{"id":954,"date":"2021-03-11T11:48:26","date_gmt":"2021-03-11T03:48:26","guid":{"rendered":"https:\/\/www.linuxdevops.cn\/?p=954"},"modified":"2021-03-16T11:45:16","modified_gmt":"2021-03-16T03:45:16","slug":"hadoop-cluster-settings","status":"publish","type":"post","link":"https:\/\/www.linuxdevops.cn\/2021\/03\/hadoop-cluster-settings\/","title":{"rendered":"Hadoop\u96c6\u7fa4\u8bbe\u7f6e"},"content":{"rendered":"<h1>Hadoop\u96c6\u7fa4\u8bbe\u7f6e<\/h1>\n<ul>\n<li><a href=\"https:\/\/hadoop.apache.org\/docs\/stable\/hadoop-project-dist\/hadoop-common\/ClusterSetup.html#Purpose\">\u76ee\u7684<\/a><\/li>\n<li><a href=\"https:\/\/hadoop.apache.org\/docs\/stable\/hadoop-project-dist\/hadoop-common\/ClusterSetup.html#Prerequisites\">\u5148\u51b3\u6761\u4ef6<\/a><\/li>\n<li><a href=\"https:\/\/hadoop.apache.org\/docs\/stable\/hadoop-project-dist\/hadoop-common\/ClusterSetup.html#Installation\">\u5b89\u88c5<\/a><\/li>\n<li>\u5728\u975e\u5b89\u5168\u6a21\u5f0f\u4e0b\u914d\u7f6eHadoop\n<ul>\n<li><a href=\"https:\/\/hadoop.apache.org\/docs\/stable\/hadoop-project-dist\/hadoop-common\/ClusterSetup.html#Configuring_Environment_of_Hadoop_Daemons\">Hadoop\u5b88\u62a4\u7a0b\u5e8f\u7684\u914d\u7f6e\u73af\u5883<\/a><\/li>\n<li><a href=\"https:\/\/hadoop.apache.org\/docs\/stable\/hadoop-project-dist\/hadoop-common\/ClusterSetup.html#Configuring_the_Hadoop_Daemons\">\u914d\u7f6eHadoop\u5b88\u62a4\u7a0b\u5e8f<\/a><\/li>\n<\/ul>\n<\/li>\n<li><a href=\"https:\/\/hadoop.apache.org\/docs\/stable\/hadoop-project-dist\/hadoop-common\/ClusterSetup.html#Monitoring_Health_of_NodeManagers\">\u76d1\u89c6NodeManager\u7684\u8fd0\u884c\u72b6\u51b5<\/a><\/li>\n<li><a href=\"https:\/\/hadoop.apache.org\/docs\/stable\/hadoop-project-dist\/hadoop-common\/ClusterSetup.html#Slaves_File\">Slaves File<\/a><\/li>\n<li><a href=\"https:\/\/hadoop.apache.org\/docs\/stable\/hadoop-project-dist\/hadoop-common\/ClusterSetup.html#Hadoop_Rack_Awareness\">Hadoop\u673a\u67b6\u610f\u8bc6<\/a><\/li>\n<li><a href=\"https:\/\/hadoop.apache.org\/docs\/stable\/hadoop-project-dist\/hadoop-common\/ClusterSetup.html#Logging\">\u8bb0\u5f55\u4e2d<\/a><\/li>\n<li>\u64cd\u4f5cHadoop\u96c6\u7fa4\n<ul>\n<li><a href=\"https:\/\/hadoop.apache.org\/docs\/stable\/hadoop-project-dist\/hadoop-common\/ClusterSetup.html#Hadoop_Startup\">Hadoop\u542f\u52a8<\/a><\/li>\n<li><a href=\"https:\/\/hadoop.apache.org\/docs\/stable\/hadoop-project-dist\/hadoop-common\/ClusterSetup.html#Hadoop_Shutdown\">Hadoop\u5173\u95ed<\/a><\/li>\n<\/ul>\n<\/li>\n<li><a href=\"https:\/\/hadoop.apache.org\/docs\/stable\/hadoop-project-dist\/hadoop-common\/ClusterSetup.html#Web_Interfaces\">Web\u754c\u9762<\/a><\/li>\n<\/ul>\n<h2>\u76ee\u7684<\/h2>\n<p>\u672c\u6587\u6863\u4ecb\u7ecd\u4e86\u5982\u4f55\u5b89\u88c5\u548c\u914d\u7f6eHadoop\u96c6\u7fa4\uff0c\u8303\u56f4\u4ece\u51e0\u4e2a\u8282\u70b9\u5230\u5177\u6709\u6570\u5343\u4e2a\u8282\u70b9\u7684\u8d85\u5927\u578b\u96c6\u7fa4\u3002\u8981\u4f7f\u7528Hadoop\uff0c\u60a8\u53ef\u80fd\u9996\u5148\u9700\u8981\u5c06\u5176\u5b89\u88c5\u5728\u5355\u53f0\u673a\u5668\u4e0a\uff08\u8bf7\u53c2\u9605<a href=\"https:\/\/hadoop.apache.org\/docs\/stable\/hadoop-project-dist\/hadoop-common\/SingleCluster.html\">\u5355\u8282\u70b9\u8bbe\u7f6e<\/a>\uff09\u3002<\/p>\n<p>\u672c\u6587\u6863\u4e0d\u6d89\u53ca<a href=\"https:\/\/hadoop.apache.org\/docs\/stable\/hadoop-project-dist\/hadoop-common\/SecureMode.html\">\u5b89\u5168<\/a>\u6216\u9ad8\u53ef\u7528\u6027\u7b49\u9ad8\u7ea7\u4e3b\u9898\u3002<\/p>\n<h2>\u5148\u51b3\u6761\u4ef6<\/h2>\n<ul>\n<li>\u5b89\u88c5Java\u3002\u6709\u5173\u5df2\u77e5\u7684\u826f\u597d\u7248\u672c\uff0c\u8bf7\u53c2\u89c1<a href=\"https:\/\/cwiki.apache.org\/confluence\/display\/HADOOP\/Hadoop+Java+Versions\">Hadoop Wiki<\/a>\u3002<\/li>\n<li>\u4eceApache\u955c\u50cf\u4e0b\u8f7d\u7a33\u5b9a\u7684Hadoop\u7248\u672c\u3002<\/li>\n<\/ul>\n<h2>\u5b89\u88c5<\/h2>\n<p>\u5b89\u88c5Hadoop\u7fa4\u96c6\u901a\u5e38\u6d89\u53ca\u5728\u7fa4\u96c6\u4e2d\u7684\u6240\u6709\u8ba1\u7b97\u673a\u4e0a\u89e3\u538b\u7f29\u8f6f\u4ef6\uff0c\u6216\u901a\u8fc7\u9002\u7528\u4e8e\u60a8\u7684\u64cd\u4f5c\u7cfb\u7edf\u7684\u6253\u5305\u7cfb\u7edf\u8fdb\u884c\u5b89\u88c5\u3002\u5c06\u786c\u4ef6\u5212\u5206\u4e3a\u529f\u80fd\u5f88\u91cd\u8981\u3002<\/p>\n<p>\u901a\u5e38\uff0c\u5c06\u7fa4\u96c6\u4e2d\u7684\u4e00\u53f0\u673a\u5668\u4e13\u95e8\u6307\u5b9a\u4e3aNameNode\uff0c\u5c06\u53e6\u4e00\u53f0\u673a\u5668\u6307\u5b9a\u4e3aResourceManager\u3002\u8fd9\u4e9b\u662f\u5927\u5e08\u3002\u5176\u4ed6\u670d\u52a1\uff08\u4f8b\u5982Web App\u4ee3\u7406\u670d\u52a1\u5668\u548cMapReduce\u4f5c\u4e1a\u5386\u53f2\u670d\u52a1\u5668\uff09\u901a\u5e38\u6839\u636e\u8d1f\u8f7d\u5728\u4e13\u7528\u786c\u4ef6\u6216\u5171\u4eab\u57fa\u7840\u7ed3\u6784\u4e0a\u8fd0\u884c\u3002<\/p>\n<p>\u96c6\u7fa4\u4e2d\u7684\u5176\u4f59\u8ba1\u7b97\u673a\u540c\u65f6\u5145\u5f53DataNode\u548cNodeManager\u3002\u8fd9\u4e9b\u662f\u5de5\u4eba\u3002<\/p>\n<h2>\u5728\u975e\u5b89\u5168\u6a21\u5f0f\u4e0b\u914d\u7f6eHadoop<\/h2>\n<p>Hadoop\u7684Java\u914d\u7f6e\u7531\u4e24\u79cd\u91cd\u8981\u7684\u914d\u7f6e\u6587\u4ef6\u9a71\u52a8\uff1a<\/p>\n<ul>\n<li>\u53ea\u8bfb\u9ed8\u8ba4\u914d\u7f6e - <code>core-default.xml<\/code>, <code>hdfs-default.xml<\/code>, <code>yarn-default.xml<\/code> and <code>mapred-default.xml<\/code>.<\/li>\n<li>\u7279\u5b9a\u4e8e\u7ad9\u70b9\u7684\u914d\u7f6e<code>- <\/code>etc\/hadoop\/core-site.xml<code>, <\/code>etc\/hadoop\/hdfs-site.xml<code>, <\/code>etc\/hadoop\/yarn-site.xml<code> and <\/code>etc\/hadoop\/mapred-site.xml`.