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1. ϵͳ»·¾³½éÉÜ
2. ÅäÖù̶¨IPµØÖ·
3. ÐÞ¸ÄÖ÷»úÃû
4. ½¨Á¢Ö÷»úÓ³Éä
5. ¹Ø±Õ·À»ðǽ¡¢½ûÓÃselinux
6. ´´½¨ÆÕͨÓû§¡¢ÉèÖÃÓû§ÃÜÂë
7. Ϊ´´½¨µÄÆÕͨÓû§¸³È¨ÏÞ
8. Ð¶ÔØCentOS×Ô´øµÄOpenjdk
µÚ¶þ²½ ´´½¨hadoopĿ¼½á¹¹²¢Ê¹ÓÃFileZillaÉÏ´«Îļþ
1. ÒÔÆÕͨÓû§´´½¨hadoopĿ¼½á¹¹
2. ÐÞ¸ÄĿ¼¹éÊôÕß
3. ʹÓÃFileZillaÉÏ´«ÎļþÖÁÏàÓ¦µÄĿ¼ÖÐ
µÚÈý²½ °²×°JDK¡¢ÅäÖû·¾³±äÁ¿¡¢½âѹHadoop2.5.0
1. °²×°JDK
2. ÅäÖû·¾³±äÁ¿
3. ½âѹHadoop2.5.0Îļþ£¬×î´ó»¯¿ÉÓÿռä
µÚËIJ½ ÅäÖÃHDFS¡¢Æô¶¯ºÍ²âÊÔ¶ÁдÎļþ
1. ʹÓÃNotepad++ÅäÖÃhadoop-env.shÖеÄJAVA_HOME
2. ʹÓÃNotepad++ÅäÖÃhdfsÏà¹ØµÄxmlÊôÐÔ
3. ¸ñʽ»¯HDFSϵͳ¡¢Æô¶¯HDFSϵͳ¼°²âÊÔ¶ÁдÎļþ
µÚÎå²½ ÅäÖÃYARN¡¢Æô¶¯ºÍMapReduceÔËÐÐÔÚYARNÉÏ
1. ʹÓÃNotepad++ÅäÖÃyarn-env.shºÍmapred-env.shÖеÄJAVA_HOME
2. ʹÓÃNotepad++ÅäÖÃyarnÏà¹ØµÄxmlÊôÐÔ£¬²¢Æô¶¯YARN
3. ʹÓÃNotepad++ÅäÖÃmapredÏà¹ØµÄxmlÊôÐÔ£¬²¢Æô¶¯JobHistoryServer·þÎñ
4. ÔËÐÐMapReduce WordCount³ÌÐò
HDFS¡¢YARNÒÔ¼°MapReduce¹¦ÄÜÃèÊö
1. ϵͳ»·¾³½éÉÜ
1£© ÐéÄâ»ú»·¾³£º VMWare Workstation 12
2£© ²Ù×÷ϵͳ£º CentOS 6.5
3£© Ô¶³Ì¹¤¾ß£º SecureCRT£¨Ô¶³ÌÁ¬½Ó¹¤¾ß£©
FileZilla£¨Ô¶³ÌÎļþ´«Ê乤¾ß£©
2. ÅäÖù̶¨IPµØÖ·
IPv4 Settings : IPADDR : 192.168.1.100 NETMASK : 255.255.255.0 GATEWAY : 192.168.1.1 DNS1 : 192.168.1.1 DNS2 : 8.8.8.8 setting file £º/etc/sysconfig/network-scripts/ifcfg-eth0
<†·Ÿ"/kf/ware/vc/" target="_blank" class="keylink">vcD4NCjxwPjxzdHJvbmc+My4g0N64xNb3u/rD+zwvc3Ryb25nPjwvcD4NCjxwcmUgY2xhc3M9"brush:java;"> [root@localhost ~]# hostname localhost [root@localhost ~]# vi /etc/sysconfig/network [root@localhost ~]# hostname hadoop-master.qianxin.com
4. ½¨Á¢Ö÷»úÓ³Éä
ÐÞ¸ÄLinuxÖ÷»úÓ³Éä[root@localhost ~]# vi /hosts
ÐÞ¸ÄWindowsÖ÷»úÓ³Éä
ʹÓÃNotepad++´ò¿ªC:\Windows\System32\drivers\etcĿ¼ÏµÄhostsÎļþÌí¼ÓÒÔÏÂÐÅÏ¢£º 192.168.1.100 hadoop-master.qianxin.com ÐÞ¸ÄÍê³Éºó£¬ÖØÆôLinuxϵͳ¡£
5. ¹Ø±Õ·À»ðǽ¡¢½ûÓÃselinux
[root@hadoop-master ~]# service iptables stop [root@hadoop-master ~]# chkconfig iptables off [root@hadoop-master ~]# vi /etc/selinux/config
6. ´´½¨ÆÕͨÓû§¡¢ÉèÖÃÓû§ÃÜÂë
[root@hadoop-master ~]# useradd qianxin [root@hadoop-master ~]# passwd qianxin
7. Ϊ´´½¨µÄÆÕͨÓû§¸³È¨ÏÞ
[root@hadoop-master ~]# visudo
8. Ð¶ÔØCentOS×Ô´øµÄOpenjdk
[root@hadoop-master ~]# rpm -qa | grep java [root@hadoop-master ~]# rpm -e --nodeps [ÒѰ²×°µÄjdkÓ¦ÓÃÃû]
1. ÒÔÆÕͨÓû§´´½¨hadoopĿ¼½á¹¹
