{"id":877,"date":"2021-05-30T02:03:30","date_gmt":"2021-05-29T18:03:30","guid":{"rendered":"http:\/\/www.eait.co\/?p=877"},"modified":"2022-02-26T17:34:35","modified_gmt":"2022-02-26T09:34:35","slug":"hadoop%e5%88%86%e5%b8%83%e5%bc%8f%e6%90%ad%e5%bb%ba%e8%bf%87%e7%a8%8b","status":"publish","type":"post","link":"https:\/\/notes.coremix.net\/?p=877","title":{"rendered":"Hadoop\u5206\u5e03\u5f0f\u642d\u5efa\u8fc7\u7a0b"},"content":{"rendered":"

HDFS\u67b6\u6784\uff1a<\/strong><\/p>\n

\"\"
\n<\/span><\/p>\n

\u77e5\u8bc6\u70b9:
\n<\/strong><\/span><\/p>\n

1.X \u548c2.X\u533a\u522b:
\n<\/strong><\/span><\/p>\n

\u5355\u70b9\u6545\u969c\uff1a
\n<\/strong><\/span><\/p>\n

\uff11.\uff38\u4e3b\u673a\u6302\u6389\u5c31\u5b8c\u4e86,2.X\u4e3b\u673a\u6302\u6389\u4f1a\u81ea\u52a8\u4ecedatanode\u4e2d\u9009\u51faNamenode\uff08\u70ed\u5907\uff09secondarynamenode\uff08\u51b7\u5907\uff09
\n<\/span><\/p>\n

yarn\u67b6\u6784\uff1a
\n<\/strong><\/span><\/p>\n

\u540e\u6765\u62c6\u5206\u4e3aMapReduce\uff08\u8ba1\u7b97\uff09\u548cyarn\u4e24\u4e2a\u90e8\u5206\u3002
\n<\/span><\/p>\n

Yarn\u67b6\u6784\uff1a
\n<\/strong><\/span><\/p>\n

\"\"
\n\"\"
\n<\/span><\/p>\n

\u77e5\u8bc6\u70b9\uff1a
\n<\/strong><\/span><\/p>\n

1.\u53ea\u6709\u70ed\u5907\u6ca1\u6709\u51b7\u5907
\n<\/strong><\/span><\/p>\n

\u914d\u7f6e\u6d41\u7a0b\uff1a
\n<\/strong><\/span><\/p>\n

1.\u89e3\u538b\u6587\u4ef6:
\n<\/strong><\/span><\/p>\n

\"\"
\n<\/span><\/p>\n

2.\u751f\u6210\u5bc6\u94a5
\n<\/strong><\/span><\/p>\n

\"\"
\n<\/span><\/p>\n

3.\u5c06\u5bc6\u94a5\u62f7\u8d1d\u4e00\u4efd
\n<\/strong><\/span><\/p>\n

\"\"
\n<\/span><\/p>\n

4.\u5230Hadoop\/etc\/hadoop\u6587\u4ef6\u5939\u4e0b\u5f00\u59cb\u914d\u7f6e\uff1a
\n<\/strong><\/span><\/p>\n

\"\"
\n<\/strong><\/span><\/p>\n

\u914d\u7f6ecore-site.xml,\u6ce8\u610f\u5730\u5740\u548c\u76ee\u5f55\uff0c
\n<\/strong><\/span><\/p>\n

\u6b64\u5904\u9700\u8981\u521b\u5efa\u4e24\u4e2a\u76ee\u5f55 data \u548clog\uff0c\u7c98\u8d34\u5230configurtion\u6807\u7b7e\u4e2d
\n<\/span><\/p>\n

