{"id":1075,"date":"2021-07-20T03:13:48","date_gmt":"2021-07-20T03:13:48","guid":{"rendered":"https:\/\/www.wikitechy.com\/interview-questions\/?p=1075"},"modified":"2021-09-09T05:49:06","modified_gmt":"2021-09-09T05:49:06","slug":"what-is-the-difference-between-graphlab-and-mahout","status":"publish","type":"post","link":"https:\/\/www.wikitechy.com\/interview-questions\/mahout\/what-is-the-difference-between-graphlab-and-mahout\/","title":{"rendered":"What is the difference between GraphLab and Mahout ?"},"content":{"rendered":"<div class=\"TextHeading\">\n<div class=\"hddn\">\n<h2 id=\"difference-between-graphlab-and-mahout\" class=\"color-purple\">Difference between graphlab and mahout:<\/h2>\n<\/div>\n<\/div>\n<div class=\"Content\">\n<div class=\"hddn\"><\/div>\n<\/div>\n<div class=\"row\">\n<div class=\"col-sm-12\">\n<table class=\"table-bordered table-striped table table-responsive\">\n<tbody>\n<tr>\n<th>Mahout<\/th>\n<th>Graphlab<\/th>\n<\/tr>\n<tr>\n<td class=\"text-leftalign\">Mahout is a framework for machine learning<br \/>\nand part of the Apache Foundation<\/td>\n<td class=\"text-leftalign\">Graphlab project takes a quite different approach to parallel collaborative filtering (more broadly, machine learning), and is<br \/>\nprimarily used by academic institutions.<\/td>\n<\/tr>\n<tr>\n<td class=\"text-leftalign\">Mahout has inherent Fault-tolerance<\/td>\n<td class=\"text-leftalign\">Graphlab does not have inherent Fault-tolerance<\/td>\n<\/tr>\n<tr>\n<td class=\"text-leftalign\">Mahout looks like a more polished product,<br \/>\nespecially as it relies on Hadoop for<br \/>\nscalability and distribution.<\/td>\n<td class=\"text-leftalign\">Graphlab excells since it is built ground up for iterative algorithms such as those used in collaborative filtering.<\/td>\n<\/tr>\n<tr>\n<td class=\"text-leftalign\">The mahout framework comes in two approaches:<br \/>\n<b>Online\u00a0<\/b>where recommendations are computed on demand,<br \/>\ntypically on smaller datasets.<br \/>\n<b>Offline\u00a0<\/b>which utilise Apache Hadoop to achieve<br \/>\nscalability.<\/td>\n<td class=\"text-leftalign\">Graphlab lacks a production-ready distribution framework.<\/td>\n<\/tr>\n<tr>\n<td class=\"text-leftalign\">For 50000 items, you need to have N machines<br \/>\nwith at least 28 GiB of memory for each,<br \/>\nwhere N is the number of Hadoop nodes and hence 28 GiB<br \/>\nof memory becomes an issue.<\/td>\n<td class=\"text-leftalign\">Costly performance penalties since runtime of each phase is decided by slowest machine.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"text-center row\">\n<div class=\"col-sm-12\"><\/div>\n<\/div>\n<div class=\"ImageContent\">\n<div class=\"hddn\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-medium aligncenter\" src=\"https:\/\/cdn.wikitechy.com\/interview-questions\/Mahout\/what-is-apache-mahout.png\" alt=\"what is apache mahout\" width=\"500\" height=\"365\" \/><\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Asnwer : Mahout is a framework for machine learning<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7524],"tags":[195,7530,7531,7542,291,7554,7550,7532,7541,7553,7555,7552],"class_list":["post-1075","post","type-post","status-publish","format-standard","hentry","category-mahout","tag-accenture-interview-questions-and-answers","tag-advanced-apache-mahout-interview-questions","tag-apache-mahout-interview-questions","tag-apache-mahout-interview-questions-and-answers","tag-datamatics-global-services-ltd-interview-questions-and-answers","tag-graphlab-vs-mahout","tag-mahout-interview-question-and-answers","tag-mahout-interview-questions","tag-mahout-interview-questions-and-answers","tag-mahout-vs-graphlab","tag-technical-mahout-interview","tag-what-is-the-difference-between-graphlab-and-mahout"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What is the difference between GraphLab and Mahout ? 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