{"id":20274,"date":"2013-05-10T12:52:14","date_gmt":"2013-05-10T07:22:14","guid":{"rendered":"http:\/\/vskills.in\/certification\/tutorial\/?p=20274"},"modified":"2024-04-12T14:16:38","modified_gmt":"2024-04-12T08:46:38","slug":"installation-of-apache-cassandra","status":"publish","type":"page","link":"https:\/\/www.vskills.in\/certification\/tutorial\/installation-of-apache-cassandra\/","title":{"rendered":"Installation of Apache Cassandra"},"content":{"rendered":"<p><a class=\"vsc\" href=\"http:\/\/www.vskills.in\/certification\/Certified-Cassandra-Professional\"><span class=\"vsc-cn\" style=\"text-align: center;\"><span style=\"color: red;\">Certify and Increase Opportunity.<\/span><br><span style=\"color: green;\">Be <\/span><br>Govt. Certified Apache Cassandra Professional<br><\/span><\/a><\/p>\n<h3><strong>Installation of Apache Cassandra<\/strong><\/h3>\n<p style=\"text-align: center;\"><a ref=\"magnificPopup\" href=\"http:\/\/vskills.in\/certification\/tutorial\/wp-content\/uploads\/2013\/05\/Apache-Cassandra.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-32241\" src=\"http:\/\/vskills.in\/certification\/tutorial\/wp-content\/uploads\/2013\/05\/Apache-Cassandra.jpg\" alt=\"Apache Cassandra\" width=\"276\" height=\"182\"><\/a><\/p>\n<p style=\"text-align: left;\">Installation of Casandra involves two steps &#8211; download and install as<\/p>\n<p style=\"text-align: left;\">Step 1: Download Cassandra<\/p>\n<ul>\n<li>Download links for the latest stable release can always be found on the website.<\/li>\n<li>Users of Debian or Debian-based derivatives can install the latest stable release in package form.<\/li>\n<li>Users of RPM-based distributions can get packages from Datastax.<\/li>\n<\/ul>\n<p style=\"text-align: left;\">Step 2: Basic Configuration<br>The Cassandra configuration files can be found in the conf directory of binary and source distributions. If you have installed Cassandra from a deb or rpm package, the configuration files will be located in \/etc\/cassandra.<\/p>\n<p style=\"text-align: left;\">Platform specific installation is discussed as &#8211;<\/p>\n<p><strong>Cassandra installation on Windows 7<\/strong><br>1. Cassandra is java based application, so first of all you need to install java on your machine. Latest JRE you can download from here: <a href=\"http:\/\/www.oracle.com\/technetwork\/java\/javase\/downloads\/index.html\">http:\/\/www.oracle.com\/technetwork\/java\/javase\/downloads\/index.html<\/a><\/p>\n<p>2. Download Cassandra binary files from here: <a href=\"http:\/\/cassandra.apache.org\/download\/\">http:\/\/cassandra.apache.org\/download\/<\/a><\/p>\n<p>3. Extract Cassandra source files. e.g. to D:\\cassandra<\/p>\n<p>4. set environment variables. (Go to&nbsp; System Properties -&gt; Tab Advanced -&gt; button Environment Variables &#8230; and add system variables here)<br>JAVA_HOME=c:\\Program Files\\Java\\jre6\\ (it should be path to jre directory, not to bin directory &#8230; value I used can be different on your machine)<br>CASSANDRA_HOME=d:\\cassandra<\/p>\n<p>5. modify config file d:\\cassandra\\conf\\storage-conf.xml A sample changes are as :<\/p>\n<p>&lt;CommitLogDirectory&gt;\/var\/lib\/cassandra\/commitlog&lt;\/CommitLogDirectory&gt;<\/p>\n<p>to<\/p>\n<p>&lt;CommitLogDirectory&gt;d:\/cassandra\/commitlog&lt;\/CommitLogDirectory&gt;<\/p>\n<p>also I created directory d:\/cassandra\/commitlog<\/p>\n<p>Next change was:<\/p>\n<p>\/var\/lib\/cassandra\/data<\/p>\n<p>I changed it to<\/p>\n<p>&lt;DataFileDirectory&gt;d:\/cassandra\/data&lt;\/DataFileDirectory&gt;<\/p>\n<p>and again I created directory d:\/cassandra\/data<\/p>\n<p>6. You are ready to start Cassandra. Go to directory d:\\cassandra\\bin\\ and start