<\/li>\n<\/ul>\n<p>\u53e6\u5916\uff0c\u60a8\u53ef\u4ee5\u5728\u53d1\u884c\u7248\u7684bin \/\u76ee\u5f55\u4e2d\u627e\u5230Hadoop\u811a\u672c\u3002  \u901a\u8fc7<code> etc\/hadoop\/hadoop-env.sh<\/code>\u548c<code> etc\/hadoop\/yarn-env.sh<\/code>\u8bbe\u7f6e\u7279\u5b9a\u4e8e\u7ad9\u70b9\u7684\u503c\uff0c<\/p>\n<p>\u8981\u914d\u7f6eHadoop\u96c6\u7fa4\uff0c\u60a8\u5c06\u9700\u8981\u914d\u7f6eHadoop\u5b88\u62a4\u7a0b\u5e8f\u5728\u5176\u4e2d\u6267\u884c\u7684<code>\u73af\u5883<\/code>\u4ee5\u53caHadoop\u5b88\u62a4\u7a0b\u5e8f\u7684<code>\u914d\u7f6e\u53c2\u6570<\/code>\u3002<\/p>\n<p>HDFS\u5b88\u62a4\u7a0b\u5e8f\u662fNameNode\uff0cSecondaryNameNode\u548cDataNode\u3002YARN\u5b88\u62a4\u7a0b\u5e8f\u662fResourceManager\uff0cNodeManager\u548cWebAppProxy\u3002\u5982\u679c\u8981\u4f7f\u7528MapReduce\uff0c\u5219MapReduce\u4f5c\u4e1a\u5386\u53f2\u8bb0\u5f55\u670d\u52a1\u5668\u4e5f\u5c06\u8fd0\u884c\u3002\u5bf9\u4e8e\u5927\u578b\u5b89\u88c5\uff0c\u5b83\u4eec\u901a\u5e38\u5728\u5355\u72ec\u7684\u4e3b\u673a\u4e0a\u8fd0\u884c\u3002<\/p>\n<h3>Hadoop\u5b88\u62a4\u7a0b\u5e8f\u7684\u914d\u7f6e\u73af\u5883<\/h3>\n<p>\u7ba1\u7406\u5458\u5e94\u4f7f\u7528<code>etc\/hadoop\/hadoop-env.sh<\/code>\u4ee5\u53ca\u53ef\u9009\u7684<code> etc\/hadoop\/mapred-env.sh<\/code>\u548c<code>etc\/hadoop\/yarn-env.sh <\/code>\u811a\u672c\u5bf9Hadoop\u5b88\u62a4\u8fdb\u7a0b\u7684\u5904\u7406\u73af\u5883\u8fdb\u884c\u7279\u5b9a\u4e8e\u7ad9\u70b9\u7684\u81ea\u5b9a\u4e49\u3002<\/p>\n<p>\u81f3\u5c11\uff0c\u60a8\u5fc5\u987b\u6307\u5b9a<code>JAVA_HOME\uff0c<\/code>\u4ee5\u4fbf\u5728\u6bcf\u4e2a\u8fdc\u7a0b\u8282\u70b9\u4e0a\u6b63\u786e\u5b9a\u4e49\u5b83\u3002<\/p>\n<p>\u7ba1\u7406\u5458\u53ef\u4ee5\u4f7f\u7528\u4e0b\u8868\u4e2d\u663e\u793a\u7684\u914d\u7f6e\u9009\u9879\u6765\u914d\u7f6e\u5404\u4e2a\u5b88\u62a4\u7a0b\u5e8f\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left;\">\u5b88\u62a4\u8fdb\u7a0b<\/th>\n<th style=\"text-align: left;\">\u73af\u5883\u53d8\u91cf<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left;\">NameNode<\/td>\n<td style=\"text-align: left;\">HDFS_NAMENODE_OPTS<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">DataNode<\/td>\n<td style=\"text-align: left;\">HDFS_DATANODE_OPTS<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">Secondary NameNode<\/td>\n<td style=\"text-align: left;\">HDFS_SECONDARYNAMENODE_OPTS<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">ResourceManager<\/td>\n<td style=\"text-align: left;\">YARN_RESOURCEMANAGER_OPTS<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">NodeManager<\/td>\n<td style=\"text-align: left;\">YARN_NODEMANAGER_OPTS<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">WebAppProxy<\/td>\n<td style=\"text-align: left;\">YARN_PROXYSERVER_OPTS<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">Map Reduce Job History Server<\/td>\n<td style=\"text-align: left;\">MAPRED_HISTORYSERVER_OPTS<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u4f8b\u5982\uff0c\u8981\u5c06Namenode\u914d\u7f6e\u4e3a\u4f7f\u7528parallelGC\u548c4GB Java Heap\uff0c\u5e94\u5728hadoop-env.sh\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u8bed\u53e5\uff1a<\/p>\n<pre><code>  export HDFS_NAMENODE_OPTS=&quot;-XX:+UseParallelGC -Xmx4g&quot;<\/code><\/pre>\n<p>\u6709\u5173\u5176\u4ed6\u793a\u4f8b\uff0c\u8bf7\u53c2\u89c1<code> etc\/hadoop\/hadoop-env.sh <\/code>\u3002<\/p>\n<p>\u60a8\u53ef\u4ee5\u81ea\u5b9a\u4e49\u7684\u5176\u4ed6\u6709\u7528\u7684\u914d\u7f6e\u53c2\u6570\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><code>HADOOP_PID_DIR-<\/code>\u5b88\u62a4\u7a0b\u5e8f\u7684\u8fdb\u7a0bID\u6587\u4ef6\u7684\u5b58\u50a8\u76ee\u5f55\u3002<\/li>\n<li><code>HADOOP_LOG_DIR-<\/code>\u5b88\u62a4\u7a0b\u5e8f\u65e5\u5fd7\u6587\u4ef6\u7684\u5b58\u50a8\u76ee\u5f55\u3002\u5982\u679c\u65e5\u5fd7\u6587\u4ef6\u4e0d\u5b58\u5728\uff0c\u5219\u4f1a\u81ea\u52a8\u521b\u5efa\u3002<\/li>\n<li><code>HADOOP_HEAPSIZE_MAX-<\/code>\u7528\u4e8eJava\u5806\u5927\u5c0f\u7684\u6700\u5927\u5185\u5b58\u91cf\u3002\u6b64\u5904\u8fd8\u652f\u6301JVM\u652f\u6301\u7684\u5355\u5143\u3002\u5982\u679c\u4e0d\u5b58\u5728\u4efb\u4f55\u5355\u4f4d\uff0c\u5219\u5c06\u5047\u5b9a\u8be5\u6570\u5b57\u4ee5\u5146\u5b57\u8282\u4e3a\u5355\u4f4d\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cHadoop\u5c06\u8ba9JVM\u786e\u5b9a\u8981\u4f7f\u7528\u591a\u5c11\u8d44\u6e90\u3002\u53ef\u4ee5\u4f7f\u7528\u4e0a\u9762\u5217\u51fa\u7684\u9002\u5f53\u7684<code>_OPTS<\/code>\u53d8\u91cf<code>\u9010\u4e2a<\/code>\u5b88\u62a4\u7a0b\u5e8f\u8986\u76d6\u6b64\u503c\u3002\u4f8b\u5982\uff0c\u8bbe\u7f6e<code>HADOOP_HEAPSIZE_MAX = 1g<\/code>\u548c<code>HADOOP_NAMENODE_OPTS =\u201c-Xmx5g\u201d<\/code>\u5c06\u914d\u7f6e\u5177\u67095GB\u5806\u7684NameNode\u3002<\/li>\n<\/ul>\n<p>\u5728\u5927\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u60a8\u5e94\u8be5\u6307\u5b9a<code>HADOOP_PID_DIR<\/code>\u548c<code>HADOOP_LOG_DIR<\/code>\u76ee\u5f55\uff0c\u4ee5\u4f7f\u5b83\u4eec\u53ea\u80fd\u7531\u5c06\u8981\u8fd0\u884chadoop\u5b88\u62a4\u7a0b\u5e8f\u7684\u7528\u6237\u5199\u5165\u3002\u5426\u5219\uff0c\u53ef\u80fd\u4f1a\u53d1\u751f\u7b26\u53f7\u94fe\u63a5\u653b\u51fb\u3002<\/p>\n<p>\u5728\u7cfb\u7edf\u7ea7\u5916\u58f3\u73af\u5883\u914d\u7f6e\u4e2d\u914d\u7f6e<code>HADOOP_HOME<\/code>\u4e5f\u662f\u4f20\u7edf\u7684\u505a\u6cd5\u3002\u4f8b\u5982\/etc\/profile.d\u4e2d\u7684\u4e00\u4e2a\u7b80\u5355\u811a\u672c\uff1a<\/p>\n<pre><code>  HADOOP_HOME=\/path\/to\/hadoop\n  export HADOOP_HOME<\/code><\/pre>\n<h3>\u914d\u7f6eHadoop\u5b88\u62a4\u7a0b\u5e8f<\/h3>\n<p>\u672c\u8282\u4ecb\u7ecd\u5728\u7ed9\u5b9a\u7684\u914d\u7f6e\u6587\u4ef6\u4e2d\u6307\u5b9a\u7684\u91cd\u8981\u53c2\u6570\uff1a<\/p>\n<ul>\n<li><code>etc\/hadoop\/core-site.xml<\/code><\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left;\">\u8303\u56f4<\/th>\n<th style=\"text-align: left;\">\u4ef7\u503c<\/th>\n<th style=\"text-align: left;\">\u7b14\u8bb0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left;\"><code>fs.defaultFS<\/code><\/td>\n<td style=\"text-align: left;\">NameNode URI<\/td>\n<td style=\"text-align: left;\"><a href=\"hdfs:\/\/host:port\/\">hdfs:\/\/host:port\/<\/a><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><code>io.file.buffer.size<\/code><\/td>\n<td style=\"text-align: left;\">131072<\/td>\n<td style=\"text-align: