{"id":35740,"date":"2019-10-31T22:06:05","date_gmt":"2019-10-31T19:06:05","guid":{"rendered":"https:\/\/prohoster.info\/blog\/intel-optane-dc-persistent-memory-god-spustya\/"},"modified":"2019-10-31T22:06:05","modified_gmt":"2019-10-31T19:06:05","slug":"intel-optane-dc-persistent-memory-god-spustya","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/administrirovanie\/intel-optane-dc-persistent-memory-god-spustya","title":{"rendered":"Intel Optane DC Persistent Memory, um ano depois","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"Intel Optane DC Persistent Memory, um ano depois\" src=\"\/wp-content\/uploads\/2019\/06\/60924137cc075ec5b3e0b87089659317.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nNo ver\u00e3o do ano passado, n\u00f3s <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/intel\/blog\/413183\/\">anunciamos no blog<\/a><\/noindex> Optane DC Persistent Memory \u2014 mem\u00f3ria Optane baseada em m\u00f3dulos <noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/3D_XPoint\">3D XPoint<\/a><\/noindex> no formato DIMM. Como foi declarado na \u00e9poca, as entregas dos m\u00f3dulos Optane come\u00e7aram no segundo trimestre de 2019, e at\u00e9 esse momento, acumulamos informa\u00e7\u00f5es suficientes que estavam faltando durante o an\u00fancio. Portanto, abaixo est\u00e3o as especifica\u00e7\u00f5es t\u00e9cnicas e os modelos de uso <noindex><a rel=\"nofollow\" href=\"https:\/\/www.intel.com\/content\/www\/us\/en\/products\/memory-storage\/optane-dc-persistent-memory.html\">Optane DC Persistent Memory<\/a><\/noindex>, assim como diversas infografias.<br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><br \/>\nComo j\u00e1 mencionado, os m\u00f3dulos Optane DC Persistent Memory (Optane DC PM) s\u00e3o instalados em slots padr\u00e3o DIMM DDR4, por\u00e9m para seu uso \u00e9 necess\u00e1ria a compatibilidade com o controlador de mem\u00f3ria, ent\u00e3o este tipo de mem\u00f3ria pode ser utilizado apenas com processadores Intel Xeon Scalable Gold ou Platinum de segunda gera\u00e7\u00e3o. Um m\u00f3dulo Optane DC PM pode ser instalado por canal de mem\u00f3ria, ou seja, at\u00e9 6 m\u00f3dulos por soquete, totalizando at\u00e9 3 TB ou 24 TB em um servidor de 8 soquetes.<\/p>\n<p><img decoding=\"async\" alt=\"Intel Optane DC Persistent Memory, um ano depois\" src=\"\/wp-content\/uploads\/2019\/06\/5ab2c4ec05b77d285abeb177da82cc6b.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nOptane DC PM \u00e9 fornecido em m\u00f3dulos de 3 tamanhos: 128, 256 e 512 GB \u2014 muito mais do que os m\u00f3dulos DDR DIMM dispon\u00edveis atualmente. Existem duas principais formas de uso e intera\u00e7\u00e3o com a mem\u00f3ria tradicional.<\/p>\n<ul>\n<li><b>Modo de mem\u00f3ria<\/b> \u2014 n\u00e3o requer modifica\u00e7\u00f5es aplicacionais. Neste modo, o Optane DC PM \u00e9 usado como a mem\u00f3ria RAM principal endere\u00e7\u00e1vel, enquanto a capacidade existente de DRAM tradicional \u00e9 utilizada como cache para o Optane. O modo de mem\u00f3ria permite fornecer \u00e0s aplica\u00e7\u00f5es uma quantidade significativa de RAM a um custo consideravelmente mais baixo, o que pode ser crucial ao hospedar m\u00e1quinas virtuais, grandes bancos de dados, e assim por diante. Vale ressaltar que, neste modo, a Optane DC Persistent Memory \u00e9 dependente de energia, uma vez que os dados s\u00e3o encriptados com uma chave que se perde durante a reinicializa\u00e7\u00e3o.<\/li>\n<li><b>Modo de acesso direto<\/b> \u2014 os aplicativos e software t\u00eam a capacidade de acessar diretamente o Optane DC PM, o que simplifica a cadeia de chamadas. Tamb\u00e9m neste modo, \u00e9 poss\u00edvel usar APIs existentes de armazenamento, permitindo trabalhar com a mem\u00f3ria como se fosse um SSD e, em particular, inicializar a partir dela. O sistema v\u00ea o Optane DC PM e a DRAM como dois pools de mem\u00f3ria independentes. Sua vantagem \u00e9 um armazenamento grande, n\u00e3o vol\u00e1til, r\u00e1pido e confi\u00e1vel para aplica\u00e7\u00f5es exigentes em troca de dados e necessidades do sistema. <\/li>\n<\/ul>\n<p>\nTamb\u00e9m \u00e9 poss\u00edvel uma variante intermedi\u00e1ria: parte dos m\u00f3dulos Optane DC PM \u00e9 utilizada no modo de mem\u00f3ria, enquanto a outra parte opera no modo de acesso direto. O pr\u00f3ximo slide mostra os benef\u00edcios do uso da Intel Optane DC Persistent Memory para hospedagem de m\u00e1quinas virtuais.