\"\"
\n<\/strong><\/span><\/p>\n

\r\n<!-- \u6307\u5b9aHDFS\u4e2dNameNode\u7684\u5730\u5740 -->\r\n<property>\r\n    <name>fs.defaultFS<\/name>\r\n    <value>hdfs:\/\/bigdata166:9000<\/value>\r\n<\/property>\r\n<!-- \u6307\u5b9ahadoop\u8fd0\u884c\u65f6\u4ea7\u751f\u6587\u4ef6\u7684\u5b58\u50a8\u76ee\u5f55 -->\r\n<!-- <property>\r\n    <name>hadoop.tmp.dir<\/name>\r\n    <value>\/opt\/module\/hadoop-2.8.4\/data\/tmp<\/value>\r\n<\/property> -->\r\n<!-- \u5b9e\u9645\u914d\u7f6e\u4e2d\u4f7f\u7528\u4e86\u4e0b\u9762\u7684\u5730\u5740\uff1a-->\r\n<property>\r\n<name>hadoop.tmp.dir<\/name>\r\n<value>\/opt\/module\/hadoop-2.8.4\/tmp\/data\/tmp<\/value>\r\n<\/property>\r\n<\/configuration>\r\n<\/pre>\n
\u914d\u7f6ehdfs-site.xml\u6587\u4ef6,\u6ce8\u610f\u4fee\u6539\u5197\u4f59\u6570\u548c\u5730\u5740
\n<\/strong><\/span><\/p>\n
\r\n<!--\u6570\u636e\u5197\u4f59\u6570-->\r\n<property>\r\n    <name>dfs.replication<\/name>\r\n    <value>2<\/value>\r\n<\/property>\r\n\r\n<!--secondary\u7684\u5730\u5740-->\r\n<property>\r\n   <name>dfs.namenode.secondary.http-address<\/name>\r\n   <value>bigdata166:50090<\/value>\r\n\r\n<\/property>\r\n\r\n<!--\u5173\u95ed\u6743\u9650-->\r\n<property>\r\n   <name>dfs.permissions<\/name>\r\n   <value>false<\/value>\r\n\r\n<\/property>\r\n<\/pre>\n
\u8bbe\u7f6eyarn-site.xml
\n<\/strong><\/span><\/p>\n
\r\n<!-- reducer\u83b7\u53d6\u6570\u636e\u7684\u65b9\u5f0f -->\r\n\r\n<property>\r\n   <name>yarn.nodemanager.aux-services<\/name>\r\n   <value>mapreduce_shuffle<\/value>\r\n\r\n<\/property>\r\n\r\n<!-- \u6307\u5b9aYARN\u7684ResourceManager\u7684\u5730\u5740 -->\r\n\r\n<property>\r\n   <name>yarn.resourcemanager.hostname<\/name>\r\n   <value>bigdata166<\/value>\r\n\r\n<\/property>\r\n\r\n<!-- \u65e5\u5fd7\u805a\u96c6\u529f\u80fd\u4f7f\u80fd -->\r\n\r\n<property>\r\n   <name>yarn.log-aggregation-enable<\/name>\r\n   <value>true<\/value>\r\n\r\n<\/property>\r\n\r\n<!-- \u65e5\u5fd7\u4fdd\u7559\u65f6\u95f4\u8bbe\u7f6e7\u5929(\u79d2) -->\r\n\r\n<property>\r\n   <name>yarn.log-aggregation.retain-seconds<\/name>\r\n   <value>604800<\/value>\r\n\r\n<\/property>\r\n<\/pre>\n
\u914d\u7f6emapred-site.xml\u7684\u76f8\u5173\u914d\u7f6e
\n<\/strong><\/span><\/p>\n
\r\n<!-- \u6307\u5b9amr\u8fd0\u884c\u5728yarn\u4e0a-->\r\n\r\n<property>\r\n   <name>mapreduce.framework.name<\/name>\r\n   <value>yarn<\/value>\r\n\r\n<\/property>\r\n\r\n<!--\u5386\u53f2\u670d\u52a1\u5668\u7684\u5730\u5740-->\r\n\r\n<property>\r\n   <name>mapreduce.jobhistory.address<\/name>\r\n   <value>bigdata166:10020<\/value>\r\n\r\n<\/property>\r\n\r\n<!--\u5386\u53f2\u670d\u52a1\u5668\u9875\u9762\u7684\u5730\u5740-->\r\n\r\n<property>\r\n   <name>mapreduce.jobhistory.webapp.address<\/name>\r\n   <value>bigdata166:19888<\/value>\r\n\r\n<\/property>\r\n<\/pre>\n