left;\">SequenceFiles\u4e2d\u4f7f\u7528\u7684\u8bfb\/\u5199\u7f13\u51b2\u533a\u7684\u5927\u5c0f\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li><code>etc\/hadoop\/hdfs-site.xml<\/code><\/li>\n<li>NameNode\u7684\u914d\u7f6e\uff1a<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left;\">\u8303\u56f4<\/th>\n<th style=\"text-align: left;\">\u4ef7\u503c<\/th>\n<th style=\"text-align: left;\">\u7b14\u8bb0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left;\"><code>dfs.namenode.name.dir<\/code><\/td>\n<td style=\"text-align: left;\">NameNode\u6c38\u4e45\u5b58\u50a8\u540d\u79f0\u7a7a\u95f4\u548c\u4e8b\u52a1\u65e5\u5fd7\u7684\u672c\u5730\u6587\u4ef6\u7cfb\u7edf\u4e0a\u7684\u8def\u5f84\u3002<\/td>\n<td style=\"text-align: left;\">\u5982\u679c\u8fd9\u662f\u7528\u9017\u53f7\u5206\u9694\u7684\u76ee\u5f55\u5217\u8868\uff0c\u5219\u5c06\u540d\u79f0\u8868\u590d\u5236\u5230\u6240\u6709\u76ee\u5f55\u4e2d\uff0c\u4ee5\u5b9e\u73b0\u5197\u4f59\u3002<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">dfs.hosts<code> \/ <\/code>dfs.hosts.exclude<\/td>\n<td style=\"text-align: left;\">permitted\/excluded DataNode\u5217\u8868\u3002<\/td>\n<td style=\"text-align: left;\">\u5982\u6709\u5fc5\u8981\uff0c\u8bf7\u4f7f\u7528\u8fd9\u4e9b\u6587\u4ef6\u6765\u63a7\u5236\u5141\u8bb8\u7684\u6570\u636e\u8282\u70b9\u5217\u8868\u3002<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><code>dfs.blocksize<\/code><\/td>\n<td style=\"text-align: left;\">268435456<\/td>\n<td style=\"text-align: left;\">\u5927\u578b\u6587\u4ef6\u7cfb\u7edf\u7684HDFS\u5757\u5927\u5c0f\u4e3a256MB\u3002<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><code>dfs.namenode.handler.count<\/code><\/td>\n<td style=\"text-align: left;\">100<\/td>\n<td style=\"text-align: left;\">\u66f4\u591a\u7684NameNode\u670d\u52a1\u5668\u7ebf\u7a0b\u53ef\u5904\u7406\u6765\u81ea\u5927\u91cfDataNode\u7684RPC\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li>DataNode\u7684\u914d\u7f6e\uff1a<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left;\">\u8303\u56f4<\/th>\n<th style=\"text-align: left;\">\u4ef7\u503c<\/th>\n<th style=\"text-align: left;\">\u7b14\u8bb0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left;\"><code>dfs.datanode.data.dir<\/code><\/td>\n<td style=\"text-align: left;\">\u9017\u53f7\u5206\u9694\u7684<code>DataNode<\/code>\u672c\u5730\u6587\u4ef6\u7cfb\u7edf\u4e0a\u5e94\u5b58\u50a8\u5176\u5757\u7684\u8def\u5f84\u5217\u8868\u3002<\/td>\n<td style=\"text-align: left;\">\u5982\u679c\u8fd9\u662f\u9017\u53f7\u5206\u9694\u7684\u76ee\u5f55\u5217\u8868\uff0c\u5219\u6570\u636e\u5c06\u5b58\u50a8\u5728\u6240\u6709\u547d\u540d\u7684\u76ee\u5f55\u4e2d\uff0c\u901a\u5e38\u5b58\u50a8\u5728\u4e0d\u540c\u7684\u8bbe\u5907\u4e0a\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li><code>etc\/hadoop\/yarn-site.xml<\/code><\/li>\n<li>ResourceManager\u548cNodeManager\u7684\u914d\u7f6e\uff1a<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left;\">\u8303\u56f4<\/th>\n<th style=\"text-align: left;\">\u4ef7\u503c<\/th>\n<th style=\"text-align: left;\">\u7b14\u8bb0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left;\"><code>yarn.acl.enable<\/code><\/td>\n<td style=\"text-align: left;\">true<code> \/ <\/code>false<\/td>\n<td style=\"text-align: left;\">\u542f\u7528ACL\uff1f\u9ed8\u8ba4\u4e3a<em>false<\/em>\u3002<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><code>yarn.admin.acl<\/code><\/td>\n<td style=\"text-align: left;\">Admin ACL<\/td>\n<td style=\"text-align: left;\">\u7528\u4e8e\u5728\u7fa4\u96c6\u4e0a\u8bbe\u7f6e\u7ba1\u7406\u5458\u7684ACL\u3002ACL\u9002\u7528\u4e8e<em>\u9017\u53f7\u5206\u9694\u7684\u7528\u6237\u7a7a\u95f4\u9017\u53f7\u5206\u9694\u7684\u7ec4<\/em>\u3002\u9ed8\u8ba4\u4e3a\u7279\u6b8a\u503c ****<em>\uff0c\u8868\u793a<\/em>\u4efb\u4f55\u4eba<em>\u3002\u4ec5\u6709<\/em>\u7a7a\u95f4\u7684*\u7279\u6b8a\u4ef7\u503c\u610f\u5473\u7740\u6ca1\u6709\u4eba\u53ef\u4ee5\u4f7f\u7528\u3002<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><code>yarn.log-aggregation-enable<\/code><\/td>\n<td style=\"text-align: left;\">false<\/td>\n<td style=\"text-align: left;\">\u542f\u7528\u6216\u7981\u7528\u65e5\u5fd7\u805a\u5408\u7684\u914d\u7f6e<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li>ResourceManager\u7684\u914d\u7f6e\uff1a<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left;\">\u8303\u56f4<\/th>\n<th style=\"text-align: left;\">\u4ef7\u503c<\/th>\n<th style=\"text-align: left;\">\u7b14\u8bb0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left;\"><code>yarn.resourcemanager.address<\/code><\/td>\n<td style=\"text-align: left;\"><code>ResourceManager<\/code> host\uff1aport\u4f9b\u5ba2\u6237\u7aef\u63d0\u4ea4\u4f5c\u4e1a\u3002<\/td>\n<td style=\"text-align: left;\"><em>host\uff1aport<\/em> \u5982\u679c\u8bbe\u7f6e\uff0c\u5c06\u8986\u76d6<code>yarn.resourcemanager.hostname\u4e2d<\/code>\u8bbe\u7f6e\u7684\u4e3b\u673a\u540d\u3002<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><code>yarn.resourcemanager.scheduler.address<\/code><\/td>\n<td style=\"text-align: left;\"><code>ResourceManager<\/code> host\uff1aApplicationMaster\u7684\u7aef\u53e3\uff0c\u53ef\u4e0eScheduler\u8fdb\u884c\u5bf9\u8bdd\u4ee5\u83b7\u53d6\u8d44\u6e90\u3002<\/td>\n<td style=\"text-align: left;\"><em>host\uff1aport<\/em> \u5982\u679c\u8bbe\u7f6e\uff0c\u5c06\u8986\u76d6<code>yarn.resourcemanager.hostname\u4e2d<\/code>\u8bbe\u7f6e\u7684\u4e3b\u673a\u540d\u3002<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><code>yarn.resourcemanager.resource-tracker.address<\/code><\/td>\n<td style=\"text-align: left;\"><code><code>NodeManager\u7684<\/code>ResourceManager<code> host\uff1aport\u3002                | *host\uff1aport* \u5982\u679c\u8bbe\u7f6e\uff0c\u5c06\u8986\u76d6<\/code>yarn.resourcemanager.hostname\u4e2d<\/code>\u8bbe\u7f6e\u7684\u4e3b\u673a\u540d\u3002<\/td>\n<td style=\"text-align: left;\"><\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><code>yarn.resourcemanager.admin.address<\/code><\/td>\n<td style=\"text-align: left;\"><code>ResourceManager<\/code> host\uff1aport\u7528\u4e8e\u7ba1\u7406\u547d\u4ee4\u3002<\/td>\n<td style=\"text-align: left;\"><em>host\uff1aport<\/em> \u5982\u679c\u8bbe\u7f6e\uff0c\u5c06\u8986\u76d6<code>yarn.resourcemanager.hostname\u4e2d<\/code>\u8bbe\u7f6e\u7684\u4e3b\u673a\u540d\u3002<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><code>yarn.resourcemanager.webapp.address<\/code><\/td>\n<td style=\"text-align: left;\"><code>ResourceManager<\/code> Web\u7528\u6237\u754c\u9762\u4e3b\u673a\uff1a\u7aef\u53e3\u3002<\/td>\n<td style=\"text-align: left;\"><em>host\uff1aport<\/em> \u5982\u679c\u8bbe\u7f6e\uff0c\u5c06\u8986\u76d6<code>yarn.resourcemanager.hostname\u4e2d<\/code>\u8bbe\u7f6e\u7684\u4e3b\u673a\u540d\u3002<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><code>yarn.resourcemanager.hostname<\/code><\/td>\n<td style=\"text-align: left;\"><code>ResourceManager<\/code>\u4e3b\u673a\u3002<\/td>\n<td style=\"text-align: left;\"><em>host<\/em> \u53ef\u4ee5\u8bbe\u7f6e\u5355\u4e2a\u4e3b\u673a\u540d\uff0c\u4ee5\u4ee3\u66ff\u8bbe\u7f6e\u6240\u6709<code>yarn.resourcemanager * address<\/code>\u8d44\u6e90\u3002\u751f\u6210ResourceManager\u7ec4\u4ef6\u7684\u9ed8\u8ba4\u7aef\u53e3\u3002<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><code>yarn.resourcemanager.scheduler.class<\/code><\/td>\n<td style=\"text-align: left;\"><code>ResourceManager<\/code> Scheduler\u7c7b\u3002<\/td>\n<td style=\"text-align: left;\"><code>CapacityScheduler<\/code>\uff08\u63a8\u8350\uff09\uff0c<code>FairScheduler<\/code>\uff08\u4e5f\u63a8\u8350\uff09\u6216<code>FifoScheduler<\/code>\u3002\u4f7f\u7528\u5b8c\u5168\u9650\u5b9a\u7684\u7c7b\u540d\uff0c\u4f8b\u5982<code>org.apache.hadoop.yarn.server.resourcemanager.scheduler.fair.FairScheduler<\/code>\u3002<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><code>\u7eb1\u7ebf\u8c03\u5ea6\u5668\u6700\u5c0f\u5206\u914dMB<\/code><\/td>\n<td style=\"text-align: left;\">\u5728<code>\u8d44\u6e90\u7ba1\u7406\u5668\u4e2d<\/code>\u5206\u914d\u7ed9\u6bcf\u4e2a\u5bb9\u5668\u8bf7\u6c42\u7684\u6700\u5c0f\u5185\u5b58\u9650\u5236\u3002<\/td>\n<td style=\"text-align: left;\">\u4ee5MB\u4e3a\u5355\u4f4d<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><code>yarn.scheduler.maximum-allocation-mb<\/code><\/td>\n<td style=\"text-align: left;\"><code>\u8d44\u6e90\u7ba1\u7406\u5668\u4e2d<\/code>\u5206\u914d\u7ed9\u6bcf\u4e2a\u5bb9\u5668\u8bf7\u6c42\u7684\u6700\u5927\u5185\u5b58\u9650\u5236\u3002<\/td>\n<td style=\"text-align: left;\">\u4ee5MB\u4e3a\u5355\u4f4d<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><code>yarn.resourcemanager.nodes.include-path<\/code> \/ <code>yarn.resourcemanager.nodes.exclude-path<\/code><\/td>\n<td style=\"text-align: left;\">\u5141\u8bb8\/\u6392\u9664\u7684NodeManager\u5217\u8868\u3002<\/td>\n<td style=\"text-align: left;\">\u5982\u6709\u5fc5\u8981\uff0c\u8bf7\u4f7f\u7528\u8fd9\u4e9b\u6587\u4ef6\u6765\u63a7\u5236\u5141\u8bb8\u7684NodeManager\u5217\u8868\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li>NodeManager\u7684\u914d\u7f6e\uff1a<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left;\">\u8303\u56f4<\/th>\n<th style=\"text-align: left;\">\u4ef7\u503c<\/th>\n<th style=\"text-align: left;\">\u7b14\u8bb0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left;\"><code>yarn.nodemanager.resource.memory-mb<\/code><\/td>\n<td style=\"text-align: left;\">\u8d44\u6e90\uff0c\u5373\u7ed9\u5b9aNodeManager\u7684\u53ef\u7528\u7269\u7406\u5185\u5b58\uff08\u4ee5MB\u4e3a\u5355\u4f4d\uff09<\/td>\n<td style=\"text-align: left;\">\u5b9a\u4e49NodeManager\u4e0a\u7684\u603b\u53ef\u7528\u8d44\u6e90\u4ee5\u4f9b\u8fd0\u884c\u4e2d\u7684\u5bb9\u5668\u4f7f\u7528<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><code>yarn.nodemanager.vmem-pmem-ratio<\/code><\/td>\n<td style=\"text-align: left;\">\u4efb\u52a1\u7684\u865a\u62df\u5185\u5b58\u4f7f\u7528\u7387\u53ef\u80fd\u8d85\u8fc7\u7269\u7406\u5185\u5b58\u7684\u6700\u5927\u6bd4\u7387<\/td>\n<td style=\"text-align: left;\">\u6bcf\u4e2a\u4efb\u52a1\u7684\u865a\u62df\u5185\u5b58\u4f7f\u7528\u91cf\u53ef\u80fd\u8d85\u51fa\u6b64\u7269\u7406\u5185\u5b58\u9650\u5236\u7684\u6bd4\u7387\u3002NodeManager\u4e0a\u7684\u4efb\u52a1\u4f7f\u7528\u7684\u865a\u62df\u5185\u5b58\u603b\u91cf\u53ef\u80fd\u8d85\u8fc7\u5176\u7269\u7406\u5185\u5b58\u4f7f\u7528\u91cf\u8fbe\u6b64\u6bd4\u7387\u3002<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><code>yarn.nodemanager.local-dirs<\/code><\/td>\n<td style=\"text-align: left;\">\u7528\u9017\u53f7\u5206\u9694\u7684\u672c\u5730\u6587\u4ef6\u7cfb\u7edf\u4e0a\u5199\u5165\u4e2d\u95f4\u6570\u636e\u7684\u8def\u5f84\u5217\u8868\u3002<\/td>\n<td style=\"text-align: left;\">\u591a\u4e2a\u8def\u5f84\u6709\u52a9\u4e8e\u4f20\u64ad\u78c1\u76d8I \/ O\u3002<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><code>yarn.nodemanager.log\u76ee\u5f55<\/code><\/td>\n<td style=\"text-align: left;\">\u9017\u53f7\u5206\u9694\u7684\u672c\u5730\u6587\u4ef6\u7cfb\u7edf\u4e0a\u5199\u5165\u65e5\u5fd7\u7684\u8def\u5f84\u5217\u8868\u3002<\/td>\n<td style=\"text-align: left;\">\u591a\u4e2a\u8def\u5f84\u6709\u52a9\u4e8e\u4f20\u64ad\u78c1\u76d8I \/ O\u3002<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><code>yarn.nodemanager.log.retain-seconds<\/code><\/td>\n<td style=\"text-align: left;\"><em>10800<\/em><\/td>\n<td style=\"text-align: left;\">\u5728NodeManager\u4e0a\u4fdd\u7559\u65e5\u5fd7\u6587\u4ef6\u7684\u9ed8\u8ba4\u65f6\u95f4\uff08\u4ee5\u79d2\u4e3a\u5355\u4f4d\uff09\u4ec5\u5728\u7981\u7528\u65e5\u5fd7\u805a\u5408\u65f6\u624d\u9002\u7528\u3002<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><code>yarn.nodemanager.remote-app-log-dir<\/code><\/td>\n<td style=\"text-align: left;\"><strong>\/logs<\/strong><\/td>\n<td style=\"text-align: left;\">\u5e94\u7528\u7a0b\u5e8f\u5b8c\u6210\u65f6\u5c06\u5e94\u7528\u7a0b\u5e8f\u65e5\u5fd7\u79fb\u52a8\u5230\u7684HDFS\u76ee\u5f55\u3002\u9700\u8981\u8bbe\u7f6e\u9002\u5f53\u7684\u6743\u9650\u3002\u4ec5\u5728\u542f\u7528\u65e5\u5fd7\u805a\u5408\u7684\u60c5\u51b5\u4e0b\u9002\u7528\u3002<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><code>yarn.nodemanager.remote-app-log-dir-\u540e\u7f00<\/code><\/td>\n<td