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{"id":444,"date":"2021-07-13T05:44:49","date_gmt":"2021-07-13T05:44:49","guid":{"rendered":"https:\/\/www.wikitechy.com\/interview-questions\/?p=444"},"modified":"2021-09-13T11:07:29","modified_gmt":"2021-09-13T11:07:29","slug":"what-is-the-difference-between-cassandra-and-hadoop","status":"publish","type":"post","link":"https:\/\/www.wikitechy.com\/interview-questions\/cassandra\/what-is-the-difference-between-cassandra-and-hadoop\/","title":{"rendered":"What is the difference between Cassandra and Hadoop ?"},"content":{"rendered":"<div class=\"row\">\n<div class=\"col-sm-12\">\n<div class=\"ImageContent\">\n<div class=\"hddn\"><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter size-medium\" src=\"https:\/\/cdn.wikitechy.com\/interview-questions\/cassandra\/what-is-the-difference-between-cassandra-and-hadoop.png\" alt=\"difference between cassandra and hadoop\" width=\"1082\" height=\"460\" \/><\/div>\n<\/div>\n<div class=\"TextHeading\">\n<div class=\"hddn\">\n<h2 id=\"difference-between-cassandra-and-hadoop\" class=\"color-purple\">Difference between Cassandra and Hadoop:<\/h2>\n<\/div>\n<\/div>\n<table class=\"table-bordered table-striped table table-responsive\">\n<tbody>\n<tr>\n<th>Parameters<\/th>\n<th>Cassandra<\/th>\n<th>Hadoop<\/th>\n<\/tr>\n<tr>\n<td class=\"text-leftalign\">CAP theorem<\/td>\n<td class=\"text-leftalign\">AP<\/td>\n<td class=\"text-leftalign\">CP<\/td>\n<\/tr>\n<tr>\n<td class=\"text-leftalign\">Architecture<\/td>\n<td class=\"text-leftalign\">All nodes are same in Peer-to-Peer<br \/>\nDistributed architecture.<\/td>\n<td class=\"text-leftalign\">Master\/Slave. Name Node act as Master and data node act as worker node.<\/td>\n<\/tr>\n<tr>\n<td class=\"text-leftalign\">Read and Write Design<\/td>\n<td class=\"text-leftalign\">Read and write anywhere model.<\/td>\n<td class=\"text-leftalign\">Write once read many access models.<\/td>\n<\/tr>\n<tr>\n<td class=\"text-leftalign\">Area of utilization<\/td>\n<td class=\"text-leftalign\">Real time online transactional processing<\/td>\n<td class=\"text-leftalign\">Batch-oriented analytical solutions.<\/td>\n<\/tr>\n<tr>\n<td class=\"text-leftalign\">Mode of accessing data<\/td>\n<td class=\"text-leftalign\">Cassandra query language<br \/>\nand Command line interface tools.<\/td>\n<td class=\"text-leftalign\">Map\/Reduce for read\/write operations.<\/td>\n<\/tr>\n<tr>\n<td class=\"text-leftalign\">Data storage model<\/td>\n<td class=\"text-leftalign\">Keys space column family to store the data<br \/>\nand introduces primary and secondary<br \/>\nindexes for high availability of data<\/td>\n<td class=\"text-leftalign\">File system. Large files are destroyed into small piece and copy on many data node<\/td>\n<\/tr>\n<tr>\n<td class=\"text-leftalign\">Fault tolerance<\/td>\n<td class=\"text-leftalign\">High availability- NO SPOF<br \/>\ncluster all nodes are same<br \/>\nand experienced to handle the access<\/td>\n<td class=\"text-leftalign\">when master node is down if the Single point of failure Vulnerable to be failed.<\/td>\n<\/tr>\n<tr>\n<td class=\"text-leftalign\">Storage schema<\/td>\n<td class=\"text-leftalign\">Combines schema from Google big table<br \/>\nand Amazon Dynamo<\/td>\n<td class=\"text-leftalign\">Physical file system schema.<\/td>\n<\/tr>\n<tr>\n<td class=\"text-leftalign\">Communication<\/td>\n<td class=\"text-leftalign\">Gossip protocol<\/td>\n<td class=\"text-leftalign\">RPC\/TCP and UDP<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Answer : All nodes are same in Peer-to-Peer<br \/>\nDistributed architecture.\tMaster\/Slave. Name Node act as Master and data node act as worker node.