{"id":12925,"date":"2013-05-17T16:00:13","date_gmt":"2013-05-17T13:00:13","guid":{"rendered":"http:\/\/www.javacodegeeks.com\/?p=12925"},"modified":"2013-05-17T11:30:58","modified_gmt":"2013-05-17T08:30:58","slug":"hadoop-setup-on-single-node-and-multi-node","status":"publish","type":"post","link":"https:\/\/www.javacodegeeks.com\/2013\/05\/hadoop-setup-on-single-node-and-multi-node.html","title":{"rendered":"Hadoop setup on single node and multi node"},"content":{"rendered":"<p>We will describe Hadoop setup on single node and multi node. The Hadoop\u00a0 environment setup and configuration will be described in details. First you need to download the following software (rpm).<\/p>\n<ul>\n<li>Java JDK RPM<\/li>\n<li>Apache Hadoop 0.20.204.0 RPM<\/li>\n<\/ul>\n<h2>A)\u00a0 Single node system Hadoop setup<\/h2>\n<p>1) Install JDK on a Red Hat or CentOS 5+ system.<br \/>\n&nbsp;<\/p>\n<pre class=\" brush:bash\">$ .\/jdk-6u26-linux-x64-rpm.bin.sh<\/pre>\n<p>Java is installed and set JAVA_HOME to \/usr\/java\/default<\/p>\n<p>2) Install Apache Hadoop 0.20.204.<\/p>\n<pre class=\" brush:bash\">$ rpm -i hadoop-0.20.204.0-1.i386.rpm<\/pre>\n<p>3) Setup Apache Hadoop configuration and start Hadoop processes.<\/p>\n<pre class=\" brush:bash\">$ \/usr\/sbin\/hadoop-setup-single-node.sh<\/pre>\n<p>The setup wizard will guide you through a list of questions to setup Hadoop. Hadoop should be running after answering \u2018Y\u2019 to all questions.<\/p>\n<p>Create a user account on HDFS for yourself.<\/p>\n<pre class=\" brush:bash\">$ \/usr\/sbin\/hadoop-create-user.sh -u $USER<\/pre>\n<h2>B)\u00a0 Multi-nodes Hadoop setup<\/h2>\n<p>1) Install both the JDK and Hadoop 0.20.204.0 RPMs on all nodes<\/p>\n<p>2) Generate hadoop configuration on all nodes:<\/p>\n<pre class=\" brush:bash\">$ \/usr\/sbin\/hadoop-setup-conf.sh \\\r\n\r\n  --namenode-url=hdfs:\/\/${namenode}:9000\/ \\\r\n\r\n  --jobtracker-url=${jobtracker}:9001 \\\r\n\r\n  --conf-dir=\/etc\/hadoop \\\r\n\r\n  --hdfs-dir=\/var\/lib\/hadoop\/hdfs \\\r\n\r\n  --namenode-dir=\/var\/lib\/hadoop\/hdfs\/namenode \\\r\n\r\n  --mapred-dir=\/var\/lib\/hadoop\/mapred \\\r\n\r\n  --datanode-dir=\/var\/lib\/hadoop\/hdfs\/data \\\r\n\r\n  --log-dir=\/var\/log\/hadoop \\\r\n\r\n  --auto<\/pre>\n<p>Where ${namenode} and ${jobtracker} should be replaced with hostname of namenode and jobtracker.<div style=\"display:inline-block; margin: 15px 0;\"> <div id=\"adngin-JavaCodeGeeks_incontent_video-0\" style=\"display:inline-block;\"><\/div> <\/div><\/p>\n<p>3) Format namenode and setup default HDFS layout.<\/p>\n<pre class=\" brush:bash\">$ \/usr\/sbin\/hadoop-setup-hdfs.sh<\/pre>\n<p>4) Start all data nodes.<\/p>\n<pre class=\" brush:bash\">$ \/etc\/init.d\/hadoop-datanode start<\/pre>\n<p>5) Start job tracker node.<\/p>\n<pre class=\" brush:bash\">$ \/etc\/init.d\/hadoop-jobtracker start<\/pre>\n<p>6) Start task tracker nodes.<\/p>\n<pre class=\" brush:bash\">$ \/etc\/init.d\/hadoop-tasktracker start<\/pre>\n<p>7) Create a user account on HDFS for yourself.<\/p>\n<pre class=\" brush:bash\">$ \/usr\/sbin\/hadoop-create-user.sh -u $USER<\/pre>\n<h2>C) \u00a0Setup Environment for Hadoop<\/h2>\n<pre class=\" brush:bash\">$ vi ~\/.bash_profile<\/pre>\n<p>In INSERT mode set path for JAVA_HOME<\/p>\n<p>Export JAVA_HOME<\/p>\n<p>Save file by clicking <b>esc:wq<\/b><\/p>\n<p>Run the .bash_profile<\/p>\n<pre class=\" brush:bash\">$ source ~\/.bash_profile<\/pre>\n<p>Set JAVA_HOME path in Hadoop Environment file<\/p>\n<pre class=\" brush:bash\">$ \/etc\/hadoop\/hadoop-env.sh<\/pre>\n<h2>D)Configuration for Hadoop<\/h2>\n<p><b>Use the following: <\/b><\/p>\n<p><b>conf\/core-site.xml:<\/b><\/p>\n<pre