<\/p>\n<p><img decoding=\"async\" alt=\"Intel Optane DC Persistent Memory, um ano depois\" src=\"\/wp-content\/uploads\/2019\/06\/ce5bbac059568b89df753f8c07318e67.png\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<br \/>\nAgora vamos apresentar as especifica\u00e7\u00f5es t\u00e9cnicas dos m\u00f3dulos de mem\u00f3ria.<\/p>\n<p>Capacidade<br \/>\n 128 GiB<br \/>\n 256 GiB<br \/>\n 512 GiB<\/p>\n<p>Modelo<br \/>\n NMA1XXD128GPS<br \/>\n NMA1XXD256GPS<br \/>\n NMA1XXD512GPS<\/p>\n<p>Garantia<br \/>\n 5 anos<\/p>\n<p>AFR<br \/>\n \u2264 0.44<\/p>\n<p>Durabilidade 100% grava\u00e7\u00e3o 15W 256B<br \/>\n 292 PBW<br \/>\n 363 PBW<br \/>\n 300 PBW<\/p>\n<p>Durabilidade 100% grava\u00e7\u00e3o 15W 64B<br \/>\n 91 PBW<br \/>\n 91 PBW<br \/>\n 75 PBW<\/p>\n<p>Velocidade 100% leitura 15W 256B<br \/>\n 6.8 GB\/s<br \/>\n 6.8 GB\/s<br \/>\n 5.3 GB\/s<\/p>\n<p>Velocidade 100% grava\u00e7\u00e3o 15W 256B<br \/>\n 1.85 GB\/s<br \/>\n 2.3 GB\/s<br \/>\n 1.89 GB\/s<\/p>\n<p>Velocidade 100% leitura 15W 64B<br \/>\n 1.7 GB\/s<br \/>\n 1.75 GB\/s<br \/>\n 1.4 GB\/s<\/p>\n<p>Velocidade 100% grava\u00e7\u00e3o 15W 64B<br \/>\n 0.45 GB\/s<br \/>\n 0.58 GB\/s<br \/>\n 0.47 GB\/s<\/p>\n<p>Frequ\u00eancia DDR<br \/>\n 2666, 2400, 2133, 1866 MT\/s<\/p>\n<p>M\u00e1x. TDP<br \/>\n 15W<br \/>\n 18W<\/p>\n<p>E, finalmente, sobre o pre\u00e7o. Os pre\u00e7os recomendados oficiais da Intel ainda n\u00e3o foram publicados, no entanto, diversos parceiros comerciais da empresa j\u00e1 come\u00e7aram a coletar pr\u00e9-encomendas, variando de $850 a $900 por m\u00f3dulo de 128 GB e de $2.700 a $2.900 por 256 GB. Os m\u00f3dulos de 512 GB ainda n\u00e3o est\u00e3o dispon\u00edveis, provavelmente aparecer\u00e3o ap\u00f3s os demais. Assim, o custo unit\u00e1rio come\u00e7a em $7 por GB, o que \u00e9 compar\u00e1vel ao pre\u00e7o de um gigabyte de mem\u00f3ria de servidor RDIMM.<br \/>\n<br \/>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/intel\/blog\/457540\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041b\u0435\u0442\u043e\u043c \u043f\u0440\u043e\u0448\u043b\u043e\u0433\u043e \u0433\u043e\u0434\u0430 \u043c\u044b \u0430\u043d\u043e\u043d\u0441\u0438\u0440\u043e\u0432\u0430\u043b\u0438 \u0432 \u0431\u043b\u043e\u0433\u0435 Optane DC Persistent Memory \u2014 \u043f\u0430\u043c\u044f\u0442\u044c Optane \u043d\u0430 \u0431\u0430\u0437\u0435 \u043c\u043e\u0434\u0443\u043b\u0435\u0439 3D XPoint \u0432 \u0444\u043e\u0440\u043c\u0430\u0442\u0435 DIMM. \u041a\u0430\u043a \u0438 \u0431\u044b\u043b\u043e \u0442\u043e\u0433\u0434\u0430 \u0437\u0430\u044f\u0432\u043b\u0435\u043d\u043e, \u043f\u043e\u0441\u0442\u0430\u0432\u043a\u0438 \u043f\u043b\u0430\u043d\u043e\u043a Optane \u043d\u0430\u0447\u0430\u043b\u0438\u0441\u044c \u0432\u043e \u0432\u0442\u043e\u0440\u043e\u043c \u043a\u0432\u0430\u0440\u0442\u0430\u043b\u0435 2019 \u0433\u043e\u0434\u0430, \u043a \u044d\u0442\u043e\u043c\u0443 \u043c\u043e\u043c\u0435\u043d\u0442\u0443 \u043e \u043d\u0438\u0445 \u043d\u0430\u043a\u043e\u043f\u0438\u043b\u043e\u0441\u044c \u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u043e \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438, \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u0442\u0430\u043a \u043d\u0435 \u0445\u0432\u0430\u0442\u0430\u043b\u043e \u0442\u043e\u0433\u0434\u0430, \u0432\u043e \u0432\u0440\u0435\u043c\u044f \u0430\u043d\u043e\u043d\u0441\u0430. \u0418\u0442\u0430\u043a, \u043f\u043e\u0434 \u043a\u0430\u0442\u043e\u043c [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":26777,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-35740","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041b\u0435\u0442\u043e\u043c \u043f\u0440\u043e\u0448\u043b\u043e\u0433\u043e \u0433\u043e\u0434\u0430 \u043c\u044b\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/pt\/blog\/administrirovanie\/intel-optane-dc-persistent-memory-god-spustya\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.3\" 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