cassandra.bat<\/p>\n<p>You should see output like this:<\/p>\n<p>D:\\cassandra\\bin&gt;cassandra.bat<br>Starting Cassandra Server<br>Listening for transport dt_socket at address: 8888<br>INFO 13:47:17,274 DiskAccessMode &#8216;auto&#8217; determined to be mmap, indexAccessMode<br>is mmap<br>INFO 13:47:17,808 Saved Token not found. Using 15738447088364600050102917327157<br>1041806<br>INFO 13:47:17,809 Saved ClusterName not found. Using Test Cluster<br>INFO 13:47:17,815 Creating new commitlog segment d:\/cassandra\/commitlog\\CommitL<br>og-1280922437815.log<br>INFO 13:47:17,886 LocationInfo has reached its threshold; switching in a fresh<br>Memtable at CommitLogContext(file=&#8217;d:\/cassandra\/commitlog\\CommitLog-128092243781<br>5.log&#8217;, position=419)<br>INFO 13:47:17,903 Enqueuing flush of Memtable-LocationInfo@1370440457(169 bytes<br>, 4 operations)<br>INFO 13:47:17,905 Writing Memtable-LocationInfo@1370440457(169 bytes, 4 operati<br>ons)<br>INFO 13:47:18,082 Completed flushing d:\\cassandra\\data\\system\\LocationInfo-1-Da<br>ta.db<br>INFO 13:47:18,122 Starting up server gossip<br>INFO 13:47:18,196 Binding thrift service to localhost\/127.0.0.1:9160<br>INFO 13:47:18,204 Cassandra starting up&#8230;<\/p>\n<p><\/p>\n<hr>\n<p><strong>&nbsp;Installing Apache Cassandra on Ubuntu 12.04<\/strong><\/p>\n<ul>\n<li>Install the new updates using following commands<\/li>\n<\/ul>\n<p>view plainprint?<br>sudo apt-get update<br>sudo apt-get upgrade<\/p>\n<ul>\n<li>&nbsp;&nbsp;&nbsp; open \/etc\/apt\/sources.list using the following command<\/li>\n<\/ul>\n<p>view plainprint?<br>sudo gedit \/etc\/apt\/sources.list<\/p>\n<ul>\n<li>&nbsp;&nbsp;&nbsp; and add the following lines to it<\/li>\n<\/ul>\n<p>view plainprint?<br>deb http:\/\/www.apache.org\/dist\/cassandra\/debian 10x main<br>deb-src http:\/\/www.apache.org\/dist\/cassandra\/debian 10x main<\/p>\n<ul>\n<li>&nbsp;&nbsp;&nbsp; Run update again and you will get the following error. This means you need to add the PUBLIC_KEY. In next step you will understand how to add this PUBLIC_KEY.<\/li>\n<\/ul>\n<p>view plainprint?<br>GPG error: http:\/\/www.apache.org unstable Release: The following signatures couldn&#8217;t be verified because the public key is not available: NO_PUBKEY 4BD736A82B5C1B00<\/p>\n<ul>\n<li>&nbsp;&nbsp;&nbsp; Register and add a PUBLIC_KEY key and update again, note that you may need to change the key accordingly<\/li>\n<\/ul>\n<p>view plainprint?<br>gpg &#8211;keyserver wwwkeys.pgp.net &#8211;recv-keys 4BD736A82B5C1B00<br>sudo apt-key add ~\/.gnupg\/pubring.gpg<br>sudo apt-get update<\/p>\n<ul>\n<li>&nbsp;&nbsp;&nbsp; Install Cassandra using the following command<\/li>\n<\/ul>\n<p>view plainprint?<br>sudo apt-get install cassandra<\/p>\n<ul>\n<li>&nbsp;&nbsp;&nbsp; Start Cassandra server using the following command<\/li>\n<\/ul>\n<p>view plainprint?<br>sudo cassandra -f<\/p>\n<p>Installation will create following directories. Uses of them are mentioned within the brackets.<\/p>\n<p>\/var\/lib\/cassandra (data directories)<br>\/var\/log\/cassandra (log directory)<br>\/var\/run\/cassandra (runtime files)<br>\/usr\/share\/cassandra (environment settings)<br>\/usr\/share\/cassandra\/lib (JAR files)<br>\/usr\/bin (binary files)<br>\/usr\/sbin<br>\/etc\/cassandra (configuration files)<br>\/etc\/init.d (service startup script)<br>\/etc\/security\/limits.d (cassandra user limits)<br>\/etc\/default<\/p>\n<p>Installing JNA (Java Native Access) on Linux platforms can improve Cassandra memory usage. Install JNA, and add it to \/usr\/share\/cassandra\/lib directory.<\/p>\n<p>Here the packaged installation of Apache Cassandra has been done.