[qianxin@hadoop-master ~]$ cd /opt [qianxin@hadoop-master opt]$ sudo mkdir datas modules softwares tools [qianxin@hadoop-master opt]$ ls -l drwxr-xr-x 2 root root 4096 Sep 12 10:34 datas drwxr-xr-x 4 root root 4096 Sep 12 10:45 modules drwxr-xr-x 2 root root 4096 Sep 12 10:38 softwares drwxr-xr-x 2 root root 4096 Sep 12 10:37 tools
2. ÐÞ¸ÄĿ¼¹éÊôÕß
[qianxin@hadoop-master opt]$ sudo chown -R qianxin:qianxin /opt/* [qianxin@hadoop-master opt]$ ls -l
3. ʹÓÃFileZillaÉÏ´«ÎļþÖÁÏàÓ¦µÄĿ¼ÖÐ
1. °²×°JDK
ʹÓÃÆÕͨÓû§½«/opt/softwaresĿ¼ÏµÄjdk-7u67-linux-x64.tar.gz½âѹÖÁ/opt/modulesĿ¼ÖС£
[qianxin@hadoop-master softwares]$ tar -zxvf jdk-7u67-linux-x64.tar.gz -C /opt/modules
2. ÅäÖû·¾³±äÁ¿
[qianxin@hadoop-master softwares]$ sudo vim /etc/profile
ÔÚÎļþĩβÌí¼ÓJAVA_HOME¡¢JRE_HOMEºÍPATHµÄ»·¾³±äÁ¿Öµ£¬¾ßÌåÖµÈçÏÂËùʾ¡£
export JAVA_HOME=/opt/modules/jdk1.7.0_67 export JRE_HOME=$JAVA_HOME/jre export PATH=$PATH:$JAVA_HOME/bin:JRE_HOME/bin
ÅäÖÃÍê³Éºó±£´æ¹Ø±Õ£¬Ö´ÐÐÒÔÏÂÃüÁîʹÅäÖÃÉúЧ£¬¼ì²âJDKÊÇ·ñ°²×°³É¹¦¡£
[qianxin@hadoop-master softwares]$ sudo source /etc/profile [qianxin@hadoop-master softwares]$ java -version java version "1.7.0_67" Java(TM) SE Runtime Environment (build 1.7.0_67-b01) Java HotSpot(TM) 64-Bit Server VM (build 24.65-b04, mixed mode)
3. ½âѹHadoop2.5.0Îļþ£¬×î´ó»¯¿ÉÓÿռä
[qianxin@hadoop-master softwares]$ tar -zxvf hadoop-2.5.0.tar.gz -C /opt/modules [qianxin@hadoop-master softwares]$ df -lh Filesystem Size Used Avail Use% Mounted on /dev/sda1 60G 5.9G 51G 11% / tmpfs 1.9G 372K 1.9G 1% /dev/shm /dev/sda3 12G 160M 12G 2% /home [qianxin@hadoop-master softwares]$ rm -rf /opt/modules/hadoop-2.5.0/share/docs [qianxin@hadoop-master softwares]$ df -lh Filesystem Size Used Avail Use% Mounted on /dev/sda1 60G 4.4G 52G 8% / tmpfs 1.9G 372K 1.9G 1% /dev/shm /dev/sda3 12G 160M 12G 2% /home
1. ʹÓÃNotepad++ÅäÖÃhadoop-env.shÖеÄJAVA_HOME
·¾¶£º/opt/modules/hadoop-2.5.0/etc/hadoop/hadoop-env.sh
2. ʹÓÃNotepad++ÅäÖÃhdfsÏà¹ØµÄxmlÊôÐÔ
1)core-site.xmlÎļþÅäÖÃ
<£¡-- 1. core-site.xmlÎļþÅäÖà --> <£¡-- ·¾¶£º/opt/modules/hadoop-2.5.0/etc/hadoop/core-site.xml --> <£¡-- ÅäÖÃÄÚÈÝÈçÏ --> <£¡-- ˵Ã÷£ºÅäÖÃÖ÷½ÚµãNameNodeλÖü°½»»¥¶Ë¿Ú --><£¡-- ˵Ã÷£ºÖ¸¶¨hadoopÔËÐÐʱ²úÉúÎļþµÄ´æ´¢Ä¿Â¼ --> fs.defaultFS hdfs://hadoop-master.qianxin.com:8020 hadoop.tmp.dir /opt/modules/hadoop-2.5.0/data/tmp
2)slavesÎļþÅäÖÃ