style=\"text-align: left;\"><strong>logs<\/strong><\/td>\n<td style=\"text-align: left;\">\u540e\u7f00\u9644\u52a0\u5230\u8fdc\u7a0b\u65e5\u5fd7\u76ee\u5f55\u3002\u65e5\u5fd7\u5c06\u6c47\u603b\u5230$ {yarn.nodemanager.remote-app-log-dir} \/ $ {user} \/ $ {thisParam}\uff0c\u4ec5\u5728\u542f\u7528\u65e5\u5fd7\u6c47\u603b\u7684\u60c5\u51b5\u4e0b\u9002\u7528\u3002<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><code>yarn.nodemanager.aux-services<\/code><\/td>\n<td style=\"text-align: left;\">mapreduce_shuffle<\/td>\n<td style=\"text-align: left;\">\u9700\u8981\u4e3aMap Reduce\u5e94\u7528\u7a0b\u5e8f\u8bbe\u7f6e\u6d17\u724c\u670d\u52a1\u3002<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><code>yarn.nodemanager.env\u767d\u540d\u5355<\/code><\/td>\n<td style=\"text-align: left;\">\u5bb9\u5668\u4eceNodeManagers\u7ee7\u627f\u7684\u73af\u5883\u5c5e\u6027<\/td>\n<td style=\"text-align: left;\">\u5bf9\u4e8emapreduce\u5e94\u7528\u7a0b\u5e8f\uff0c\u9664\u4e86\u9ed8\u8ba4\u503c\u4e4b\u5916\uff0c\u8fd8\u5e94\u6dfb\u52a0HADOOP_MAPRED_HOME\u3002\u5c5e\u6027\u503c\u5e94\u4e3aJAVA_HOME\uff0cHADOOP_COMMON_HOME\uff0cHADOOP_HDFS_HOME\uff0cHADOOP_CONF_DIR\uff0cCLASSPATH_PREPEND_DISTCACHE\uff0cHADOOP_YARN_HOME\uff0cHADOOP_MAPRED_HOME<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li>History Server\u7684\u914d\u7f6e\uff08\u9700\u8981\u79fb\u81f3\u5176\u4ed6\u4f4d\u7f6e\uff09\uff1a<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left;\">\u8303\u56f4<\/th>\n<th style=\"text-align: left;\">\u4ef7\u503c<\/th>\n<th style=\"text-align: left;\">\u7b14\u8bb0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left;\"><code>yarn.log-aggregation.retain-seconds<\/code><\/td>\n<td style=\"text-align: left;\"><em>-1<\/em><\/td>\n<td style=\"text-align: left;\">\u5220\u9664\u805a\u5408\u65e5\u5fd7\u524d\u8981\u4fdd\u7559\u591a\u957f\u65f6\u95f4\u3002-1\u7981\u7528\u3002\u8bf7\u6ce8\u610f\uff0c\u5c06\u6b64\u503c\u8bbe\u7f6e\u5f97\u592a\u5c0f\uff0c\u60a8\u5c06\u5411\u540d\u79f0\u8282\u70b9\u53d1\u9001\u5783\u573e\u90ae\u4ef6\u3002<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><code>yarn.log-aggregation.retain-check-interval-seconds<\/code><\/td>\n<td style=\"text-align: left;\"><em>-1<\/em><\/td>\n<td style=\"text-align: left;\">\u4e24\u6b21\u68c0\u67e5\u6c47\u603b\u65e5\u5fd7\u4fdd\u7559\u4e4b\u95f4\u7684\u65f6\u95f4\u3002\u5982\u679c\u8bbe\u7f6e\u4e3a0\u6216\u8d1f\u503c\uff0c\u5219\u8be5\u503c\u5c06\u8ba1\u7b97\u4e3a\u805a\u5408\u65e5\u5fd7\u4fdd\u7559\u65f6\u95f4\u7684\u5341\u5206\u4e4b\u4e00\u3002\u8bf7\u6ce8\u610f\uff0c\u5c06\u6b64\u503c\u8bbe\u7f6e\u5f97\u592a\u5c0f\uff0c\u60a8\u5c06\u5411\u540d\u79f0\u8282\u70b9\u53d1\u9001\u5783\u573e\u90ae\u4ef6\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li><code>etc \/ hadoop \/ mapred-site.xml<\/code><\/li>\n<li>MapReduce\u5e94\u7528\u7a0b\u5e8f\u7684\u914d\u7f6e\uff1a<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left;\">\u8303\u56f4<\/th>\n<th style=\"text-align: left;\">\u4ef7\u503c<\/th>\n<th style=\"text-align: left;\">\u7b14\u8bb0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left;\"><code>mapreduce.framework.name<\/code><\/td>\n<td style=\"text-align: left;\">\u7eb1<\/td>\n<td style=\"text-align: left;\">\u6267\u884c\u6846\u67b6\u8bbe\u7f6e\u4e3aHadoop YARN\u3002<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><code>mapreduce.map.memory.mb<\/code><\/td>\n<td style=\"text-align: left;\">1536<\/td>\n<td style=\"text-align: left;\">\u8f83\u5927\u7684\u5730\u56fe\u8d44\u6e90\u9650\u5236\u3002<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><code>mapreduce.map.java.opts<\/code><\/td>\n<td style=\"text-align: left;\">-Xmx1024M<\/td>\n<td style=\"text-align: left;\">\u6620\u5c04\u7684\u5b50jvm\u7684\u8f83\u5927\u5806\u5927\u5c0f\u3002<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><code>mapreduce.reduce.memory.mb<\/code><\/td>\n<td style=\"text-align: left;\">3072<\/td>\n<td style=\"text-align: left;\">\u8f83\u5927\u7684\u8d44\u6e90\u9650\u5236\u4ee5\u51cf\u5c11\u3002<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><code>mapreduce.reduce.java.opts<\/code><\/td>\n<td style=\"text-align: left;\">-Xmx2560M<\/td>\n<td style=\"text-align: left;\">\u51cf\u5c11\u5b50jvm\u7684\u5806\u5927\u5c0f\u3002<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><code>mapreduce.task.io.sort.mb<\/code><\/td>\n<td style=\"text-align: left;\">512<\/td>\n<td style=\"text-align: left;\">\u66f4\u9ad8\u7684\u5185\u5b58\u9650\u5236\uff0c\u540c\u65f6\u5bf9\u6570\u636e\u8fdb\u884c\u6392\u5e8f\u4ee5\u63d0\u9ad8\u6548\u7387\u3002<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><code>mapreduce.task.io.sort.factor<\/code><\/td>\n<td style=\"text-align: left;\">100<\/td>\n<td style=\"text-align: left;\">\u6392\u5e8f\u6587\u4ef6\u65f6\uff0c\u66f4\u591a\u6d41\u540c\u65f6\u5408\u5e76\u3002<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><code>mapreduce.reduce.shuffle.parallelcopies<\/code><\/td>\n<td style=\"text-align: left;\">50<\/td>\n<td style=\"text-align: left;\">\u51cf\u5c11\u8fd0\u884c\u7684\u5e76\u884c\u526f\u672c\u6570\u91cf\uff0c\u53ef\u4ee5\u4ece\u5927\u91cf\u6620\u5c04\u4e2d\u83b7\u53d6\u8f93\u51fa\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul>\n<li>MapReduce JobHistory\u670d\u52a1\u5668\u7684\u914d\u7f6e\uff1a<\/li>\n<\/ul>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left;\">\u8303\u56f4<\/th>\n<th style=\"text-align: left;\">\u4ef7\u503c<\/th>\n<th style=\"text-align: left;\">\u7b14\u8bb0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left;\"><code>mapreduce.jobhistory.address<\/code><\/td>\n<td style=\"text-align: left;\">MapReduce JobHistory Server<em>\u4e3b\u673a\uff1a\u7aef\u53e3<\/em><\/td>\n<td style=\"text-align: left;\">\u9ed8\u8ba4\u7aef\u53e3\u4e3a10020\u3002<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><code>mapreduce.jobhistory.webapp.address<\/code><\/td>\n<td style=\"text-align: left;\">MapReduce JobHistory Server Web UI<em>\u4e3b\u673a\uff1a\u7aef\u53e3<\/em><\/td>\n<td style=\"text-align: left;\">\u9ed8\u8ba4\u7aef\u53e3\u662f19888\u3002<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><code>mapreduce.jobhistory.intermediate-done-dir<\/code><\/td>\n<td style=\"text-align: left;\">\/mr-history\/tmp<\/td>\n<td style=\"text-align: left;\">MapReduce\u4f5c\u4e1a\u5728\u5176\u4e2d\u5199\u5165\u5386\u53f2\u6587\u4ef6\u7684\u76ee\u5f55\u3002<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><code>mapreduce.jobhistory.done-dir<\/code><\/td>\n<td style=\"text-align: left;\">\/mr-history\/done<\/td>\n<td style=\"text-align: left;\">\u5386\u53f2\u8bb0\u5f55\u6587\u4ef6\u7531MR JobHistory\u670d\u52a1\u5668\u7ba1\u7406\u7684\u76ee\u5f55\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u76d1\u89c6NodeManager\u7684\u8fd0\u884c\u72b6\u51b5<\/h2>\n<p>Hadoop\u63d0\u4f9b\u4e86\u4e00\u79cd\u673a\u5236\uff0c\u7ba1\u7406\u5458\u53ef\u4ee5\u901a\u8fc7\u8be5\u673a\u5236\u5c06NodeManager\u914d\u7f6e\u4e3a\u5b9a\u671f\u8fd0\u884c\u7ba1\u7406\u5458\u63d0\u4f9b\u7684\u811a\u672c\uff0c\u4ee5\u786e\u5b9a\u8282\u70b9\u662f\u5426\u6b63\u5e38\u3002<\/p>\n<p>\u7ba1\u7406\u5458\u53ef\u4ee5\u901a\u8fc7\u5728\u811a\u672c\u4e2d\u6267\u884c\u5bf9\u5176\u9009\u62e9\u7684\u4efb\u4f55\u68c0\u67e5\u6765\u786e\u5b9a\u8282\u70b9\u662f\u5426\u5904\u4e8e\u5065\u5eb7\u72b6\u6001\u3002\u5982\u679c\u811a\u672c\u68c0\u6d4b\u5230\u8be5\u8282\u70b9\u5904\u4e8e\u4e0d\u6b63\u5e38\u72b6\u6001\uff0c\u5219\u5b83\u5fc5\u987b\u4ece\u6807\u51c6\u5b57\u7b26\u4e32ERROR\u5f00\u59cb\u6253\u5370\u4e00\u884c\u5230\u6807\u51c6\u8f93\u51fa\u3002NodeManager\u4f1a\u5b9a\u671f\u751f\u6210\u811a\u672c\u5e76\u68c0\u67e5\u5176\u8f93\u51fa\u3002\u5982\u679c\u811a\u672c\u7684\u8f93\u51fa\u5305\u542b\u5b57\u7b26\u4e32ERROR\uff08\u5982\u4e0a\u6240\u8ff0\uff09\uff0c\u5219\u8be5\u8282\u70b9\u7684\u72b6\u6001\u62a5\u544a\u4e3a<code>\u4e0d\u6b63\u5e38<\/code>\u5e76\u4e14\u8be5\u8282\u70b9\u5df2\u88abResourceManager\u5217\u5165\u9ed1\u540d\u5355\u3002\u6ca1\u6709\u5176\u4ed6\u4efb\u52a1\u5c06\u5206\u914d\u7ed9\u8be5\u8282\u70b9\u3002\u4f46\u662f\uff0cNodeManager\u4f1a\u7ee7\u7eed\u8fd0\u884c\u811a\u672c\uff0c\u56e0\u6b64\uff0c\u5982\u679c\u8be5\u8282\u70b9\u518d\u6b21\u6062\u590d\u6b63\u5e38\uff0c\u5219\u5b83\u5c06\u81ea\u52a8\u4eceResourceManager\u7684\u9ed1\u540d\u5355\u8282\u70b9\u4e2d\u5220\u9664\u3002\u8282\u70b9\u7684\u8fd0\u884c\u72b6\u51b5\u4ee5\u53ca\u811a\u672c\u7684\u8f93\u51fa\uff08\u5982\u679c\u8fd0\u884c\u72b6\u51b5\u4e0d\u6b63\u5e38\uff09\u5bf9\u4e8e\u7ba1\u7406\u5458\u5728ResourceManager Web\u754c\u9762\u4e2d\u53ef\u7528\u3002\u81ea\u8282\u70b9\u8fd0\u884c\u72b6\u51b5\u826f\u597d\u4ee5\u6765\u7684\u65f6\u95f4\u4e5f\u663e\u793a\u5728Web\u754c\u9762\u4e0a\u3002<\/p>\n<p>\u4ee5\u4e0b\u53c2\u6570\u53ef\u7528\u4e8e\u63a7\u5236<code>etc\/hadoop\/yarn-site.xml<\/code>\u4e2d\u7684\u8282\u70b9\u8fd0\u884c\u72b6\u51b5\u76d1\u89c6\u811a\u672c\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left;\">\u8303\u56f4<\/th>\n<th style=\"text-align: left;\">\u4ef7\u503c<\/th>\n<th style=\"text-align: left;\">\u7b14\u8bb0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left;\"><code>yarn.nodemanager.health-checker.script.path<\/code><\/td>\n<td style=\"text-align: left;\">\u8282\u70b9\u8fd0\u884c\u72b6\u51b5\u811a\u672c<\/td>\n<td style=\"text-align: left;\">\u7528\u4e8e\u68c0\u67e5\u8282\u70b9\u7684\u5065\u5eb7\u72b6\u6001\u7684\u811a\u672c\u3002<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><code>yarn.nodemanager.health-checker.script.opts<\/code><\/td>\n<td style=\"text-align: left;\">\u8282\u70b9\u8fd0\u884c\u72b6\u51b5\u811a\u672c\u9009\u9879<\/td>\n<td style=\"text-align: left;\">\u7528\u4e8e\u68c0\u67e5\u8282\u70b9\u8fd0\u884c\u72b6\u51b5\u7684\u811a\u672c\u9009\u9879\u3002<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><code>yarn.nodemanager.health-checker.interval-ms<\/code><\/td>\n<td style=\"text-align: left;\">\u8282\u70b9\u8fd0\u884c\u72b6\u51b5\u811a\u672c\u95f4\u9694<\/td>\n<td style=\"text-align: left;\">\u8fd0\u884c\u72b6\u51b5\u811a\u672c\u7684\u65f6\u95f4\u95f4\u9694\u3002<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\"><code>yarn.nodemanager.health-checker.script.timeout-ms<\/code><\/td>\n<td style=\"text-align: left;\">\u8282\u70b9\u8fd0\u884c\u72b6\u51b5\u811a\u672c\u8d85\u65f6\u95f4\u9694<\/td>\n<td style=\"text-align: left;\">\u8fd0\u884c\u72b6\u51b5\u811a\u672c\u6267\u884c\u8d85\u65f6\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5982\u679c\u4ec5\u67d0\u4e9b\u672c\u5730\u78c1\u76d8\u53d8\u574f\uff0c\u5219\u8fd0\u884c\u72b6\u51b5\u68c0\u67e5\u5668\u811a\u672c\u4e0d\u5e94\u7ed9\u51fa\u9519\u8bef\u3002NodeManager\u80fd\u591f\u5b9a\u671f\u68c0\u67e5\u672c\u5730\u78c1\u76d8\u7684\u8fd0\u884c\u72b6\u51b5\uff08\u7279\u522b\u662f\u68c0\u67e5nodemanager-local-dirs\u548cnodemanager-log-dirs\uff09\uff0c\u5e76\u5728\u8fbe\u5230config\u76ee\u5f55\u5c5e\u6027yarn.nodemanager\u8bbe\u7f6e\u7684\u503c\u7684\u574f\u76ee\u5f55\u6570\u91cf\u9608\u503c\u4e4b\u540e.disk-health-checker.min-healthy-disks\uff0c\u6574\u4e2a\u8282\u70b9\u88ab\u6807\u8bb0\u4e3a\u4e0d\u6b63\u5e38\uff0c\u5e76\u4e14\u6b64\u4fe1\u606f\u4e5f\u53d1\u9001\u5230\u8d44\u6e90\u7ba1\u7406\u5668\u3002\u542f\u52a8\u78c1\u76d8\u88ab\u641c\u67e5\uff0c\u6216\u8005\u8fd0\u884c\u72b6\u51b5\u68c0\u67e5\u7a0b\u5e8f\u811a\u672c\u6807\u8bc6\u4e86\u542f\u52a8\u78c1\u76d8\u4e2d\u7684\u6545\u969c\u3002<\/p>\n<h2>Slaves