh5.3.6/bin/yarn jar /opt/module/cdh/hadoop-2.5.0-cdh5.3.6/share/hadoop/mapreduce/hadoop-mapreduce-examples-2.5.0-cdh5.3.6.jar wordcount /input/ /output/ 19/03/02 19:34:32 INFO mapreduce.Job: map 0% reduce 100% 19/03/02 19:34:33 INFO mapreduce.Job: Job job_1551522372459_0005 completed successfully 19/03/02 19:34:33 INFO mapreduce.Job: Counters: 38 ########下面是另一種:
建立輸入文件wordcount.txt [kris@hadoop101 hadoop-2.5.0-cdh5.3.6]$ vim wordcount.txt java java java kafka kafka oozie 把它上傳到hdfs上 [kris@hadoop101 hadoop-2.5.0-cdh5.3.6]$ bin/hadoop fs -put wordcount.txt / 執行下官方提供的wordcount的jar包 [kris@hadoop101 hadoop-2.5.0-cdh5.3.6]$ bin/yarn jar share/hadoop/mapreduce/hadoop-mapreduce-examples-2.5.0-cdh5.3.6.jar wordcount /wordcount.txt /output
把官方案例的wordcount的jar包放在lib下面 [kris@hadoop101 lib]$ ll 總用量 28 -rw-r--r--. 1 kris kris 24707 3月 3 14:49 oozie-examples-4.0.0-cdh5.3.6.jar [kris@hadoop101 lib]$ rm -rf oozie-examples-4.0.0-cdh5.3.6.jar [kris@hadoop101 lib]$ cp /opt/module/cdh/hadoop-2.5.0-cdh5.3.6/share/hadoop/mapreduce/hadoop-mapreduce-examples-2.5.0-cdh5.3.6.jar ./ [kris@hadoop101 lib]$ ll 總用量 272 -rw-r--r--. 1 kris kris 275958 3月 3 14:54 hadoop-mapreduce-examples-2.5.0-cdh5.3.6.jar [kris@hadoop101 lib]$
3) 配置map-reduce任務的job.properties以及workflow.xml
job.properties
nameNode=hdfs://hadoop101:8020 jobTracker=hadoop102:8032 queueName=default examplesRoot=oozie-apps oozie.wf.application.path=${nameNode}/user/${user.name}/${examplesRoot}/map-reduce/workflow.xml outputDir=map-reduce
workflow.xml
<workflow-app xmlns="uri:oozie:workflow:0.2" name="map-reduce-wf"> <start to="mr-node"/> <action name="mr-node"> <map-reduce> <job-tracker>${jobTracker}</job-tracker> <name-node>${nameNode}</name-node> <prepare> <delete path="${nameNode}/output/"/> </prepare> <configuration> <property> <name>mapred.job.queue.name</name> <value>${queueName}</value> </property> <!-- 配置調度MR任務時,使用新的API --> <property> <name>mapred.mapper.new-api</name> <value>true</value> </property> <property> <name>mapred.reducer.new-api</name> <value>true</value> </property> <!-- 指定Job Key輸出類型 --> <property> <name>mapreduce.job.output.key.class</name> <value>org.apache.hadoop.io.Text</value> </property> <!-- 指定Job Value輸出類型 --> <property> <name>mapreduce.job.output.value.class</name> <value>org.apache.hadoop.io.IntWritable</value> </property> <!-- 指定輸入路徑 --> <property> <name>mapred.input.dir</name> <value>/wordcount.txt</value> </property> <!-- 指定輸出路徑 --> <property> <name>mapred.output.dir</name> <value>/output/</value> </property> <!-- 指定Map類 --> <property> <name>mapreduce.job.map.class</name> <value>org.apache.hadoop.examples.WordCount$TokenizerMapper</value> </property> <!-- 指定Reduce類 --> <property> <name>mapreduce.job.reduce.class</name> <value>org.apache.hadoop.examples.WordCount$IntSumReducer</value> </property> </configuration> </map-reduce> <ok to="end"/> <error to="fail"/> </action> <kill name="fail"> <message>Map/Reduce failed, error message[${wf:errorMessage(wf:lastErrorNode())}]</message> </kill> <end name="end"/> </workflow-app>
<delete path="${nameNode}/output/"/> ##跑在mapreduce中輸入路徑不能存在;即把output輸入文件給刪掉
#mapred是不對的,老版的;能夠去官網有新舊的對比;也能夠直接看wordcount的源碼看設置的什麼屬性
若是map端輸出的k v和最終輸出的k v類型是同樣的,配置一個就能夠了
#mapreduce的個數不指定,讓它本身決定;看它的源碼反編譯,jar包反編譯就能夠得出它的value
<property> <name>mapred.map.tasks</name> ##能夠不指定 <value>1</value> </property>
5) 上傳配置好的文件夾到HDFS [kris@hadoop101 oozie-4.0.0-cdh5.3.6]$ /opt/module/cdh/hadoop-2.5.0-cdh5.3.6/bin/hdfs dfs -put oozie-apps/map-reduce/ /user/kris/oozie-apps 6) 執行任務 [kris@hadoop101 oozie-4.0.0-cdh5.3.6]$ bin/oozie job -oozie http://hadoop101:11000/oozie -config oozie-apps/map-reduce/job.properties -run job: 0000000-190302224616759-oozie-kris-W
目標:Coordinator週期性調度任務
分步實現:
1) 配置Linux時區以及時間服務器
2) 檢查系統當前時區:
# date -R
[kris@hadoop101 hadoop-2.5.0-cdh5.3.6]$ date -R Sun, 03 Mar 2019 12:58:37 +0800 [kris@hadoop102 module]$ date -R Sun, 03 Mar 2019 12:58:02 +0800 [kris@hadoop103 ~]$ date -R Sun, 03 Mar 2019 12:58:56 +0800