<£¡-- 2. slavesÎļþÅäÖà --> <£¡-- ·¾¶£º/opt/modules/hadoop-2.5.0/etc/hadoop/slaves --> <£¡-- ˵Ã÷£ºÅäÖôӽڵãDataNodeλÖà --> <£¡-- ÅäÖÃÄÚÈÝÈçÏ --> hadoop-master.qianxin.com
3)hdfs-site.xmlÎļþÅäÖÃ
<£¡-- 3. hdfs-site.xmlÎļþÅäÖà --> <£¡-- ·¾¶£º/opt/modules/hadoop-2.5.0/etc/hadoop/hdfs-site.xml --> <£¡-- ÅäÖÃÄÚÈÝÈçÏ --> <£¡-- ˵Ã÷£ºÅäÖÃhdfsϵͳÖÐÎļþ¿ìµÄÊý¾Ý¸±±¾¸öÊý --><£¡-- ˵Ã÷£ºÅäÖÃSecondaryNameNodeλÖà --> dfs.replication 1 dfs.namenode.secondary.http-address hadoop-master.qianxin.com:50090
3. ¸ñʽ»¯HDFSϵͳ¡¢Æô¶¯HDFSϵͳ¼°²âÊÔ¶ÁдÎļþ
1)¸ñʽ»¯HDFSÎļþϵͳ
[qianxin@hadoop-master hadoop-2.5.0]$ bin/hdfs namenode -format
³öÏÖÒÔÏÂÐÅÏ¢¼´Îª¸ñʽ»¯HDFSÎļþϵͳ³É¹¦£º
2)Æô¶¯HDFSÎļþϵͳ¼°²âÊÔ
[qianxin@hadoop-master hadoop-2.5.0]$ sbin/hadoop-daemon.sh start namenode [qianxin@hadoop-master hadoop-2.5.0]$ sbin/hadoop-daemon.sh start secondarynamenode [qianxin@hadoop-master hadoop-2.5.0]$ sbin/hadoop-daemon.sh start datanode [qianxin@hadoop-master hadoop-2.5.0]$ jps 4161 NameNode 4240 SecondaryNameNode 4382 Jps 4304 DataNode
HDFS¹ÜÀí½çÃæ£ºhttp://hadoop-master.qianxin.com:50070/
²âÊÔ1£ºÔÚhdfsÉÏ´´½¨Îļþ¼Ð
[qianxin@hadoop-master hadoop-2.5.0]$ bin/hdfs dfs -mkdir -p /user/qianxin [qianxin@hadoop-master hadoop-2.5.0]$ bin/hdfs dfs -ls -p /
²âÊÔ2£ºÉÏ´«ÎļþÖÁhdfs
[qianxin@hadoop-master hadoop-2.5.0]$ bin/hdfs dfs -put ./etc/hadoop/core-site.xml /user/qianxin [qianxin@hadoop-master hadoop-2.5.0]$ bin/hdfs dfs -ls -p /
ʹÓÃHDFS¹ÜÀí½çÃæ²é¿´ÉÏ´«µÄÎļþ£º
²âÊÔ3£º´ÓhdfsÉ϶ÁÈ¡Îļþ
[qianxin@hadoop-master hadoop-2.5.0]$ bin/hdfs dfs -cat /user/qianxin/core-site.xml
²âÊÔ4£º´ÓhdfsÉÏÏÂÔØÎļþ
[qianxin@hadoop-master hadoop-2.5.0]$ bin/hdfs dfs -get /user/qianxin/core-site.xml /home/qianxin/qx-core-site.xml
1. ʹÓÃNotepad++ÅäÖÃyarn-env.shºÍmapred-env.shÖеÄJAVA_HOME
·¾¶£º yarn-env.sh : /opt/modules/hadoop-2.5.0/etc/hadoop/yarn-env.sh mapred-env.sh : /opt/modules/hadoop-2.5.0/etc/hadoop/mapred-env.sh
2. ʹÓÃNotepad++ÅäÖÃyarnÏà¹ØµÄxmlÊôÐÔ£¬²¢Æô¶¯YARN
1)yarn-site.xmlÎļþÅäÖÃ
<£¡-- yarn-site.xmlÎļþÅäÖà --> <£¡-- ·¾¶£º/opt/modules/hadoop-2.5.0/etc/hadoop/yarn-site.xml --> <£¡-- ÅäÖÃÄÚÈÝÈçÏ --> <£¡-- ˵Ã÷£ºÅäÖÃreduce»ñÈ¡Êý¾ÝµÄ·½Ê½ --><£¡-- ˵Ã÷£ºÖ¸¶¨ResourceManager --> yarn.nodemanager.aux-services mapreduce_shuffle yarn.resourcemanager.hostname hadoop-master.qianxin.com
2)Æô¶¯YARN