<\/p>\n<p><\/p>\n<p><strong>Installing the Cassandra Binary Tarball Distribution<\/strong><\/p>\n<p>DataStax provides binary tarball distributions of Cassandra for installing on platforms that do not have package support, such as Mac, or if you do not have or want to do a root installation. For a complete list of supported platforms, see DataStax Community \u2013 Supported Platforms.<\/p>\n<p><span style=\"text-decoration: underline;\">Prerequisites<\/span><\/p>\n<p>Before installing Cassandra make sure the following prerequisites are met:<\/p>\n<ul>\n<li>Oracle Java SE Runtime Environment (JRE) 6. Java 7 is not recommended.<\/li>\n<li>Java Native Access (JNA) is required for production installations.<\/li>\n<\/ul>\n<p>Steps to Install Cassandra<\/p>\n<ul>\n<li>Check which version of Java is installed by running the following command in a terminal window:<\/li>\n<\/ul>\n<p>java -version<\/p>\n<p>DataStax recommends using the most recently released version of Oracle Java SE Runtime Environment (JRE) 6 on all DSE nodes. Versions earlier than 1.6.0_19 should not be used. Java 7 is not recommended. If you need help installing Java, see Installing Oracle JRE.<\/p>\n<ul>\n<li>Download the Cassandra DataStax Community tarball:<\/li>\n<\/ul>\n<p>$ curl -OL http:\/\/downloads.datastax.com\/community\/dsc-cassandra-1.0.9-bin.tar.gz<\/p>\n<ul>\n<li>Unpack the distribution:<\/li>\n<\/ul>\n<p>$ tar -xvzf dsc-cassandra-1.0.9-bin.tar.gz<br>$ rm *.tar.gz<\/p>\n<ul>\n<li>By default, Cassandra installs files into the \/var\/lib\/cassandra and \/var\/log\/cassandra directories.<\/li>\n<\/ul>\n<p>If you do not have root access to the default directories, ensure you have write access as follows:<\/p>\n<p>$ sudo mkdir \/var\/lib\/cassandra<br>$ sudo mkdir \/var\/log\/cassandra<br>$ sudo chown -R $USER:$GROUP \/var\/lib\/cassandra<br>$ sudo chown -R $USER:$GROUP \/var\/log\/cassandra<\/p>\n<p><span style=\"text-decoration: underline;\">Next Steps<\/span><\/p>\n<ul>\n<li>Initializing a Multiple Node Cluster in a Single Data Center<\/li>\n<li>Initializing Multiple Data Center Clusters on Cassandra<\/li>\n<li>Install Locations<\/li>\n<\/ul>\n<div class=\"apply\">\n<h3>Apply for Apache Cassandra Certification Now!!<\/h3>\n<p><a href=\"http:\/\/www.vskills.in\/certification\/Certified-Cassandra-Professional\">http:\/\/www.vskills.in\/certification\/Certified-Apache-Cassandra-Professional<\/a><\/p>\n<h4>Go to Tutorial- <a href=\"https:\/\/www.vskills.in\/certification\/tutorial\/apache-cassandra-professional\/\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>Certified Apache Cassandra Professional Tutorial<\/strong><\/a><\/h4>\n<\/div>\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Certify and Increase Opportunity.Be Govt. Certified Apache Cassandra Professional Installation of Apache Cassandra Installation of Casandra involves two steps &#8211; download and install as Step 1: Download Cassandra Download links for the latest stable release can always be found on the website. Users of Debian or Debian-based derivatives can install the latest stable release in&#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":[63],"tags":[],"class_list":["post-20274","page","type-page","status-publish","hentry","category-apache-cassandra"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Installation of Apache Cassandra - Tutorial<\/title>\n<meta name=\"description\" content=\"Installation of Apache Cassandra Vskills Government Certification in Apache Cassandra is very popular in India amongst developers working in the IT Bid data industry.\" \/>\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\/installation-of-apache-cassandra\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Installation of Apache Cassandra - 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