File<\/h2>\n<p>\u5728\u60a8\u7684<code>etc\/hadoop\/workers<\/code>\u6587\u4ef6\u4e2d\u5217\u51fa\u6240\u6709\u5de5\u4f5c\u8005\u4e3b\u673a\u540d\u6216IP\u5730\u5740\uff0c\u6bcf\u884c\u5217\u51fa\u4e00\u4e2a\u3002\u5e2e\u52a9\u7a0b\u5e8f\u811a\u672c\uff08\u5982\u4e0b\u6240\u8ff0\uff09\u5c06\u4f7f\u7528<code>etc\/hadoop\/workers<\/code>\u6587\u4ef6\u5728\u591a\u4e2a\u4e3b\u673a\u4e0a\u4e00\u6b21\u8fd0\u884c\u547d\u4ee4\u3002\u5b83\u4e0d\u7528\u4e8e\u4efb\u4f55\u57fa\u4e8eJava\u7684Hadoop\u914d\u7f6e\u3002\u4e3a\u4e86\u4f7f\u7528\u6b64\u529f\u80fd\uff0c\u5fc5\u987b\u4e3a\u7528\u4e8e\u8fd0\u884cHadoop\u7684\u5e10\u6237\u5efa\u7acbssh\u4fe1\u4efb\uff08\u901a\u8fc7\u65e0\u5bc6\u7801ssh\u6216\u5176\u4ed6\u67d0\u79cd\u65b9\u5f0f\uff0c\u4f8b\u5982Kerberos\uff09\u3002<\/p>\n<h2>Hadoop<a href=\"https:\/\/blog.csdn.net\/flyer_tang\/article\/details\/83180844\">\u673a\u67b6\u610f\u8bc6<\/a><\/h2>\n<p>\u8bb8\u591aHadoop\u7ec4\u4ef6\u90fd\u662f\u673a\u67b6\u5f0f\u7684\uff0c\u5e76\u5229\u7528\u7f51\u7edc\u62d3\u6251\u6765\u63d0\u9ad8\u6027\u80fd\u548c\u5b89\u5168\u6027\u3002Hadoop\u5b88\u62a4\u7a0b\u5e8f\u901a\u8fc7\u8c03\u7528\u7ba1\u7406\u5458\u914d\u7f6e\u7684\u6a21\u5757\u6765\u83b7\u53d6\u96c6\u7fa4\u4e2d\u5de5\u4f5c\u7ebf\u7a0b\u7684\u673a\u67b6\u4fe1\u606f\u3002\u6709\u5173\u66f4\u591a\u7279\u5b9a\u4fe1\u606f\uff0c\u8bf7\u53c2\u9605\u300a<a href=\"https:\/\/hadoop.apache.org\/docs\/stable\/hadoop-project-dist\/hadoop-common\/RackAwareness.html\">Rack Awareness\u300b<\/a>\u6587\u6863\u3002<\/p>\n<p>\u5f3a\u70c8\u5efa\u8bae\u5728\u542f\u52a8HDFS\u4e4b\u524d\u914d\u7f6e\u673a\u67b6\u611f\u77e5\u3002<\/p>\n<h2>\u8bb0\u5f55\u4e2d<\/h2>\n<p>Hadoop\u901a\u8fc7Apache Commons Logging\u6846\u67b6\u4f7f\u7528<a href=\"http:\/\/logging.apache.org\/log4j\/2.x\/\">Apache log4j<\/a>\u8fdb\u884c\u65e5\u5fd7\u8bb0\u5f55\u3002\u7f16\u8f91etc\/hadoop\/log4j.properties\u6587\u4ef6\u4ee5\u81ea\u5b9a\u4e49Hadoop\u5b88\u62a4\u7a0b\u5e8f\u7684\u65e5\u5fd7\u8bb0\u5f55\u914d\u7f6e\uff08\u65e5\u5fd7\u683c\u5f0f\u7b49\uff09\u3002<\/p>\n<h2>\u64cd\u4f5cHadoop\u96c6\u7fa4<\/h2>\n<p>\u5b8c\u6210\u6240\u6709\u5fc5\u9700\u7684\u914d\u7f6e\u540e\uff0c\u5c06\u6587\u4ef6\u5206\u53d1\u5230\u6240\u6709\u8ba1\u7b97\u673a\u4e0a\u7684<code>HADOOP_CONF_DIR<\/code>\u76ee\u5f55\u3002\u5728\u6240\u6709\u8ba1\u7b97\u673a\u4e0a\uff0c\u8be5\u76ee\u5f55\u5e94\u8be5\u662f\u76f8\u540c\u7684\u76ee\u5f55\u3002<\/p>\n<p>\u901a\u5e38\uff0c\u5efa\u8baeHDFS\u548cYARN\u4ee5\u5355\u72ec\u7684\u7528\u6237\u8eab\u4efd\u8fd0\u884c\u3002\u5728\u5927\u591a\u6570\u5b89\u88c5\u4e2d\uff0cHDFS\u8fdb\u7a0b\u4ee5\u201c hdfs\u201d\u7684\u8eab\u4efd\u6267\u884c\u3002YARN\u901a\u5e38\u4f7f\u7528\u201c yarn\u201d\u5e10\u6237\u3002<\/p>\n<h3>Hadoop\u542f\u52a8<\/h3>\n<p>\u8981\u542f\u52a8Hadoop\u96c6\u7fa4\uff0c\u60a8\u5c06\u9700\u8981\u540c\u65f6\u542f\u52a8HDFS\u548cYARN\u96c6\u7fa4\u3002<\/p>\n<p>\u7b2c\u4e00\u6b21\u542f\u52a8HDFS\u65f6\uff0c\u5fc5\u987b\u5bf9\u5176\u8fdb\u884c\u683c\u5f0f\u5316\u3002\u5c06\u65b0\u7684\u5206\u5e03\u5f0f\u6587\u4ef6\u7cfb\u7edf\u683c\u5f0f\u5316\u4e3a<em>hdfs<\/em>\uff1a<\/p>\n<pre><code>[hdfs]$ $HADOOP_HOME\/bin\/hdfs namenode -format &lt;cluster_name&gt;<\/code><\/pre>\n<p>\u5728\u6307\u5b9a\u8282\u70b9\u4e0a\u5c06\u4ee5\u4e0b\u547d\u4ee4\u4f5c\u4e3a<em>hdfs<\/em>\u542f\u52a8HDFS NameNode \uff1a<\/p>\n<pre><code>[hdfs]$ $HADOOP_HOME\/bin\/hdfs --daemon start namenode<\/code><\/pre>\n<p>\u5728\u6bcf\u4e2a\u6307\u5b9a\u7684\u8282\u70b9\u4e0a\u4ee5<em>hdfs<\/em>\u7684\u4ee5\u4e0b\u547d\u4ee4\u542f\u52a8HDFS DataNode \uff1a<\/p>\n<pre><code>[hdfs]$ $HADOOP_HOME\/bin\/hdfs --daemon start datanode<\/code><\/pre>\n<p>\u5982\u679c\u914d\u7f6e\u4e86<code>etc\/hadoop\/workers<\/code>\u548cssh\u4fe1\u4efb\u8bbf\u95ee\u6743\u9650\uff08\u8bf7\u53c2\u9605\u201c<a href=\"https:\/\/hadoop.apache.org\/docs\/stable\/hadoop-project-dist\/hadoop-common\/SingleCluster.html\">\u5355\u8282\u70b9\u8bbe\u7f6e\u201d<\/a>\uff09\uff0c\u5219\u53ef\u4ee5\u4f7f\u7528\u5b9e\u7528\u7a0b\u5e8f\u811a\u672c\u542f\u52a8\u6240\u6709HDFS\u8fdb\u7a0b\u3002\u4f5c\u4e3a<em>hdfs<\/em>\uff1a<\/p>\n<pre><code>[hdfs]$ $HADOOP_HOME\/sbin\/start-dfs.sh<\/code><\/pre>\n<p>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u542f\u52a8YARN\uff0c\u5728\u6307\u5b9a\u7684ResourceManager\u4e0a\u4ee5<em>yarn\u8fd0\u884c<\/em>\uff1a<\/p>\n<pre><code>[yarn]$ $HADOOP_HOME\/bin\/yarn --daemon start resourcemanager<\/code><\/pre>\n<p>\u8fd0\u884c\u811a\u672c\u4ee5\u5728\u6bcf\u4e2a\u6307\u5b9a\u7684\u4e3b\u673a\u4e0a\u4ee5<em>yarn\u7684\u5f62\u5f0f<\/em>\u542f\u52a8NodeManager \uff1a<\/p>\n<pre><code>[yarn]$ $HADOOP_HOME\/bin\/yarn --daemon start nodemanager<\/code><\/pre>\n<p>\u542f\u52a8\u72ec\u7acb\u7684WebAppProxy\u670d\u52a1\u5668\u3002\u4ee5<em>yarn\u7684\u5f62\u5f0f<\/em>\u5728WebAppProxy\u670d\u52a1\u5668\u4e0a\u8fd0\u884c\u3002\u5982\u679c\u5c06\u591a\u4e2a\u670d\u52a1\u5668\u7528\u4e8e\u8d1f\u8f7d\u5e73\u8861\uff0c\u5219\u5e94\u5728\u6bcf\u4e2a\u670d\u52a1\u5668\u4e0a\u8fd0\u884c\u8be5\u670d\u52a1\u5668\uff1a<\/p>\n<pre><code>[yarn]$ $HADOOP_HOME\/bin\/yarn --daemon start proxyserver<\/code><\/pre>\n<p>\u5982\u679c\u914d\u7f6e\u4e86<code>etc\/hadoop\/workers<\/code>\u548cssh\u4fe1\u4efb\u8bbf\u95ee\u6743\u9650\uff08\u8bf7\u53c2\u9605\u201c<a href=\"https:\/\/hadoop.apache.org\/docs\/stable\/hadoop-project-dist\/hadoop-common\/SingleCluster.html\">\u5355\u8282\u70b9\u8bbe\u7f6e\u201d<\/a>\uff09\uff0c\u5219\u53ef\u4ee5\u4f7f\u7528\u5b9e\u7528\u7a0b\u5e8f\u811a\u672c\u6765\u542f\u52a8\u6240\u6709YARN\u8fdb\u7a0b\u3002\u4f5c\u4e3a<em>\u7eb1\u7ebf<\/em>\uff1a<\/p>\n<pre><code>[yarn]$ $HADOOP_HOME\/sbin\/start-yarn.sh<\/code><\/pre>\n<p>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u542f\u52a8MapReduce JobHistory Server\uff0c\u5e76\u5728\u6307\u5b9a\u670d\u52a1\u5668\u4e0a\u4ee5<em>mapred\u8fd0\u884c<\/em>\uff1a<\/p>\n<pre><code>[mapred]$ $HADOOP_HOME\/bin\/mapred --daemon start historyserver<\/code><\/pre>\n<h3>Hadoop\u5173\u95ed<\/h3>\n<p>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u505c\u6b62NameNode\uff0c\u5728\u6307\u5b9a\u7684NameNode\u4e0a\u4ee5<em>hdfs\u7684<\/em>\u8eab\u4efd\u8fd0\u884c\uff1a<\/p>\n<pre><code>[hdfs]$ $HADOOP_HOME\/bin\/hdfs --daemon stop