class=\" brush:xml\">&lt;configuration&gt;\r\n  &lt;property&gt;\r\n    &lt;name&gt;fs.default.name&lt;\/name&gt;\r\n    &lt;value&gt;hdfs:\/\/localhost:9000&lt;\/value&gt;\r\n  &lt;\/property&gt;\r\n&lt;\/configuration&gt;<\/pre>\n<p><b>conf\/hdfs-site.xml:<\/b><\/p>\n<pre class=\" brush:xml\">&lt;configuration&gt;\r\n  &lt;property&gt;\r\n    &lt;name&gt;dfs.replication&lt;\/name&gt;\r\n    &lt;value&gt;1&lt;\/value&gt;\r\n  &lt;\/property&gt;\r\n&lt;\/configuration&gt;<\/pre>\n<p><b>conf\/mapred-site.xml:<\/b><\/p>\n<pre class=\" brush:xml\">&lt;configuration&gt;\r\n  &lt;property&gt;\r\n    &lt;name&gt;mapred.job.tracker&lt;\/name&gt;\r\n    &lt;value&gt;localhost:9001&lt;\/value&gt;\r\n  &lt;\/property&gt;\r\n&lt;\/configuration&gt;<\/pre>\n<h2>E) Hadoop Commands<\/h2>\n<pre class=\" brush:bash\">$ hadoop\r\n$ hadoop namenode \u2013format (Format the namenode, If ask to\r\nanswer press \u2018Y\u2019)\r\n$ hadoop namenode (Start the namenode)\r\n$ find \/ -name start-dfs.sh (find the file in directory)\r\n$ cd usr\/sbin (Go to respective directory directly)\r\n$ start-dfs.sh\r\n$ start-mapred.sh\r\n\r\n$ hadoop fs \u2013ls \/ (Shows the HDFS root folder)\r\n$ hadooop fs \u2013put input\/file01 \/input\/file01 (Copy local input\/file01 to\r\nHDFS root \/input\/file01)<\/pre>\n<p>&nbsp;<\/p>\n<div style=\"border: 1px solid #D8D8D8; background: #FAFAFA; width: 100%; padding-left: 5px;\"><b><i>Reference: <\/i><\/b><a href=\"http:\/\/techalpine.com\/how-to-set-up-hadoop-in-single-node-and-multi-node\/\">Hadoop setup on single node and multi node<\/a> from our <a href=\"http:\/\/www.javacodegeeks.com\/jcg\">JCG partner<\/a> Kaushik Pal at the <a href=\"http:\/\/techalpine.com\/\">TechAlpine \u2013 The Technology world<\/a> blog.<\/div>\n","protected":false},"excerpt":{"rendered":"<p>We will describe Hadoop setup on single node and multi node. The Hadoop\u00a0 environment setup and configuration will be described in details. First you need to download the following software (rpm). Java JDK RPM Apache Hadoop 0.20.204.0 RPM A)\u00a0 Single node system Hadoop setup 1) Install JDK on a Red Hat or CentOS 5+ system. &hellip;<\/p>\n","protected":false},"author":435,"featured_media":62,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[184,372],"class_list":["post-12925","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-enterprise-java","tag-apache-hadoop","tag-big-data"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Hadoop setup on single node and multi node<\/title>\n<meta name=\"description\" content=\"We will describe Hadoop setup on single node and multi node. The Hadoop\u00a0 environment setup and configuration will be described in details. First you need\" \/>\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.javacodegeeks.com\/2013\/05\/hadoop-setup-on-single-node-and-multi-node.html\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Hadoop setup on single node and multi node\" \/>\n<meta property=\"og:description\" content=\"We will describe Hadoop setup on single node and multi node. The Hadoop\u00a0 environment setup and configuration will be described in details. First you need\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.javacodegeeks.com\/2013\/05\/hadoop-setup-on-single-node-and-multi-node.html\" \/>\n<meta property=\"og:site_name\" content=\"Java Code Geeks\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/javacodegeeks\" \/>\n<meta property=\"article:published_time\" content=\"2013-05-17T13:00:13+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.javacodegeeks.com\/wp-content\/uploads\/2012\/10\/apache-hadoop-logo.