\u914d\u7f6e\u4e09\u4e2a\u6587\u4ef6\u7684\u672c\u5730JAVA_HOME\u8def\u5f84\uff1ahadoop-env.sh yarn-env.sh mapred-env.sh<\/strong><\/span><\/p>\n
yarnenv\u548cmapred\u9700\u8981\u6e05\u9664\u6ce8\u91ca\uff0c\u53ea\u9700\u914d\u7f6ehadoop\uff0c\u5176\u5b83\u4e24\u4e2a\u7684\u53ef\u4ee5\u4e0d\u5199\uff0c\u5199\u4e0a\u6700\u597d<\/strong>
\n\"\"
\n\"\"
\n<\/strong><\/span><\/p>\n
\"\"<\/p>\n
# \u4e09\u4e2a\u6587\u4ef6\u5747\u53ef\u5728\u6700\u540e\u4e00\u884c\u52a0\u5165\u6b64\u884c\uff081804\u7528\u6b64\u8bed\u53e5\uff09 export JAVA_HOME=\/opt\/module\/jdk1.8.0_144<\/span>
\n<\/span><\/p>\n
Slaves\u5185\u90e8\u6539\u6210bigdata166\u00a0 (\u672c\u5730\u5355\u673a\u6a21\u5f0f\u53ea\u9700\u8981\u914d\u7f6e\u4e00\u53f0)
\n<\/span><\/p>\n
\"\"
\n<\/span><\/p>\n
\u914d\u7f6e\u73af\u5883\u53d8\u91cf\uff1a
\n<\/span><\/p>\n
\"\"
\n<\/span><\/p>\n
export HADOOP_HOME=\/opt\/module\/hadoop-2.8.4
\n<\/span><\/p>\n
export PATH=$PATH:$HADOOP_HOME\/bin:$HADOOP_HOME\/sbin
\n<\/span><\/p>\n
\u6700\u540e\u6267\u884c source \/etc\/profile
\n<\/span><\/p>\n
\u683c\u5f0f\u5316\u5e76\u751f\u6210\u76ee\u5f55\uff1a<\/strong><\/span><\/p>\n
.\/hdfs namenode -format<\/p>\n
\"\"
\n<\/span><\/p>\n
\"\"
\n<\/span><\/p>\n
\u683c\u5f0f\u5316\u539f\u56e0\uff1a<\/strong><\/p>\n
NameNode\u4e3b\u8981\u88ab\u7528\u6765\u7ba1\u7406\u6574\u4e2a\u5206\u5e03\u5f0f\u6587\u4ef6\u7cfb\u7edf\u7684\u547d\u540d\u7a7a\u95f4(\u5b9e\u9645\u4e0a\u5c31\u662f\u76ee\u5f55\u548c\u6587\u4ef6)\u7684\u5143\u6570\u636e\u4fe1\u606f\uff0c\u540c\u65f6\u4e3a\u4e86\u4fdd\u8bc1\u6570\u636e\u7684\u53ef\u9760\u6027\uff0c\u8fd8\u52a0\u5165\u4e86\u64cd\u4f5c\u65e5\u5fd7\uff0c\u6240\u4ee5\uff0cNameNode\u4f1a\u6301\u4e45\u5316\u8fd9\u4e9b\u6570\u636e(\u4fdd\u5b58\u5230\u672c\u5730\u7684\u6587\u4ef6\u7cfb\u7edf\u4e2d)\u3002\u5bf9\u4e8e\u7b2c\u4e00\u6b21\u4f7f\u7528HDFS\uff0c\u5728\u542f\u52a8NameNode\u65f6\uff0c\u9700\u8981\u5148\u6267\u884c-format\u547d\u4ee4\uff0c\u7136\u540e\u624d\u80fd\u6b63\u5e38\u542f\u52a8NameNode\u8282\u70b9\u7684\u670d\u52a1\u3002<\/p>\n
\u683c\u5f0f\u5316\u7ec6\u8282\u95ee\u9898\uff1a<\/strong><\/p>\n
