{"id":3300,"date":"2017-08-03T09:21:27","date_gmt":"2017-08-03T09:21:27","guid":{"rendered":"http:\/\/joapen.com\/blog\/?p=3300"},"modified":"2017-11-03T09:29:40","modified_gmt":"2017-11-03T09:29:40","slug":"mapreduce-example","status":"publish","type":"post","link":"https:\/\/joapen.com\/blog\/2017\/08\/03\/mapreduce-example\/","title":{"rendered":"MapReduce example"},"content":{"rendered":"<p>I found in a training course this conceptual example about how MapReduce works.<\/p>\n<p>The sequence of steps is clear: input, splitting, mapping, shuffling and reducing.<\/p>\n<p><a href=\"http:\/\/joapen.com\/blog\/2017\/08\/03\/mapreduce-example\/mapreduce-wordcount-example\/\" rel=\"attachment wp-att-3301\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-3301\" src=\"http:\/\/joapen.com\/blog\/wp-content\/uploads\/2017\/11\/MapReduce-wordcount-example.jpg\" alt=\"\" width=\"1458\" height=\"648\" srcset=\"https:\/\/joapen.com\/blog\/wp-content\/uploads\/2017\/11\/MapReduce-wordcount-example.jpg 1458w, https:\/\/joapen.com\/blog\/wp-content\/uploads\/2017\/11\/MapReduce-wordcount-example-300x133.jpg 300w, https:\/\/joapen.com\/blog\/wp-content\/uploads\/2017\/11\/MapReduce-wordcount-example-768x341.jpg 768w, https:\/\/joapen.com\/blog\/wp-content\/uploads\/2017\/11\/MapReduce-wordcount-example-1024x455.jpg 1024w, https:\/\/joapen.com\/blog\/wp-content\/uploads\/2017\/11\/MapReduce-wordcount-example-500x222.jpg 500w\" sizes=\"auto, (max-width: 1458px) 100vw, 1458px\" \/><\/a>I continue gaining basic knowledge of Hadoop, which is at the moment very interesting.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I found in a training course this conceptual example about how MapReduce works. The sequence of steps is clear: input, splitting, mapping, shuffling and reducing. I continue gaining basic knowledge of Hadoop, which is at the moment very interesting.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[65],"tags":[],"class_list":["post-3300","post","type-post","status-publish","format-standard","hentry","category-hadoop"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>MapReduce example -<\/title>\n<meta name=\"description\" content=\"I found in a training course this conceptual example about how MapReduce works. The sequence of steps is clear: input, splitting, mapping, shuffling and - joapen projects\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/joapen.com\/blog\/2017\/08\/03\/mapreduce-example\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"MapReduce example -\" \/>\n<meta property=\"og:description\" content=\"I found in a training course this conceptual example about how MapReduce works. The sequence of steps is clear: input, splitting, mapping, shuffling and - joapen projects\" \/>\n<meta property=\"og:url\" content=\"http:\/\/joapen.com\/blog\/2017\/08\/03\/mapreduce-example\/\" \/>\n<meta property=\"og:site_name\" content=\"joapen projects\" \/>\n<meta property=\"article:published_time\" content=\"2017-08-03T09:21:27+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2017-11-03T09:29:40+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/joapen.com\/blog\/wp-content\/uploads\/2017\/11\/MapReduce-wordcount-example.jpg\" \/>\n<meta name=\"author\" content=\"joapen\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"joapen\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"http:\\\/\\\/joapen.com\\\/blog\\\/2017\\\/08\\\/03\\\/mapreduce-example\\\/#article\",\"isPartOf\":{\"@id\":\"http:\\\/\\\/joapen.com\\\/blog\\\/2017\\\/08\\\/03\\\/mapreduce-example\\\/\"},\"author\":{\"name\":\"joapen\",\"@id\":\"https:\\\/\\\/joapen.com\\\/blog\\\/#\\\/schema\\\/person\\\/23919df2312175fe9c4609203595b217\"},\"headline\":\"MapReduce example\",\"datePublished\":\"2017-08-03T09:21:27+00:00\",\"dateModified\":\"2017-11-03T09:29:40+00:00\",\"mainEntityOfPage\":{\"@id\":\"http:\\\/\\\/joapen.com\\\/blog\\\/2017\\\/08\\\/03\\\/mapreduce-example\\\/\"},\"wordCount\":41,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/joapen.com\\\/blog\\\/#\\\/schema\\\/person\\\/23919df2312175fe9c4609203595b217\"},\"image\":{\"@id\":\"http:\\\/\\\/joapen.com\\\/blog\\\/2017\\\/08\\\/03\\\/mapreduce-example\\\/#primaryimage\"},\"thumbnailUrl\":\"http:\\\/\\\/joapen.com\\\/blog\\\/wp-content\\\/uploads\\\/2017\\\/11\\\/MapReduce-wordcount-example.jpg\",\"articleSection\":[\"Hadoop\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"http:\\\/\\\/joapen.com\\\/blog\\\/2017\\\/08\\\/03\\\/mapreduce-example\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"http:\\\/\\\/joapen.com\\\/blog\\\/2017\\\/08\\\/03\\\/mapreduce-example\\\/\",\"url\":\"http:\\\/\\\/joapen.com\\\/blog\\\/2017\\\/08\\\/03\\\/mapreduce-example\\\/\",\"name\":\"MapReduce