配置oozie-site.xml文件; 注:該屬性去oozie-default.xml中找到便可 [kris@hadoop101 conf]$ vim oozie-site.xml ;將默認的UTC改爲GMT+0800 <property> <name>oozie.processing.timezone</name> <value>GMT+0800</value> <description> Oozie server timezone. Valid values are UTC and GMT(+/-)####, for example 'GMT+0530' would be India timezone. All dates parsed and genered dates by Oozie Coordinator/Bundle will be done in the specified timezone. The default value of 'UTC' should not be changed under normal circumtances. If for any reason is changed, note that GMT(+/-)#### timezones do not observe DST changes. </description> </property> 修改js框架中的關於時間設置的代碼 function getTimeZone() { Ext.state.Manager.setProvider(new Ext.state.CookieProvider()); return Ext.state.Manager.get("TimezoneId","GMT+0800"); } 重啓oozie服務,並重啓瀏覽器(必定要注意清除緩存) [kris@hadoop101 oozie-4.0.0-cdh5.3.6]$ bin/oozied.sh stop [kris@hadoop101 oozie-4.0.0-cdh5.3.6]$ bin/oozied.sh start 拷貝官方模板配置定時任務\ [kris@hadoop101 oozie-4.0.0-cdh5.3.6]$ cp -r examples/apps/cron oozie-apps/ 修改模板job.properties和coordinator.xml以及workflow.xml
job.properties
nameNode=hdfs://hadoop101:8020
jobTracker=hadoop102:8032
queueName=default
examplesRoot=oozie-apps
oozie.coord.application.path=${nameNode}/user/${user.name}/${examplesRoot}/cron
#start:必須設置爲將來時間,不然任務失敗
start=2019-03-03T12:33+0800
end=2019-03-03T12:53+0800
workflowAppUri=${nameNode}/user/${user.name}/${examplesRoot}/cron
EXEC=p1.sh
coordinator.xml
<coordinator-app name="cron-coord" frequency="${coord:minutes(5)}" start="${start}" end="${end}" timezone="GMT+0800" xmlns="uri:oozie:coordinator:0.2"> <action> <workflow> <app-path>${workflowAppUri}</app-path> <configuration> <property> <name>jobTracker</name> <value>${jobTracker}</value> </property> <property> <name>nameNode</name> <value>${nameNode}</value> </property> <property> <name>queueName</name> <value>${queueName}</value> </property> </configuration> </workflow> </action> </coordinator-app>
workflow.xml
<workflow-app xmlns="uri:oozie:workflow:0.5" name="one-op-wf"> <start to="shell-node"/> <action name="shell-node"> <shell xmlns="uri:oozie:shell-action:0.2"> <job-tracker>${jobTracker}</job-tracker> <name-node>${nameNode}</name-node> <configuration> <property> <name>mapred.job.queue.name</name> <value>${queueName}</value> </property> </configuration> <exec>${EXEC}</exec> <file>/user/kris/oozie-apps/cron/${EXEC}#${EXEC}</file> <capture-output/> </shell> <ok to="end"/> <error to="fail"/> </action> <kill name="fail"> <message>Shell action failed, error message[${wf:errorMessage(wf:lastErrorNode())}]</message> </kill> <end name="end"/> </workflow-app>
其中 #${EXEC}是給起別名; 須要自定義配置的:frequency start end timezone;定時調度的workflow:路徑hdfs上的
workflowAppUri 這個路徑是放workflow.xml文件和job.properties的HDFS上的路徑
<!--要執行的腳本的寫法-->
<exec>p1.sh</exec>
<file>/opt/module/oozie-apps/cron/p1.sh</file> #hdfs上的路徑
<capture-output/>
p1.sh也能夠本身建立lib目錄下就不需寫路徑了
yarn經過container收集日誌;能夠查看它的log日誌
[kris@hadoop101 cron]$ vim p1.sh #這裏要寫絕對路徑 #!/bin/bash date >> /opt/module/p1.sh 上傳配置 [kris@hadoop101 oozie-4.0.0-cdh5.3.6]$ /opt/module/cdh/hadoop-2.5.0-cdh5.3.6/bin/hadoop fs -put oozie-apps/cron/ /user/kris/oozie-apps 啓動任務 [kris@hadoop101 oozie-4.0.0-cdh5.3.6]$ bin/oozie job -oozie http://hadoop101:11000/oozie -config oozie-apps/cron/job.properties -run
job: 0000002-190303122200913-oozie-kris-C 能夠看到 [kris@hadoop102 module]$ cat p1.sh 2019年 03月 03日 星期日 12:32:14 CST 2019年 03月 03日 星期日 12:33:09 CST 2019年 03月 03日 星期日 12:37:07 CST
[kris@hadoop101 hive]$ ll 總用量 12 -rw-r--r--. 1 kris kris 1000 7月 29 2015 job.properties -rw-r--r--. 1 kris kris 939 7月 29 2015 script.q -rw-r--r--. 1 kris kris 2003 7月 29 2015 workflow.xml [kris@hadoop101 hive]$ pwd /opt/module/oozie-4.0.0-cdh5.3.6/examples/apps/hive
[kris@hadoop101 hive]$ vim script.q
CREATE EXTERNAL TABLE test (a INT) STORED AS TEXTFILE LOCATION '${INPUT}';
INSERT OVERWRITE DIRECTORY '${OUTPUT}' SELECT * FROM test;
[kris@hadoop101 hive]$ vim workflow.xml
<script>script.q</script>...