<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"passster_activate_protection":false,"passster_protect_child_pages":"","passster_protection_type":"password","passster_password":"","passster_activate_overwrite_defaults":"","passster_headline":"","passster_instruction":"","passster_placeholder":"","passster_button":"","passster_id":"","passster_activate_misc_settings":"","passster_redirect_url":"","passster_hide":"no","passster_area_shortcode":"","gtb_hide_title":false,"gtb_wrap_title":false,"gtb_class_title":"","gtb_remove_headerfooter":false,"footnotes":""},"categories":[2642],"tags":[195,201,2661,2892,1119,203,2891,2809,2720,2645,2695,2894,2686,2887,2893,2643,2886,2897,2896,2658,2644,2839,2649,2888,2841,199,214,363,209,283,2676,205,1606,2890,930,485,2884,2885,2895,2848,1630,2889,196,212,712,2663,207,711,204,282,208,206,2677,200,2118,197,280,364,216,285],"class_list":["post-444","post","type-post","status-publish","format-standard","hentry","category-cassandra","tag-accenture-interview-questions-and-answers","tag-allstate-solutions-pvt-ltd-interview-questions-and-answers","tag-apache-cassandra-interview-questions","tag-apache-cassandra-vs-hadoop","tag-att-interview-questions-and-answers","tag-capgemini-interview-questions-and-answers","tag-cassandra-basics-tutorial","tag-cassandra-certification-practice-test","tag-cassandra-certification-preparation","tag-cassandra-certification-sample-questions","tag-cassandra-database-tutorial-for-beginners","tag-cassandra-dba-tutorial","tag-cassandra-documentation","tag-cassandra-file-system","tag-cassandra-for-beginners","tag-cassandra-frequently-asked-questions","tag-cassandra-hadoop-integration","tag-cassandra-hadoop-integration-example","tag-cassandra-hadoop-integration-tutorial","tag-cassandra-interview-questions-and-answers","tag-cassandra-multiple-choice-questions","tag-cassandra-vs-hadoop-vs-spark","tag-cassandra-vs-hbase","tag-cassandra-vs-hbase-performance","tag-cassandra-vs-spark","tag-casting-networks-india-pvt-limited-interview-questions-and-answers","tag-cgi-group-inc-interview-questions-and-answers","tag-ciena-corporation-interview-questions-and-answers","tag-collabera-technologies-interview-questions-and-answers","tag-conduent-interview-questions-and-answers","tag-cvent-interview-questions-and-answers","tag-dell-international-services-india-pvt-ltd-interview-questions-and-answers","tag-difference-between-cassandra-and-hbase","tag-difference-between-cassendra-hadoop","tag-difference-between-hadoop-and-cassandra","tag-ernst-young-interview-questions-and-answers","tag-hadoop-cassandra-tutorial","tag-hadoop-on-cassandra","tag-hadoop-vs-cassandra","tag-hadoop-vs-cassandra-vs-mongodb","tag-hbase-vs-cassandra","tag-hbase-vs-cassandra-vs-hive","tag-ibm-interview-questions-and-answers","tag-indecomm-global-services-interview-questions-and-answers","tag-indiabulls-technology-solutions-ltd-interview-questions-and-answers","tag-interview-questions-on-cassandra","tag-mphasis-interview-questions-and-answers","tag-nagarro-software-pvt-ltd-interview-questions-and-answers","tag-oracle-corporation-interview-questions-and-answers","tag-persistent-systems-interview-questions-and-answers","tag-prokarma-softech-pvt-ltd-interview-questions-and-answers","tag-sap-labs-india-pvt-ltd-interview-questions-and-answers","tag-synechron-technologies-pvt-ltd-interview-questions-and-answers","tag-tech-mahindra-interview-questions-and-answers","tag-tecnotree-interview-questions-and-answers","tag-unitedhealth-group-interview-questions-and-answers","tag-virtusa-consulting-services-pvt-ltd-interview-questions-and-answers","tag-wells-fargo-interview-questions-and-answers","tag-wipro-interview-questions-and-answers","tag-xoriant-solutions-pvt-ltd-interview-questions-and-answers"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>What is the difference between Cassandra and Hadoop ? 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