example -\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/joapen.com\\\/blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"http:\\\/\\\/joapen.com\\\/blog\\\/2017\\\/08\\\/03\\\/mapreduce-example\\\/#primaryimage\"},\"image\":{\"@id\":\"http:\\\/\\\/joapen.com\\\/blog\\\/2017\\\/08\\\/03\\\/mapreduce-example\\\/#primaryimage\"},\"thumbnailUrl\":\"http:\\\/\\\/joapen.com\\\/blog\\\/wp-content\\\/uploads\\\/2017\\\/11\\\/MapReduce-wordcount-example.jpg\",\"datePublished\":\"2017-08-03T09:21:27+00:00\",\"dateModified\":\"2017-11-03T09:29:40+00:00\",\"description\":\"I found in a training course this conceptual example about how MapReduce works. The sequence of steps is clear: input, splitting, mapping, shuffling and - joapen projects\",\"breadcrumb\":{\"@id\":\"http:\\\/\\\/joapen.com\\\/blog\\\/2017\\\/08\\\/03\\\/mapreduce-example\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"http:\\\/\\\/joapen.com\\\/blog\\\/2017\\\/08\\\/03\\\/mapreduce-example\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"http:\\\/\\\/joapen.com\\\/blog\\\/2017\\\/08\\\/03\\\/mapreduce-example\\\/#primaryimage\",\"url\":\"https:\\\/\\\/joapen.com\\\/blog\\\/wp-content\\\/uploads\\\/2017\\\/11\\\/MapReduce-wordcount-example.jpg\",\"contentUrl\":\"https:\\\/\\\/joapen.com\\\/blog\\\/wp-content\\\/uploads\\\/2017\\\/11\\\/MapReduce-wordcount-example.jpg\",\"width\":1458,\"height\":648},{\"@type\":\"BreadcrumbList\",\"@id\":\"http:\\\/\\\/joapen.com\\\/blog\\\/2017\\\/08\\\/03\\\/mapreduce-example\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/joapen.com\\\/blog\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"MapReduce example\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/joapen.com\\\/blog\\\/#website\",\"url\":\"https:\\\/\\\/joapen.com\\\/blog\\\/\",\"name\":\"joapen projects\",\"description\":\"Just a place to write\",\"publisher\":{\"@id\":\"https:\\\/\\\/joapen.com\\\/blog\\\/#\\\/schema\\\/person\\\/23919df2312175fe9c4609203595b217\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/joapen.com\\\/blog\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":[\"Person\",\"Organization\"],\"@id\":\"https:\\\/\\\/joapen.com\\\/blog\\\/#\\\/schema\\\/person\\\/23919df2312175fe9c4609203595b217\",\"name\":\"joapen\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\\\/\\\/joapen.com\\\/blog\\\/wp-content\\\/uploads\\\/2021\\\/04\\\/joapen-mini.jpeg\",\"url\":\"https:\\\/\\\/joapen.com\\\/blog\\\/wp-content\\\/uploads\\\/2021\\\/04\\\/joapen-mini.jpeg\",\"contentUrl\":\"https:\\\/\\\/joapen.com\\\/blog\\\/wp-content\\\/uploads\\\/2021\\\/04\\\/joapen-mini.jpeg\",\"width\":400,\"height\":400,\"caption\":\"joapen\"},\"logo\":{\"@id\":\"https:\\\/\\\/joapen.com\\\/blog\\\/wp-content\\\/uploads\\\/2021\\\/04\\\/joapen-mini.jpeg\"},\"sameAs\":[\"http:\\\/\\\/www.joapen.com\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"MapReduce example -","description":"I found in a training course this conceptual example about how MapReduce works. The sequence of steps is clear: input, splitting, mapping, shuffling and - joapen projects","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":"http:\/\/joapen.com\/blog\/2017\/08\/03\/mapreduce-example\/","og_locale":"en_US","og_type":"article","og_title":"MapReduce example -","og_description":"I found in a training course this conceptual example about how MapReduce works. The sequence of steps is clear: input, splitting, mapping, shuffling and - joapen projects","og_url":"http:\/\/joapen.com\/blog\/2017\/08\/03\/mapreduce-example\/","og_site_name":"joapen projects","article_published_time":"2017-08-03T09:21:27+00:00","article_modified_time":"2017-11-03T09:29:40+00:00","og_image":[{"url":"http:\/\/joapen.com\/blog\/wp-content\/uploads\/2017\/11\/MapReduce-wordcount-example.jpg","type":"","width":"","height":""}],"author":"joapen","twitter_misc":{"Written by":"joapen"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"http:\/\/joapen.com\/blog\/2017\/08\/03\/mapreduce-example\/#article","isPartOf":{"@id":"http:\/\/joapen.com\/blog\/2017\/08\/03\/mapreduce-example\/"},"author":{"name":"joapen","@id":"https:\/\/joapen.com\/blog\/#\/schema\/person\/23919df2312175fe9c4609203595b217"},"headline":"MapReduce