{"id":109287,"date":"2021-02-19T12:05:06","date_gmt":"2021-02-19T06:35:06","guid":{"rendered":"https:\/\/www.vskills.in\/certification\/tutorial\/?page_id=109287"},"modified":"2024-04-12T14:30:31","modified_gmt":"2024-04-12T09:00:31","slug":"cluster-testing","status":"publish","type":"page","link":"https:\/\/www.vskills.in\/certification\/tutorial\/cluster-testing\/","title":{"rendered":"Cluster Testing"},"content":{"rendered":"\n<p>In order to check that the configuration has been set up correctly, start up HDFS. To start a Hadoop cluster you will need to start both the HDFS and YARN cluster.<\/p>\n\n\n\n<p>Format a new distributed filesystem:<\/p>\n\n\n\n<p>$ $HADOOP_PREFIX\/bin\/hdfs namenode -format &lt;cluster_name&gt;<\/p>\n\n\n\n<p>Start the HDFS with the following command, run on the designated NameNode:<\/p>\n\n\n\n<p>$ $HADOOP_PREFIX\/sbin\/hadoop-daemon.sh &#8211;config $HADOOP_CONF_DIR &#8211;script hdfs start namenode<\/p>\n\n\n\n<p>Run a script to start DataNodes on all slaves:<\/p>\n\n\n\n<p>$ $HADOOP_PREFIX\/sbin\/hadoop-daemon.sh &#8211;config $HADOOP_CONF_DIR &#8211;script hdfs start datanode<\/p>\n\n\n\n<p>Start the YARN with the following command, run on the designated ResourceManager:<\/p>\n\n\n\n<p>$ $HADOOP_YARN_HOME\/sbin\/yarn-daemon.sh &#8211;config $HADOOP_CONF_DIR start resourcemanager<\/p>\n\n\n\n<p>Run a script to start NodeManagers on all slaves:<\/p>\n\n\n\n<p>$ $HADOOP_YARN_HOME\/sbin\/yarn-daemon.sh &#8211;config $HADOOP_CONF_DIR start nodemanager<\/p>\n\n\n\n<p>Start a standalone WebAppProxy server. If multiple servers are used with load balancing it should be run on each of them:<\/p>\n\n\n\n<p>$ $HADOOP_YARN_HOME\/sbin\/yarn-daemon.sh start proxyserver &#8211;config $HADOOP_CONF_DIR<\/p>\n\n\n\n<p>Start the MapReduce JobHistory Server with the following command, run on the designated server:<\/p>\n\n\n\n<p>$ $HADOOP_PREFIX\/sbin\/mr-jobhistory-daemon.sh start historyserver &#8211;config $HADOOP_CONF_DIR<\/p>\n\n\n\n<p><strong>Hadoop Shutdown<\/strong><\/p>\n\n\n\n<p>Stop the NameNode with the following command, run on the designated NameNode:<\/p>\n\n\n\n<p>$ $HADOOP_PREFIX\/sbin\/hadoop-daemon.sh &#8211;config $HADOOP_CONF_DIR &#8211;script hdfs stop namenode<\/p>\n\n\n\n<p>Run a script to stop DataNodes on all slaves:<\/p>\n\n\n\n<p>$ $HADOOP_PREFIX\/sbin\/hadoop-daemon.sh &#8211;config $HADOOP_CONF_DIR &#8211;script hdfs stop datanode<\/p>\n\n\n\n<p>Stop the ResourceManager with the following command, run on the designated ResourceManager:<\/p>\n\n\n\n<p>$ $HADOOP_YARN_HOME\/sbin\/yarn-daemon.sh &#8211;config $HADOOP_CONF_DIR stop resourcemanager<\/p>\n\n\n\n<p>Run a script to stop NodeManagers on all slaves:<\/p>\n\n\n\n<p>$ $HADOOP_YARN_HOME\/sbin\/yarn-daemon.sh &#8211;config $HADOOP_CONF_DIR stop nodemanager<\/p>\n\n\n\n<p>Stop the WebAppProxy server. If multiple servers are used with load balancing it should be run on each of them:<\/p>\n\n\n\n<p>$ $HADOOP_YARN_HOME\/sbin\/yarn-daemon.sh stop proxyserver &#8211;config $HADOOP_CONF_DIR<\/p>\n\n\n\n<p>Stop the MapReduce JobHistory Server with the following command, run on the designated server:<\/p>\n\n\n\n<p>$ $HADOOP_PREFIX\/sbin\/mr-jobhistory-daemon.sh stop historyserver &#8211;config $HADOOP_CONF_DIR<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In order to check that the configuration has been set up correctly, start up HDFS. To start a Hadoop cluster you will need to start both the HDFS and YARN cluster. Format a new distributed filesystem: $ $HADOOP_PREFIX\/bin\/hdfs namenode -format &lt;cluster_name&gt; Start the HDFS with the following command, run on the designated NameNode: $ $HADOOP_PREFIX\/sbin\/hadoop-daemon.sh&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-109287","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Cluster Testing - Tutorial<\/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.vskills.in\/certification\/tutorial\/cluster-testing\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cluster Testing - Tutorial\" \/>\n<meta property=\"og:description\" content=\"In order to check that the configuration has been set up correctly, start up HDFS. 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