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"150\" \/>\n\t<meta property=\"og:image:height\" content=\"150\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Kaushik Pal\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@javacodegeeks\" \/>\n<meta name=\"twitter:site\" content=\"@javacodegeeks\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Kaushik Pal\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.javacodegeeks.com\\\/2013\\\/05\\\/hadoop-setup-on-single-node-and-multi-node.html#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.javacodegeeks.com\\\/2013\\\/05\\\/hadoop-setup-on-single-node-and-multi-node.html\"},\"author\":{\"name\":\"Kaushik Pal\",\"@id\":\"https:\\\/\\\/www.javacodegeeks.com\\\/#\\\/schema\\\/person\\\/f55d97bcbb667fad09fd920ff58241c0\"},\"headline\":\"Hadoop setup on single node and multi node\",\"datePublished\":\"2013-05-17T13:00:13+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.javacodegeeks.com\\\/2013\\\/05\\\/hadoop-setup-on-single-node-and-multi-node.html\"},\"wordCount\":251,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.javacodegeeks.com\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.javacodegeeks.com\\\/2013\\\/05\\\/hadoop-setup-on-single-node-and-multi-node.html#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.javacodegeeks.com\\\/wp-content\\\/uploads\\\/2012\\\/10\\\/apache-hadoop-logo.jpg\",\"keywords\":[\"Apache Hadoop\",\"Big Data\"],\"articleSection\":[\"Enterprise Java\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.javacodegeeks.com\\\/2013\\\/05\\\/hadoop-setup-on-single-node-and-multi-node.html#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.javacodegeeks.com\\\/2013\\\/05\\\/hadoop-setup-on-single-node-and-multi-node.html\",\"url\":\"https:\\\/\\\/www.javacodegeeks.com\\\/2013\\\/05\\\/hadoop-setup-on-single-node-and-multi-node.html\",\"name\":\"Hadoop setup on single node and multi node\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.javacodegeeks.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.javacodegeeks.com\\\/2013\\\/05\\\/hadoop-setup-on-single-node-and-multi-node.html#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.javacodegeeks.com\\\/2013\\\/05\\\/hadoop-setup-on-single-node-and-multi-node.html#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.javacodegeeks.com\\\/wp-content\\\/uploads\\\/2012\\\/10\\\/apache-hadoop-logo.jpg\",\"datePublished\":\"2013-05-17T13:00:13+00:00\",\"description\":\"We will describe Hadoop setup on single node and multi node. The Hadoop\u00a0 environment setup and configuration will be described in details. First you need\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.javacodegeeks.com\\\/2013\\\/05\\\/hadoop-setup-on-single-node-and-multi-node.html#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.javacodegeeks.com\\\/2013\\\/05\\\/hadoop-setup-on-single-node-and-multi-node.html\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.javacodegeeks.com\\\/2013\\\/05\\\/hadoop-setup-on-single-node-and-multi-node.html#primaryimage\",\"url\":\"https:\\\/\\\/www.javacodegeeks.com\\\/wp-content\\\/uploads\\\/2012\\\/10\\\/apache-hadoop-logo.jpg\",\"contentUrl\":\"https:\\\/\\\/www.javacodegeeks.com\\\/wp-content\\\/uploads\\\/2012\\\/10\\\/apache-hadoop-logo.jpg\",\"width\":150,\"height\":150},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.javacodegeeks.com\\\/2013\\\/05\\\/hadoop-setup-on-single-node-and-multi-node.html#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.javacodegeeks.