\u5728NameNode\u8282\u70b9\u4e0a\uff0c\u6709\u4e24\u4e2a\u6700\u91cd\u8981\u7684\u8def\u5f84\uff0c\u5206\u522b\u88ab\u7528\u6765\u5b58\u50a8\u5143\u6570\u636e\u4fe1\u606f\u548c\u64cd\u4f5c\u65e5\u5fd7\uff0c\u800c\u8fd9\u4e24\u4e2a\u8def\u5f84\u6765\u81ea\u4e8e\u914d\u7f6e\u6587\u4ef6\uff0c\u5b83\u4eec\u5bf9\u5e94\u7684\u5c5e\u6027\u5206\u522b\u662fdfs.name.dir\u548cdfs.name.edits.dir\uff0c\u540c\u65f6\uff0c\u5b83\u4eec\u9ed8\u8ba4\u7684\u8def\u5f84\u5747\u662f\/tmp\/hadoop\/dfs\/name\u3002\u683c\u5f0f\u5316\u65f6\uff0cNameNode\u4f1a\u6e05\u7a7a\u4e24\u4e2a\u76ee\u5f55\u4e0b\u7684\u6240\u6709\u6587\u4ef6\uff0c\u4e4b\u540e\uff0c\u4f1a\u5728\u76ee\u5f55dfs.name.dir\u4e0b\u521b\u5efa\u6587\u4ef6<\/p>\n
hadoop.tmp.dir<\/strong> \u8fd9\u4e2a\u914d\u7f6e\uff0c\u4f1a\u8ba9dfs.name.dir\u548cdfs.name.edits.dir\u4f1a\u8ba9\u4e24\u4e2a\u76ee\u5f55\u7684\u6587\u4ef6\u751f\u6210\u5728\u4e00\u4e2a\u76ee\u5f55\u91cc<\/p>\n
\u542f\u52a8\u6240\u6709\u670d\u52a1\uff1a
\n<\/strong><\/span><\/p>\n
\"\"
\n\"\"
\n<\/span><\/p>\n
\u642d\u5efa\u6210\u529f\uff0c\u53ef\u4f7f\u7528\u6d4f\u89c8\u5668\u8bbf\u95ee\uff1a
\n<\/strong><\/span><\/p>\n
\"\"
\n<\/span><\/p>\n
\u5173\u95ed sbin\/stop-all.sh \u7136\u540e\u62cd\u6444\u5feb\u7167
\n<\/strong><\/span><\/p>\n
\u5176\u5b83\u547d\u4ee4\uff1a<\/p>\n
<\/p>\n
 <\/p>\n
 <\/p>\n
 <\/p>\n
 <\/p>\n
 <\/p>\n
 <\/p>\n
\u5b8c\u5168\u5206\u5e03\u5f0f\u642d\u5efa
\n<\/strong><\/span><\/p>\n
\u4fee\u6539\u7f51\u5361\u5730\u5740\u5e76\u91cd\u542f\u7f51\u5361\uff1a
\n<\/strong><\/span><\/p>\n
\"\"
\n\"\"
\n<\/span><\/p>\n
\u91cd\u542f\u7f51\u5361 service newtork restart
\n\"\"
\n<\/span><\/p>\n
\u8bbe\u7f6e\u4e3b\u673a\u540d\uff1a hostnamectl set-hostname bigdata167
\n<\/strong><\/span><\/p>\n
\u914d\u7f6ehosts vi \/etc\/hosts \u6dfb\u52a0\u914d\u7f6e\u5730\u5740 \u7136\u540ereboot
\n<\/strong><\/span><\/p>\n
\u91cd\u65b0\u751f\u6210\u94a5\u5319\uff1a
\n<\/strong><\/span><\/p>\n
\"\"
\n<\/span><\/p>\n
\u62f7\u8d1d\u94a5\u5319 ssh-copy-id bigdata166 (\u56e0\u4e3a\u914d\u7f6e\u4e86IP\u6240\u4ee5\u53ef\u4ee5\u8f93\u5165\u5bc6\u7801\u62f7\u8d1d\uff09 \u6d4b\u8bd5\u6210\u529f
\n<\/strong><\/span><\/p>\n
\"\"
\n<\/span><\/p>\n
\u914d\u7f6ehadoop\u76f8\u5173\u914d\u7f6e
\n<\/strong><\/span><\/p>\n
\u4fee\u6539secondarynamenode\u7684\u5730\u5740\u4e3a167 hdfs-site.xml\u6587\u4ef6
\n<\/strong><\/span><\/p>\n
\"\"
\n<\/span><\/p>\n
\u540c\u7ea7\u76ee\u5f55\u4e0b\u4fee\u6539slaves\u6587\u4ef6
\n<\/strong><\/span><\/p>\n
\"\"
\n\"\"
\n<\/span><\/p>\n
\u91cd\u65b0\u683c\u5f0f\u5316\uff08\u5220\u9664\u539f\u6570\u636e\uff09
\n<\/strong><\/span><\/p>\n
\u53ef\u4ee5\u67e5\u770b\u5230\u4ee5\u4e0b\u5143\u6570\u636e
\n<\/strong><\/span><\/p>\n
\"\"
\n<\/span><\/p>\n
\u5220\u9664data\u76ee\u5f55
\n<\/strong><\/span><\/p>\n
\"\"
\n<\/span><\/p>\n
\u5220\u9664logs\u76ee\u5f55
