{"id":7864,"date":"2020-12-01T10:26:35","date_gmt":"2020-12-01T09:26:35","guid":{"rendered":"https:\/\/www.pccube.com\/?p=7864"},"modified":"2020-12-01T10:26:35","modified_gmt":"2020-12-01T09:26:35","slug":"uploads-at-the-speed-of-light-in-a-distribuited-world","status":"publish","type":"post","link":"https:\/\/www.pccube.com\/en\/uploads-at-the-speed-of-light-in-a-distribuited-world\/","title":{"rendered":"Uploads at the speed of light in a distribuited world"},"content":{"rendered":"<p>L\u2019azienda Xriba ha esposto la sua soluzione custom di upload dei file in un ambiente distribuito.<\/p>\n<p>Il caricamento dei file \u00e8 un problema comune di molti clienti, i quali caricano ogni anno dai 100 ai 5000 file, spesso di formati differenti, da sorgenti diverse e spesso di terze parti, con frequenti problemi di sincronia.<\/p>\n<p>In questo contesto si pone la soluzione di Xriba, ridefinendo il concetto di documento come immutabile, accompagnato da metadati mutabili. Le componenti sono:<\/p>\n<ul>\n<li>Storage layer basato su google cloud, per documenti e metadati. Si basa su transazioni atomiche al fine di rendere ogni operazione consistente.<\/li>\n<li>Indexer: ordina i metadati in strutture utili alle interrogazioni. Usa gli alberi per i path di navigabilit\u00e0 e le hash table per accessi puntuali su chiavi note.<\/li>\n<li>Control plane: coordina le interazioni con i consumer esterni.<\/li>\n<li>Coda asincrona: distribuisce eventi e notifiche internamente.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>Il flusso \u00e8 il seguente:<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-7865\" src=\"https:\/\/www.pccube.com\/wp-content\/uploads\/2020\/11\/Immagine1-300x135.png\" alt=\"\" width=\"761\" height=\"342\" srcset=\"https:\/\/www.pccube.com\/wp-content\/uploads\/2020\/11\/Immagine1-300x135.png 300w, https:\/\/www.pccube.com\/wp-content\/uploads\/2020\/11\/Immagine1.png 620w\" sizes=\"auto, (max-width: 761px) 100vw, 761px\" \/><\/p>\n<p>Usa l\u2019applicativo open-source Apache Ignite per muoversi all\u2019interno di una data-grid distribuita. Fa uso inoltre di algoritmi gossip, protocolli raft, possibilit\u00e0 di riutilizzo di strutture distribuite o possibilit\u00e0 di crearne di proprie.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Codemotion week<\/p>\n","protected":false},"author":8,"featured_media":7527,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[42],"tags":[],"class_list":["post-7864","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-whats-up"],"translation":{"provider":"WPGlobus","version":"3.0.0","language":"en","enabled_languages":["it","en"],"languages":{"it":{"title":true,"content":true,"excerpt":true},"en":{"title":false,"content":false,"excerpt":false}}},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Uploads at the speed of light in a distribuited world - Pc Cube<\/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.pccube.com\/uploads-at-the-speed-of-light-in-a-distribuited-world\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Uploads at the speed of light in a distribuited world - Pc Cube\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.pccube.com\/uploads-at-the-speed-of-light-in-a-distribuited-world\/\" \/>\n<meta property=\"og:site_name\" content=\"Pc Cube\" \/>\n<meta property=\"article:published_time\" content=\"2020-12-01T09:26:35+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.pccube.com\/wp-content\/uploads\/2020\/11\/codemotion_2020_1920x1080.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1922\" \/>\n\t<meta property=\"og:image:height\" content=\"1080\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"PC Cube\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"PC Cube\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.pccube.com\/uploads-at-the-speed-of-light-in-a-distribuited-world\/\",\"url\":\"https:\/\/www.pccube.com\/uploads-at-the-speed-of-light-in-a-distribuited-world\/\",\"name\":\"Uploads at the speed of light in a distribuited world - Pc Cube\",\"isPartOf\":{\"@id\":\"https:\/\/www.pccube.com\/en\/#website\"},\"datePublished\":\"2020-12-01T09:26:35+00:00\",\"dateModified\":\"2020-12-01T09:26:35+00:00\",\"author\":{\"@id\":\"https:\/\/www.pccube.com\/en\/#\/schema\/person\/3b705149718006e7374d067eee3ce832\"},\"description\":\"Codemotion week: Uploads at the speed of light in a distribuited world. 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