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Java\",\"item\":\"https:\\\/\\\/www.javacodegeeks.com\\\/category\\\/java\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Enterprise Java\",\"item\":\"https:\\\/\\\/www.javacodegeeks.com\\\/category\\\/java\\\/enterprise-java\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Hadoop setup on single node and multi node\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.javacodegeeks.com\\\/#website\",\"url\":\"https:\\\/\\\/www.javacodegeeks.com\\\/\",\"name\":\"Java Code Geeks\",\"description\":\"Java Developers Resource Center\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.javacodegeeks.com\\\/#organization\"},\"alternateName\":\"JCG\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.javacodegeeks.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.javacodegeeks.com\\\/#organization\",\"name\":\"Exelixis Media P.C.\",\"url\":\"https:\\\/\\\/www.javacodegeeks.com\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/www.javacodegeeks.com\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.javacodegeeks.com\\\/wp-content\\\/uploads\\\/2022\\\/06\\\/exelixis-logo.png\",\"contentUrl\":\"https:\\\/\\\/www.javacodegeeks.com\\\/wp-content\\\/uploads\\\/2022\\\/06\\\/exelixis-logo.png\",\"width\":864,\"height\":246,\"caption\":\"Exelixis Media P.C.\"},\"image\":{\"@id\":\"https:\\\/\\\/www.javacodegeeks.com\\\/#\\\/schema\\\/logo\\\/image\\\/\"},\"sameAs\":[\"https:\\\/\\\/www.facebook.com\\\/javacodegeeks\",\"https:\\\/\\\/x.com\\\/javacodegeeks\"]},{\"@type\":\"Person\",\"@id\":\"https:\\\/\\\/www.javacodegeeks.com\\\/#\\\/schema\\\/person\\\/f55d97bcbb667fad09fd920ff58241c0\",\"name\":\"Kaushik Pal\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/adef7fefc125ddbf673e62d843a68595a91b537d91016bb71e69cc8f7a148ec1?s=96&d=mm&r=g\",\"url\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/adef7fefc125ddbf673e62d843a68595a91b537d91016bb71e69cc8f7a148ec1?s=96&d=mm&r=g\",\"contentUrl\":\"https:\\\/\\\/secure.gravatar.com\\\/avatar\\\/adef7fefc125ddbf673e62d843a68595a91b537d91016bb71e69cc8f7a148ec1?s=96&d=mm&r=g\",\"caption\":\"Kaushik Pal\"},\"description\":\"Kaushik has 16 years of experience as a technical architect and software consultant in enterprise application and product development. He has interest in new technology and innovation area along with technical writing. His main focus is on web architecture, web technologies, java\\\/j2ee, Open source, big data and semantic technologies. He has demonstrated his expertise in requirement analysis, architecture design &amp; implementation, technical use case preparation, and software development. His experience has spanned in different domains like Insurance, banking, airlines, shipping, document management etc. Kaushik worked with a wide variety of technologies starting from Mainframe (IBM S\\\/390), midrange (AS\\\/400), web technologies and open source area. He has worked with clients like IBM, Lexmark, United Airlines and many more.\",\"sameAs\":[\"http:\\\/\\\/www.techalpine.com\\\/\"],\"url\":\"https:\\\/\\\/www.javacodegeeks.com\\\/author\\\/kaushik-pal\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Hadoop setup on single node and multi node","description":"We will describe Hadoop setup on single node and multi node. The Hadoop\u00a0 environment setup and configuration will be described in details. First you need","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.javacodegeeks.com\/2013\/05\/hadoop-setup-on-single-node-and-multi-node.html","og_locale":"en_US","og_type":"article","og_title":"Hadoop setup on single node and multi node","og_description":"We will describe Hadoop setup on single node and multi node. The Hadoop\u00a0 environment setup and configuration will be described in details. First you