\n<\/strong><\/span><\/p>\n
\"\"
\n<\/span><\/p>\n
\u4ea4\u7ed9\u4e3b\u8282\u70b9\u5b8c\u6210\u547d\u4ee4 \u91cd\u65b0\u683c\u5f0f\u5316\uff08\u53ea\u5728\u4e3b\u8282\u70b9\uff09 \u6b64\u6b21\u5c06\u89d2\u8272\u5206\u914d\u5230\u6bcf\u4e00\u4e2a\u8282\u70b9\u5f53\u4e2d
\n<\/strong><\/span><\/p>\n
\"\"
\n<\/span><\/p>\n
\u542f\u52a8hdfs
\n<\/strong><\/span><\/p>\n
\"\"
\n<\/span><\/p>\n
\u67e5\u770b\u914d\u7f6e\u5b8c\u6210
\n<\/strong><\/span><\/p>\n
\"\"
\n\"\"
\n<\/span><\/p>\n
\u542f\u52a8yarn
\n<\/strong><\/span><\/p>\n
\"\"
\n<\/span><\/p>\n
\"\"
\n<\/span><\/p>\n
yarn\u7ed3\u6784\uff1a
\n<\/strong><\/span><\/p>\n
\"\"
\n<\/span><\/p>\n
\u914d\u7f6e\u73af\u5883\u53d8\u91cf:\/opt\/module\/hadoop-2.8.4
\n<\/strong><\/span><\/p>\n
\"\"
\n\"\"
\n\"\"
\n<\/span><\/p>\n
\u505c\u6b62 stop-all.sh
\n<\/strong><\/span><\/p>\n
\"\"
\n<\/span><\/p>\n
\u5176\u5b83
\n<\/strong><\/span><\/p>\n
\u5355\u72ec\u542f\u505c
\n<\/strong><\/span><\/p>\n
\"\"
\n<\/span><\/p>\n
\"\"<\/p>\n","protected":false},"excerpt":{"rendered":"
HDFS\u67b6\u6784\uff1a \u77e5\u8bc6\u70b9: 1.X \u548c2.X\u533a\u522b: \u5355\u70b9\u6545\u969c\uff1a \uff11.\uff38\u4e3b\u673a\u6302\u6389\u5c31\u5b8c\u4e86,2.X\u4e3b\u673a\u6302\u6389\u4f1a\u81ea\u52a8\u4eceda […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,30],"tags":[],"class_list":["post-877","post","type-post","status-publish","format-standard","hentry","category-java","category-bigdata"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/notes.coremix.net\/index.php?rest_route=\/wp\/v2\/posts\/877","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/notes.coremix.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/notes.coremix.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/notes.coremix.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/notes.coremix.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=877"}],"version-history":[{"count":8,"href":"https:\/\/notes.coremix.net\/index.php?rest_route=\/wp\/v2\/posts\/877\/revisions"}],"predecessor-version":[{"id":1265,"href":"https:\/\/notes.coremix.net\/index.php?rest_route=\/wp\/v2\/posts\/877\/revisions\/1265"}],"wp:attachment":[{"href":"https:\/\/notes.coremix.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=877"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/notes.coremix.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=877"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/notes.coremix.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=877"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}