{"id":10836,"date":"2014-08-22T08:27:35","date_gmt":"2014-08-22T08:27:35","guid":{"rendered":"http:\/\/www.recantha.co.uk\/blog\/?p=10836"},"modified":"2014-08-22T08:27:35","modified_gmt":"2014-08-22T08:27:35","slug":"multi-datacenter-cassandra-on-32-raspberry-pis","status":"publish","type":"post","link":"https:\/\/www.recantha.co.uk\/blog\/?p=10836","title":{"rendered":"Multi-Datacenter Cassandra on 32 Raspberry Pi\u2019s"},"content":{"rendered":"

\"\"<\/p>\n

Brandon Van Ryswyk and Daniel Chin have just finished building a\u00a032-node DataStax<\/a> Enterprise cluster running on Raspberry Pis. It’s being used to demonstrate the fault-tolerant nature of Cassandra<\/a> by letting visitors to their lobby take down a ‘data centre’ with a touch of a big red button. Cassandra is a database platform used in a lot of ‘big data’ applications.\u00a0You can read a lot more detail about the project on their website<\/a>.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"

Brandon Van Ryswyk and Daniel Chin have just finished building a\u00a032-node DataStax Enterprise cluster running on Raspberry Pis. It’s being used to demonstrate the fault-tolerant nature of Cassandra by letting visitors to their lobby take down a ‘data centre’ with…<\/p>\n

Read more →<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[14,22,50,39],"tags":[],"class_list":["post-10836","post","type-post","status-publish","format-standard","hentry","category-databases","category-geeky-techiness","category-making","category-programming"],"yoast_head":"\nMulti-Datacenter Cassandra on 32 Raspberry Pi\u2019s - Raspberry Pi Pod<\/title>\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.recantha.co.uk\/blog\/?p=10836\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Multi-Datacenter Cassandra on 32 Raspberry Pi\u2019s - Raspberry Pi Pod\" \/>\n<meta property=\"og:description\" content=\"Brandon Van Ryswyk and Daniel Chin have just finished building a\u00a032-node DataStax Enterprise cluster running on Raspberry Pis. It’s being used to demonstrate the fault-tolerant nature of Cassandra by letting visitors to their lobby take down a ‘data centre’ with…Read more →\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.recantha.co.uk\/blog\/?p=10836\" \/>\n<meta property=\"og:site_name\" content=\"Raspberry Pi Pod\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/recantha\/\" \/>\n<meta property=\"article:published_time\" content=\"2014-08-22T08:27:35+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/www.datastax.com\/wp-content\/uploads\/2014\/08\/cluster_closeup_final-700x461.jpg\" \/>\n<meta name=\"author\" content=\"Michael Horne\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@recantha\" \/>\n<meta name=\"twitter:site\" content=\"@recantha\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Michael Horne\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.recantha.co.uk\\\/blog\\\/?p=10836#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.recantha.co.uk\\\/blog\\\/?p=10836\"},\"author\":{\"name\":\"Michael Horne\",\"@id\":\"https:\\\/\\\/www.recantha.co.uk\\\/blog\\\/#\\\/schema\\\/person\\\/c27c4ef2ee1c18b130f1fcd5dcdbb263\"},\"headline\":\"Multi-Datacenter Cassandra on 32 Raspberry Pi\u2019s\",\"datePublished\":\"2014-08-22T08:27:35+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.recantha.co.uk\\\/blog\\\/?p=10836\"},\"wordCount\":81,\"commentCount\":1,\"publisher\":{\"@id\":\"https:\\\/\\\/www.recantha.co.uk\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.recantha.co.uk\\\/blog\\\/?p=10836#primaryimage\"},\"thumbnailUrl\":\"http:\\\/\\\/www.datastax.com\\\/wp-content\\\/uploads\\\/2014\\\/08\\\/cluster_closeup_final-700x461.jpg\",\"articleSection\":[\"Databases\",\"Geeky Techiness\",\"Making\",\"Programming\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.recantha.co.uk\\\/blog\\\/?p=10836#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.recantha.co.uk\\\/blog\\\/?p=10836\",\"url\":\"https:\\\/\\\/www.recantha.co.uk\\\/blog\\\/?p=10836\",\"name\":\"Multi-Datacenter Cassandra on 32 Raspberry Pi\u2019s - 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The project records data from the AstroPi's SenseHAT and then visualises that data inside the world of Minecraft. Martin O'Hanlon, Minecraft Pi guru, has turned the project into a \"learn\"\u2026","rel":"","context":"In "Big Data"","block_context":{"text":"Big Data","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=72"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.raspberrypi.org\/learning\/exploring-space-with-minecraft\/images\/interactivepi.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.raspberrypi.org\/learning\/exploring-space-with-minecraft\/images\/interactivepi.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.raspberrypi.org\/learning\/exploring-space-with-minecraft\/images\/interactivepi.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.raspberrypi.org\/learning\/exploring-space-with-minecraft\/images\/interactivepi.png?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":12869,"url":"https:\/\/www.recantha.co.uk\/blog\/?p=12869","url_meta":{"origin":10836,"position":5},"title":"Artificial Killing Machine – an important Raspberry Pi project","author":"Michael Horne","date":"2 July 2015","format":false,"excerpt":"In these days of drone warfare, the targets of our modern weaponry can sometimes be made nameless by the remoteness of the operator. This remoteness\u00a0is the target of the latest work by artist\u00a0Jonathan Fletcher Moore, based in Los Angeles, California. The piece is called \"Artificial Killing Machine\". A Raspberry Pi\u2026","rel":"","context":"In "Art"","block_context":{"text":"Art","link":"https:\/\/www.recantha.co.uk\/blog\/?cat=56"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/payload337.cargocollective.com\/1\/11\/353003\/9051954\/artificial_killing_machine_2127.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/payload337.cargocollective.com\/1\/11\/353003\/9051954\/artificial_killing_machine_2127.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/payload337.cargocollective.com\/1\/11\/353003\/9051954\/artificial_killing_machine_2127.jpg?resize=525%2C300 1.5x, https:\/\/i0.wp.com\/payload337.cargocollective.com\/1\/11\/353003\/9051954\/artificial_killing_machine_2127.jpg?resize=700%2C400 2x, https:\/\/i0.wp.com\/payload337.cargocollective.com\/1\/11\/353003\/9051954\/artificial_killing_machine_2127.jpg?resize=1050%2C600 3x"},"classes":[]}],"_links":{"self":[{"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/10836","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10836"}],"version-history":[{"count":1,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/10836\/revisions"}],"predecessor-version":[{"id":10837,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=\/wp\/v2\/posts\/10836\/revisions\/10837"}],"wp:attachment":[{"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10836"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10836"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.recantha.co.uk\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10836"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}