need","og_url":"https:\/\/www.javacodegeeks.com\/2013\/05\/hadoop-setup-on-single-node-and-multi-node.html","og_site_name":"Java Code Geeks","article_publisher":"https:\/\/www.facebook.com\/javacodegeeks","article_published_time":"2013-05-17T13:00:13+00:00","og_image":[{"width":150,"height":150,"url":"https:\/\/www.javacodegeeks.com\/wp-content\/uploads\/2012\/10\/apache-hadoop-logo.jpg","type":"image\/jpeg"}],"author":"Kaushik Pal","twitter_card":"summary_large_image","twitter_creator":"@javacodegeeks","twitter_site":"@javacodegeeks","twitter_misc":{"Written by":"Kaushik Pal","Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.javacodegeeks.com\/2013\/05\/hadoop-setup-on-single-node-and-multi-node.html#article","isPartOf":{"@id":"https:\/\/www.javacodegeeks.com\/2013\/05\/hadoop-setup-on-single-node-and-multi-node.html"},"author":{"name":"Kaushik Pal","@id":"https:\/\/www.javacodegeeks.com\/#\/schema\/person\/f55d97bcbb667fad09fd920ff58241c0"},"headline":"Hadoop setup on single node and multi node","datePublished":"2013-05-17T13:00:13+00:00","mainEntityOfPage":{"@id":"https:\/\/www.javacodegeeks.com\/2013\/05\/hadoop-setup-on-single-node-and-multi-node.html"},"wordCount":251,"commentCount":0,"publisher":{"@id":"https:\/\/www.javacodegeeks.com\/#organization"},"image":{"@id":"https:\/\/www.javacodegeeks.com\/2013\/05\/hadoop-setup-on-single-node-and-multi-node.html#primaryimage"},"thumbnailUrl":"https:\/\/www.javacodegeeks.com\/wp-content\/uploads\/2012\/10\/apache-hadoop-logo.jpg","keywords":["Apache Hadoop","Big Data"],"articleSection":["Enterprise Java"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.javacodegeeks.com\/2013\/05\/hadoop-setup-on-single-node-and-multi-node.html#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.javacodegeeks.com\/2013\/05\/hadoop-setup-on-single-node-and-multi-node.html","url":"https:\/\/www.javacodegeeks.com\/2013\/05\/hadoop-setup-on-single-node-and-multi-node.html","name":"Hadoop setup on single node and multi node","isPartOf":{"@id":"https:\/\/www.javacodegeeks.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.javacodegeeks.com\/2013\/05\/hadoop-setup-on-single-node-and-multi-node.html#primaryimage"},"image":{"@id":"https:\/\/www.javacodegeeks.com\/2013\/05\/hadoop-setup-on-single-node-and-multi-node.html#primaryimage"},"thumbnailUrl":"https:\/\/www.javacodegeeks.com\/wp-content\/uploads\/2012\/10\/apache-hadoop-logo.jpg","datePublished":"2013-05-17T13:00:13+00:00","description":"We will describe Hadoop setup on single node and multi node. The Hadoop\u00a0 environment setup and configuration will be described in details. First you need","breadcrumb":{"@id":"https:\/\/www.javacodegeeks.com\/2013\/05\/hadoop-setup-on-single-node-and-multi-node.html#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.javacodegeeks.com\/2013\/05\/hadoop-setup-on-single-node-and-multi-node.html"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.javacodegeeks.com\/2013\/05\/hadoop-setup-on-single-node-and-multi-node.html#primaryimage","url":"https:\/\/www.javacodegeeks.com\/wp-content\/uploads\/2012\/10\/apache-hadoop-logo.jpg","contentUrl":"https:\/\/www.javacodegeeks.com\/wp-content\/uploads\/2012\/10\/apache-hadoop-logo.jpg","width":150,"height":150},{"@type":"BreadcrumbList","@id":"https:\/\/www.javacodegeeks.com\/2013\/05\/hadoop-setup-on-single-node-and-multi-node.html#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.javacodegeeks.com\/"},{"@type":"ListItem","position":2,"name":"Java","item":"https:\/\/www.javacodegeeks.com\/category\/java"},{"@type":"ListItem","position":3,"name":"Enterprise Java","item":"https:\/\/www.javacodegeeks.com\/category\/java\/enterprise-java"},{"@type":"ListItem","position":4,"name":"Hadoop setup on single node and multi node"}]},{"@type":"WebSite","@id":"https:\/\/www.javacodegeeks.com\/#website","url":"https:\/\/www.javacodegeeks.com\/","name":"Java Code Geeks","description":"Java Developers Resource Center","publisher":{"@id":"https:\/\/www.javacodegeeks.com\/#organization"},"alternateName":"JCG","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.javacodegeeks.