namenode<\/code><\/pre>\n<p>\u8fd0\u884c\u811a\u672c\u4ee5\u5c06DataNode\u505c\u6b62\u4e3a<em>hdfs<\/em>\uff1a<\/p>\n<pre><code>[hdfs]$ $HADOOP_HOME\/bin\/hdfs --daemon stop datanode<\/code><\/pre>\n<p>\u5982\u679c\u914d\u7f6e\u4e86<code> etc\/hadoop\/workers<\/code>\u548cssh\u4fe1\u4efb\u8bbf\u95ee\u6743\u9650\uff08\u8bf7\u53c2\u9605\u201c<a href=\"https:\/\/hadoop.apache.org\/docs\/stable\/hadoop-project-dist\/hadoop-common\/SingleCluster.html\">\u5355\u8282\u70b9\u8bbe\u7f6e\u201d<\/a>\uff09\uff0c\u5219\u53ef\u4ee5\u4f7f\u7528\u5b9e\u7528\u7a0b\u5e8f\u811a\u672c\u505c\u6b62\u6240\u6709HDFS\u8fdb\u7a0b\u3002\u4f5c\u4e3a<em>hdfs<\/em>\uff1a<\/p>\n<pre><code>[hdfs]$ $HADOOP_HOME\/sbin\/stop-dfs.sh<\/code><\/pre>\n<p>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u505c\u6b62ResourceManager\uff0c\u5728\u6307\u5b9a\u7684ResourceManager\u4e0a\u4ee5<em>yarn<\/em>\u8eab\u4efd\u8fd0\u884c\uff1a<\/p>\n<pre><code>[yarn]$ $HADOOP_HOME\/bin\/yarn --daemon stop resourcemanager<\/code><\/pre>\n<p>\u8fd0\u884c\u811a\u672c\u4ee5\u7ec8\u6b62<em>\u7eb1\u7ebf<\/em>\u4e0a\u7684\u5de5\u4f5c\u5668\u4e0a\u7684NodeManager \uff1a<\/p>\n<pre><code>[yarn]$ $HADOOP_HOME\/bin\/yarn --daemon stop nodemanager<\/code><\/pre>\n<p>\u5982\u679c\u914d\u7f6e\u4e86<code>etc\/hadoop\/workers <\/code>\u548cssh\u4fe1\u4efb\u8bbf\u95ee\u6743\u9650\uff08\u8bf7\u53c2\u9605<a href=\"https:\/\/hadoop.apache.org\/docs\/stable\/hadoop-project-dist\/hadoop-common\/SingleCluster.html\">\u5355\u8282\u70b9\u8bbe\u7f6e<\/a>\uff09\uff0c\u5219\u53ef\u4ee5\u4f7f\u7528\u5b9e\u7528\u7a0b\u5e8f\u811a\u672c\u505c\u6b62\u6240\u6709YARN\u8fdb\u7a0b\u3002\u4f5c\u4e3a<em>\u7eb1\u7ebf<\/em>\uff1a<\/p>\n<pre><code>[yarn]$ $HADOOP_HOME\/sbin\/stop-yarn.sh<\/code><\/pre>\n<p>\u505c\u6b62WebAppProxy\u670d\u52a1\u5668\u3002\u4ee5<em>yarn\u7684\u5f62\u5f0f<\/em>\u5728WebAppProxy\u670d\u52a1\u5668\u4e0a\u8fd0\u884c\u3002\u5982\u679c\u5c06\u591a\u4e2a\u670d\u52a1\u5668\u7528\u4e8e\u8d1f\u8f7d\u5e73\u8861\uff0c\u5219\u5e94\u5728\u6bcf\u4e2a\u670d\u52a1\u5668\u4e0a\u8fd0\u884c\u8be5\u670d\u52a1\u5668\uff1a<\/p>\n<pre><code>[yarn]$ $HADOOP_HOME\/bin\/yarn stop proxyserver<\/code><\/pre>\n<p>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u505c\u6b62MapReduce JobHistory\u670d\u52a1\u5668\uff0c\u4ee5<em>mapred<\/em>\u5728\u6307\u5b9a\u7684\u670d\u52a1\u5668\u4e0a\u8fd0\u884c\uff1a<\/p>\n<pre><code>[mapred]$ $HADOOP_HOME\/bin\/mapred --daemon stop historyserver<\/code><\/pre>\n<h2>Web\u754c\u9762<\/h2>\n<p>Hadoop\u96c6\u7fa4\u542f\u52a8\u5e76\u8fd0\u884c\u540e\uff0c\u5982\u4e0b\u6240\u8ff0\u68c0\u67e5\u7ec4\u4ef6\u7684Web UI\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left;\">\u5b88\u62a4\u8fdb\u7a0b<\/th>\n<th style=\"text-align: left;\">\u7f51\u9875\u754c\u9762<\/th>\n<th style=\"text-align: left;\">\u7b14\u8bb0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left;\">NameNode<\/td>\n<td style=\"text-align: left;\"><a href=\"http:\/\/nn_host:port\/\">http\uff1a\/\/ nn_host\uff1aport \/<\/a><\/td>\n<td style=\"text-align: left;\">\u9ed8\u8ba4\u7684HTTP\u7aef\u53e3\u662f9870\u3002<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">ResourceManager<\/td>\n<td style=\"text-align: left;\"><a href=\"http:\/\/rm_host:port\/\">http\uff1a\/\/ rm_host\uff1aport \/<\/a><\/td>\n<td style=\"text-align: left;\">\u9ed8\u8ba4\u7684HTTP\u7aef\u53e3\u4e3a8088\u3002<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left;\">MapReduce JobHistory Server<\/td>\n<td style=\"text-align: left;\"><a href=\"http:\/\/jhs_host:port\/\">http\uff1a\/\/ jhs_host\uff1aport \/<\/a><\/td>\n<td style=\"text-align: left;\">\u9ed8\u8ba4\u7684HTTP\u7aef\u53e3\u662f19888\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>Hadoop\u96c6\u7fa4\u8bbe\u7f6e \u76ee\u7684 \u5148\u51b3\u6761\u4ef6 \u5b89\u88c5 \u5728\u975e\u5b89\u5168\u6a21\u5f0f\u4e0b\u914d\u7f6eHadoop Hadoop\u5b88\u62a4\u7a0b\u5e8f\u7684\u914d\u7f6e\u73af\u5883 \u914d<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17,18,74],"tags":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Hadoop\u96c6\u7fa4\u8bbe\u7f6e - Linux\u81ea\u52a8\u5316\u8fd0\u7ef4<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.linuxdevops.cn\/2021\/03\/hadoop-cluster-settings\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Hadoop\u96c6\u7fa4\u8bbe\u7f6e - Linux\u81ea\u52a8\u5316\u8fd0\u7ef4\" \/>\n<meta property=\"og:description\" content=\"Hadoop\u96c6\u7fa4\u8bbe\u7f6e \u76ee\u7684 \u5148\u51b3\u6761\u4ef6 \u5b89\u88c5 \u5728\u975e\u5b89\u5168\u6a21\u5f0f\u4e0b\u914d\u7f6eHadoop Hadoop\u5b88\u62a4\u7a0b\u5e8f\u7684\u914d\u7f6e\u73af\u5883 \u914d\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.linuxdevops.cn\/2021\/03\/hadoop-cluster-settings\/\" \/>\n<meta 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class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.linuxdevops.cn\/2021\/03\/hadoop-cluster-settings\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.linuxdevops.cn\/2021\/03\/hadoop-cluster-settings\/\"},\"author\":{\"name\":\"\u7ba1\u7406\u5458\",\"@id\":\"https:\/\/www.linuxdevops.cn\/#\/schema\/person\/3e206335d5796fdd8679e449df72a0d1\"},\"headline\":\"Hadoop\u96c6\u7fa4\u8bbe\u7f6e\",\"datePublished\":\"2021-03-11T03:48:26+00:00\",\"dateModified\":\"2021-03-16T03:45:16+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.linuxdevops.cn\/2021\/03\/hadoop-cluster-settings\/\"},\"wordCount\":380,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.linuxdevops.cn\/#\/schema\/person\/3e206335d5796fdd8679e449df72a0d1\"},\"articleSection\":[\"Linux\",\"Linux\u670d\u52a1\",\"\u5927\u6570\u636e\"],\"inLanguage\":\"zh-CN\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.linuxdevops.cn\/2021\/03\/hadoop-cluster-settings\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.linuxdevops.cn\/2021\/03\/hadoop-cluster-settings\/\",\"url\":\"https:\/\/www.linuxdevops.cn\/2021\/03\/hadoop-cluster-settings\/\",\"name\":\"Hadoop\u96c6\u7fa4\u8bbe\u7f6e 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