{"id":6506,"date":"2015-01-25T07:02:55","date_gmt":"2015-01-25T07:02:55","guid":{"rendered":"https:\/\/dev.railscarma.com\/tool-processing-big-data-hadoop\/"},"modified":"2022-08-30T08:13:55","modified_gmt":"2022-08-30T08:13:55","slug":"verktyg-bearbetning-big-data-hadoop","status":"publish","type":"post","link":"https:\/\/www.railscarma.com\/sv\/blogg\/tekniska-artiklar\/verktyg-bearbetning-big-data-hadoop\/","title":{"rendered":"Verktyget f\u00f6r bearbetning av stora datam\u00e4ngder - Hadoop"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"6506\" class=\"elementor elementor-6506\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-4dc80f8f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"4dc80f8f\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-3db932c2\" data-id=\"3db932c2\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-67523893 elementor-widget elementor-widget-text-editor\" data-id=\"67523893\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\n<p>I v\u00e5r\u00a0<a href=\"\/sv\/blogg\/tekniska-artiklar\/verktyg-bearbetning-big-data-hadoop\/\">f\u00f6reg\u00e5ende blogg<\/a> l\u00e4rde vi oss att den plattform som bearbetar och organiserar Big Data \u00e4r \u00a0<strong>Hadoop<\/strong>. H\u00e4r kommer vi att l\u00e4ra oss mer om Hadoop som \u00e4r en k\u00e4rnplattform f\u00f6r strukturering av Big Data och l\u00f6ser problemen med att anv\u00e4nda den f\u00f6r analytiska \u00e4ndam\u00e5l. Det \u00e4r ett ramverk f\u00f6r programvara med \u00f6ppen k\u00e4llkod f\u00f6r distribuerad lagring och distribuerad bearbetning av Big Data p\u00e5 kluster av r\u00e5h\u00e5rdvara.<\/p>\n\n<p><strong>Hadoops viktigaste egenskaper:<\/strong><\/p>\n\n<ul class=\"wp-block-list\">\n<li>Mycket skalbar (skalas ut)<\/li>\n<li>Baserad p\u00e5 standardh\u00e5rdvara<\/li>\n<li>Open Source, l\u00e5ga anskaffnings- och lagringskostnader<\/li>\n<\/ul>\n\n<p>Hadoop \u00e4r i princip uppdelad i tv\u00e5 delar, n\u00e4mligen : <strong>HDFS<\/strong> och <strong>Mapreduce<\/strong> ramverk. Ett Hadoop-kluster \u00e4r speciellt utformat f\u00f6r att lagra och analysera stora m\u00e4ngder ostrukturerade data. Arbetsbelastningen f\u00f6rdelas \u00f6ver flera klusternoder som arbetar med att bearbeta data parallellt.<\/p>\n\n<p><strong>Hadoops historia<\/strong><\/p>\n\n<p><a href=\"https:\/\/en.wikipedia.org\/wiki\/Doug_Cutting\">Doug Cutting<\/a> \u00e4r hj\u00e4rnan bakom Hadoop som har sitt ursprung i <strong>Apache<\/strong> och <strong>Nutch<\/strong>. Nutch startades 2002 och \u00e4r i sig sj\u00e4lv en Open Source-s\u00f6kmotor f\u00f6r webben. Google publicerade det dokument som introducerade Mapreduce f\u00f6r v\u00e4rlden.  I b\u00f6rjan av 2005 hade Nutch-utvecklarna en fungerande Mapreduce-implementering i Nutch. I februari 2006 bildades Hadoop som ett sj\u00e4lvst\u00e4ndigt projekt av Nutch. I januari 2008 blev Hadoop ett eget toppniv\u00e5projekt hos Apache och vid den h\u00e4r tiden b\u00f6rjade stora f\u00f6retag som Yahoo och Facebook anv\u00e4nda Hadoop.<\/p>\n\n<p>HDFS \u00e4r den f\u00f6rsta aspekten och Mapreduce \u00e4r den sekund\u00e4ra aspekten av Hadoop.  HDFS har en arkitektur som hj\u00e4lper den att bearbeta data och organisera den. F\u00f6r att f\u00e5 mer information om HDFS, dess arkitektur, funktion och flera andra begrepp, h\u00e5ll ett \u00f6ga p\u00e5 de bloggar som kommer att publiceras under de kommande dagarna.<\/p>\n\n<p>\u00a0<a href=\"\/sv\/kontakta-oss\/\">Kontakta oss.<\/a><\/p>\n\n<p><strong>Manasa Heggere <\/strong><\/p>\n\n<p>Senior Ruby on Rails-utvecklare<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7b11f88b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7b11f88b\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1aad3ee7\" data-id=\"1aad3ee7\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2c186462 elementor-widget elementor-widget-heading\" data-id=\"2c186462\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Prenumerera f\u00f6r de senaste uppdateringarna<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-46bc0c6a elementor-widget elementor-widget-shortcode\" data-id=\"46bc0c6a\" data-element_type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\">\t\t\t\t\t<script type=\"text\/javascript\">\n\t\t\t\t\t\tvar gCaptchaSibWidget;\n                        var onloadSibCallbackInvisible = function () {\n\n   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Here we will learn more about Hadoop which is a core platform for structuring Big Data and solves the problems of utilizing it for analytic purposes. It is an Open Source software framework for distributed storage and distributed processing &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/www.railscarma.com\/sv\/blogg\/ruby-regex-match-guide-with-examples\/\"> <span class=\"screen-reader-text\">Ruby Regex Match Guide (2026) med exempel<\/span> L\u00e4s mer \u00bb<\/a><\/p>","protected":false},"author":1,"featured_media":32053,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[384],"tags":[],"class_list":["post-6506","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technical-articles"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Hadoop:The Tool for Processing Big Data - RailsCarma Blog<\/title>\n<meta name=\"description\" content=\"Hadoop is a core platform for structuring Big Data and solves the problems of utilizing it for analytic purposes. 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