example","datePublished":"2017-08-03T09:21:27+00:00","dateModified":"2017-11-03T09:29:40+00:00","mainEntityOfPage":{"@id":"http:\/\/joapen.com\/blog\/2017\/08\/03\/mapreduce-example\/"},"wordCount":41,"commentCount":0,"publisher":{"@id":"https:\/\/joapen.com\/blog\/#\/schema\/person\/23919df2312175fe9c4609203595b217"},"image":{"@id":"http:\/\/joapen.com\/blog\/2017\/08\/03\/mapreduce-example\/#primaryimage"},"thumbnailUrl":"http:\/\/joapen.com\/blog\/wp-content\/uploads\/2017\/11\/MapReduce-wordcount-example.jpg","articleSection":["Hadoop"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["http:\/\/joapen.com\/blog\/2017\/08\/03\/mapreduce-example\/#respond"]}]},{"@type":"WebPage","@id":"http:\/\/joapen.com\/blog\/2017\/08\/03\/mapreduce-example\/","url":"http:\/\/joapen.com\/blog\/2017\/08\/03\/mapreduce-example\/","name":"MapReduce example -","isPartOf":{"@id":"https:\/\/joapen.com\/blog\/#website"},"primaryImageOfPage":{"@id":"http:\/\/joapen.com\/blog\/2017\/08\/03\/mapreduce-example\/#primaryimage"},"image":{"@id":"http:\/\/joapen.com\/blog\/2017\/08\/03\/mapreduce-example\/#primaryimage"},"thumbnailUrl":"http:\/\/joapen.com\/blog\/wp-content\/uploads\/2017\/11\/MapReduce-wordcount-example.jpg","datePublished":"2017-08-03T09:21:27+00:00","dateModified":"2017-11-03T09:29:40+00:00","description":"I found in a training course this conceptual example about how MapReduce works. The sequence of steps is clear: input, splitting, mapping, shuffling and - joapen projects","breadcrumb":{"@id":"http:\/\/joapen.com\/blog\/2017\/08\/03\/mapreduce-example\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["http:\/\/joapen.com\/blog\/2017\/08\/03\/mapreduce-example\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"http:\/\/joapen.com\/blog\/2017\/08\/03\/mapreduce-example\/#primaryimage","url":"https:\/\/joapen.com\/blog\/wp-content\/uploads\/2017\/11\/MapReduce-wordcount-example.jpg","contentUrl":"https:\/\/joapen.com\/blog\/wp-content\/uploads\/2017\/11\/MapReduce-wordcount-example.jpg","width":1458,"height":648},{"@type":"BreadcrumbList","@id":"http:\/\/joapen.com\/blog\/2017\/08\/03\/mapreduce-example\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/joapen.com\/blog\/"},{"@type":"ListItem","position":2,"name":"MapReduce example"}]},{"@type":"WebSite","@id":"https:\/\/joapen.com\/blog\/#website","url":"https:\/\/joapen.com\/blog\/","name":"joapen projects","description":"Just a place to write","publisher":{"@id":"https:\/\/joapen.com\/blog\/#\/schema\/person\/23919df2312175fe9c4609203595b217"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/joapen.com\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":["Person","Organization"],"@id":"https:\/\/joapen.com\/blog\/#\/schema\/person\/23919df2312175fe9c4609203595b217","name":"joapen","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/joapen.com\/blog\/wp-content\/uploads\/2021\/04\/joapen-mini.jpeg","url":"https:\/\/joapen.com\/blog\/wp-content\/uploads\/2021\/04\/joapen-mini.jpeg","contentUrl":"https:\/\/joapen.com\/blog\/wp-content\/uploads\/2021\/04\/joapen-mini.jpeg","width":400,"height":400,"caption":"joapen"},"logo":{"@id":"https:\/\/joapen.com\/blog\/wp-content\/uploads\/2021\/04\/joapen-mini.jpeg"},"sameAs":["http:\/\/www.joapen.com"]}]}},"_links":{"self":[{"href":"https:\/\/joapen.com\/blog\/wp-json\/wp\/v2\/posts\/3300","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/joapen.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/joapen.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/joapen.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/joapen.com\/blog\/wp-json\/wp\/v2\/comments?post=3300"}],"version-history":[{"count":2,"href":"https:\/\/joapen.com\/blog\/wp-json\/wp\/v2\/posts\/3300\/revisions"}],"predecessor-version":[{"id":3303,"href":"https:\/\/joapen.com\/blog\/wp-json\/wp\/v2\/posts\/3300\/revisions\/3303"}],"wp:attachment":[{"href":"https:\/\/joapen.com\/blog\/wp-json\/wp\/v2\/media?parent=3300"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/joapen.com\/blog\/wp-json\/wp\/v2\/categories?post=3300"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/joapen.com\/blog\/wp-json\/wp\/v2\/tags?post=3300"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}