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.javacodegeeks.com\/#organization","name":"Exelixis Media P.C.","url":"https:\/\/www.javacodegeeks.com\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.javacodegeeks.com\/#\/schema\/logo\/image\/","url":"https:\/\/www.javacodegeeks.com\/wp-content\/uploads\/2022\/06\/exelixis-logo.png","contentUrl":"https:\/\/www.javacodegeeks.com\/wp-content\/uploads\/2022\/06\/exelixis-logo.png","width":864,"height":246,"caption":"Exelixis Media P.C."},"image":{"@id":"https:\/\/www.javacodegeeks.com\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.facebook.com\/javacodegeeks","https:\/\/x.com\/javacodegeeks"]},{"@type":"Person","@id":"https:\/\/www.javacodegeeks.com\/#\/schema\/person\/f55d97bcbb667fad09fd920ff58241c0","name":"Kaushik Pal","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/secure.gravatar.com\/avatar\/adef7fefc125ddbf673e62d843a68595a91b537d91016bb71e69cc8f7a148ec1?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/adef7fefc125ddbf673e62d843a68595a91b537d91016bb71e69cc8f7a148ec1?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/adef7fefc125ddbf673e62d843a68595a91b537d91016bb71e69cc8f7a148ec1?s=96&d=mm&r=g","caption":"Kaushik Pal"},"description":"Kaushik has 16 years of experience as a technical architect and software consultant in enterprise application and product development. He has interest in new technology and innovation area along with technical writing. His main focus is on web architecture, web technologies, java\/j2ee, Open source, big data and semantic technologies. He has demonstrated his expertise in requirement analysis, architecture design &amp; implementation, technical use case preparation, and software development. His experience has spanned in different domains like Insurance, banking, airlines, shipping, document management etc. Kaushik worked with a wide variety of technologies starting from Mainframe (IBM S\/390), midrange (AS\/400), web technologies and open source area. He has worked with clients like IBM, Lexmark, United Airlines and many more.","sameAs":["http:\/\/www.techalpine.com\/"],"url":"https:\/\/www.javacodegeeks.com\/author\/kaushik-pal"}]}},"_links":{"self":[{"href":"https:\/\/www.javacodegeeks.com\/wp-json\/wp\/v2\/posts\/12925","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.javacodegeeks.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.javacodegeeks.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.javacodegeeks.com\/wp-json\/wp\/v2\/users\/435"}],"replies":[{"embeddable":true,"href":"https:\/\/www.javacodegeeks.com\/wp-json\/wp\/v2\/comments?post=12925"}],"version-history":[{"count":0,"href":"https:\/\/www.javacodegeeks.com\/wp-json\/wp\/v2\/posts\/12925\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.javacodegeeks.com\/wp-json\/wp\/v2\/media\/62"}],"wp:attachment":[{"href":"https:\/\/www.javacodegeeks.com\/wp-json\/wp\/v2\/media?parent=12925"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.javacodegeeks.com\/wp-json\/wp\/v2\/categories?post=12925"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.javacodegeeks.com\/wp-json\/wp\/v2\/tags?post=12925"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}