[qianxin@hadoop-master hadoop-2.5.0]$ sbin/yarn-daemon.sh start resourcemanager [qianxin@hadoop-master hadoop-2.5.0]$ sbin/yarn-daemon.sh start nodemanager [qianxin@hadoop-master hadoop-2.5.0]$ jps 4161 NameNode 4240 SecondaryNameNode 5908 NodeManager 6003 Jps 4304 DataNode 5666 ResourceManager
YARN¹ÜÀí½çÃæ£ºhttp://c:8088/
3. ʹÓÃNotepad++ÅäÖÃmapredÏà¹ØµÄxmlÊôÐÔ£¬²¢Æô¶¯JobHistoryServer·þÎñ
1)mapred-site.xmlÎļþÅäÖÃ
<£¡-- mapred-site.xmlÎļþÅäÖà --> <£¡-- ·¾¶£º/opt/modules/hadoop-2.5.0/etc/hadoop/mapred-site.xml --> <£¡-- ÅäÖÃÄÚÈÝÈçÏ --> <£¡-- ˵Ã÷£ºÖ¸¶¨MapReduceÔËÐÐÔÚYARNÉÏ --><£¡-- ˵Ã÷£ºÅäÖÃJobHistoryServer --> mapreduce.framework.name yarn mapreduce.jobhistory.address hadoop-master.qianxin.com:10020 mapreduce.jobhistory.webapp.address hadoop-master.qianxin.com:19888
2)Æô¶¯JobHistoryServer
[qianxin@hadoop-master hadoop-2.5.0]$ sbin/mr-jobhistory-daemon.sh start historyserver [qianxin@hadoop-master hadoop-2.5.0]$ jps 4161 NameNode 6628 JobHistoryServer 4240 SecondaryNameNode 6375 NodeManager 4304 DataNode 6127 ResourceManager 6666 Jps
4. ÔËÐÐMapReduce WordCount³ÌÐò
1)ÔÚ/opt/datasĿ¼Ï´´½¨Ò»¸öwordcount_inputĿ¼£¬²¢´´½¨Ò»¸ö×Ô¶¨ÒåÎļþ
[qianxin@hadoop-master hadoop-2.5.0]$ mkdir /opt/datas/wordcount_input [qianxin@hadoop-master hadoop-2.5.0]$ touch /opt/datas/wordcount_input/wc_input.txt [qianxin@hadoop-master hadoop-2.5.0]$ vim /opt/datas/wordcount_input/wc_input.txt
2)ÔÚhdfsÉÏ´´½¨Ð·¾¶
[qianxin@hadoop-master hadoop-2.5.0]$ bin/hdfs dfs -mkdir -p /user/qianxin/mapreduce/wordcount/input
3)ÉÏ´«×Ô¶¨ÒåµÄwc_input.txtÎļþÖÁhdfsÉϵÄinputĿ¼
[qianxin@hadoop-master hadoop-2.5.0]$ bin/hdfs dfs -put /opt/datas/wordcount_input/wc_input.txt /user/qianxin/mapreduce/wordcount/input [qianxin@hadoop-master hadoop-2.5.0]$ bin/hdfs dfs -ls /user/qianxin/mapreduce/wordcount/input/*
4)ÔËÐÐWordCount³ÌÐò
[qianxin@hadoop-master hadoop-2.5.0]$ bin/yarn jar share/hadoop/mapreduce/hadoop-mapreduce-examples-2.5.0.jar wordcount /user/qianxin/mapreduce/wordcount/input /user/qianxin/mapreduce/wordcount/output
½çÃæ¼à¿ØMapReduce WordCount³ÌÐòµÄÔËÐУº
MapReduce WordCount³ÌÐò½áÊøºóÏÔʾµÄÔËÐÐÏêÇ飺
5)³ÌÐòÔËÐнá¹û
³ÌÐòÔËÐнáÊøºó»áÔÚ/user/qianxin/mapreduce/wordcount/Ŀ¼ÏÂÉú³ÉÒ»¸öoutputĿ¼¡£
ÏÔʾ³ÌÐòÔËÐеĽá¹û£º
[qianxin@hadoop-master hadoop-2.5.0]$ bin/yarn jar share/hadoop/mapreduce/hadoop-mapreduce-examples-2.5.0.jar wordcount /user/qianxin/mapreduce/wordcount/input /user/qianxin/mapreduce/wordcount/output