{"id":52859,"date":"2019-11-18T00:00:00","date_gmt":"2019-11-17T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/vypusk-setevogo-steka-f-stack-1-13-vypolnyaemogo-v-prostranstve-polzovatelya"},"modified":"2020-02-18T14:00:40","modified_gmt":"2020-02-18T11:00:40","slug":"vypusk-setevogo-steka-f-stack-1-13-vypolnyaemogo-v-prostranstve-polzovatelya","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/vypusk-setevogo-steka-f-stack-1-13-vypolnyaemogo-v-prostranstve-polzovatelya","title":{"rendered":"Lan\u00e7amento da pilha de rede F-Stack 1.13, executada no espa\u00e7o do usu\u00e1rio","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Ap\u00f3s um ano e meio de desenvolvimento <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/F-Stack\/f-stack\/releases\/tag\/v1.13\">ocorreu<\/a><\/noindex> lan\u00e7amento do projeto <noindex><a rel=\"nofollow\" href=\"http:\/\/www.f-stack.org\">F-Stack 1.13<\/a><\/noindex>, desenvolvendo uma pilha de rede de alto desempenho que opera no espa\u00e7o do usu\u00e1rio, baseada no framework <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=48099\">DPDK<\/a><\/noindex> e na pilha TCP\/IP do FreeBSD (o F-Stack n\u00e3o est\u00e1 vinculado ao FreeBSD e considera o Linux como a plataforma prim\u00e1ria para sua aplica\u00e7\u00e3o). O projeto \u00e9 utilizado em diversos produtos e servi\u00e7os <noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Tencent\">Tencent<\/a><\/noindex>, a maior empresa de telecomunica\u00e7\u00f5es da China. O c\u00f3digo <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/F-Stack\/f-stack\">\u00e9 distribu\u00eddo<\/a><\/noindex> sob licen\u00e7a BSD. \u00c9 compat\u00edvel com Linux e FreeBSD.<\/p>\n<p>O F-Stack permite organizar a intera\u00e7\u00e3o em rede em aplica\u00e7\u00f5es, utilizando, em vez da pilha de rede do sistema operacional, sua pr\u00f3pria pilha de rede, que opera no espa\u00e7o do usu\u00e1rio e trabalha diretamente com o hardware de rede.  <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/F-Stack\/f-stack\/tree\/dev\/app\">S\u00e3o fornecidas<\/a><\/noindex> edi\u00e7\u00f5es especializadas do Nginx e Redis, adaptadas para usar o F-Stack.<\/p>\n<p>Para o desenvolvimento de aplica\u00e7\u00f5es <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/F-Stack\/f-stack\/blob\/dev\/doc\/F-Stack_API_Reference.md\">suportado<\/a><\/noindex> , tanto a API Posix padr\u00e3o (Socket, Epoll, Kqueue), que facilita a migra\u00e7\u00e3o de aplica\u00e7\u00f5es existentes para o F-Stack, quanto a pr\u00f3pria interface de programa\u00e7\u00e3o baseada em corrotinas (microthreads), que simplifica a cria\u00e7\u00e3o de aplica\u00e7\u00f5es em rede e permite evitar l\u00f3gicas complexas de processamento ass\u00edncrono. O F-Stack tamb\u00e9m oferece ferramentas para facilitar seu uso em aplicativos com arquitetura multiprocessada.<\/p>\n<p>Para intera\u00e7\u00e3o com a placa de rede, evitando interfaces do n\u00facleo do sistema operacional, \u00e9 utilizado o framework <noindex><a rel=\"nofollow\" href=\"http:\/\/dpdk.org\/\">DPDK<\/a><\/noindex> (Data Plane Development Kit), que fornece um conjunto de bibliotecas para opera\u00e7\u00f5es de baixo n\u00edvel com adaptadores de rede, intera\u00e7\u00e3o em sistemas multin\u00facleo, utiliza\u00e7\u00e3o de buffers circulares e grandes p\u00e1ginas de mem\u00f3ria (\"huge page\"). O uso do DPDK possibilita a recep\u00e7\u00e3o e envio de pacotes de rede com um n\u00famero m\u00ednimo de ciclos de CPU (cerca de 80 ciclos por pacote) e o desenvolvimento de componentes de alto desempenho da pilha de rede. A funcionalidade do stack TCP\/IP foi emprestada do FreeBSD 11.1 e destacada em uma biblioteca independente do sistema operacional.<\/p>\n<p>O F-Stack \u00e9 posicionado como uma solu\u00e7\u00e3o que pode ser aplicada para aumentar o desempenho dos manipuladores de solicita\u00e7\u00f5es de rede em situa\u00e7\u00f5es onde o funcionamento normal da pilha TCP\/IP do n\u00facleo do Linux se torna um gargalo que limita a escalabilidade. A utiliza\u00e7\u00e3o do F-Stack oferece uma otimiza\u00e7\u00e3o significativa e permite, em algumas situa\u00e7\u00f5es, aumentar v\u00e1rias vezes o n\u00famero de pequenas solicita\u00e7\u00f5es processadas.  <\/p>\n<p><center><noindex><a rel=\"nofollow\" href=\"https:\/\/raw.githubusercontent.com\/F-Stack\/f-stack\/dev\/CPS_Reuseport.png\"><img decoding=\"async\" alt=\"Lan\u00e7amento da pilha de rede F-Stack 1.13, executada no espa\u00e7o do usu\u00e1rio\" src=\"\/wp-content\/uploads\/2019\/11\/c4d5710541cea747f158e1b279e08dda.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><\/p>\n<p><center><noindex><a rel=\"nofollow\" href=\"https:\/\/raw.githubusercontent.com\/F-Stack\/f-stack\/dev\/Bandwidth.png\"><img decoding=\"async\" alt=\"Lan\u00e7amento da pilha de rede F-Stack 1.13, executada no espa\u00e7o do usu\u00e1rio\" src=\"\/wp-content\/uploads\/2019\/11\/81d513c7b6288c8a09b893613e2c67dc.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><\/p>\n<p>O aumento de desempenho \u00e9 alcan\u00e7ado atrav\u00e9s da exclus\u00e3o de opera\u00e7\u00f5es como a c\u00f3pia de pacotes de rede, o agendamento de threads, o tratamento de interrup\u00e7\u00f5es e a utiliza\u00e7\u00e3o de chamadas de sistema. O F-Stack permite alcan\u00e7ar o teto de desempenho de rede poss\u00edvel para a placa de rede utilizada. Por exemplo, solu\u00e7\u00f5es baseadas em F-Stack demonstraram a capacidade de processar 10 milh\u00f5es de conex\u00f5es simult\u00e2neas, 5 milh\u00f5es de solicita\u00e7\u00f5es por segundo e 1 milh\u00e3o de conex\u00f5es por segundo.<\/p>\n<\/ul>\n<p>No novo lan\u00e7amento:<\/p>\n<ul>\n<li class=\"l\"> Suporte a VLAN adicionado;\n<li class=\"l\"> Possibilidade de opera\u00e7\u00e3o em cont\u00eaineres isolados baseados em Docker garantida;\n<li class=\"l\"> Interfaces ff_dup, ff_dup2, ff_ioctl_freebsd, ff_getsockopt_freebsd e ff_setsockopt_freebsd implementadas;\n<li class=\"l\"> Adicionado o par\u00e2metro \"idle_sleep\" para reduzir a carga no CPU na aus\u00eancia de pacotes de entrada\n<li class=\"l\"> Suporte \u00e0 constru\u00e7\u00e3o para a arquitetura ARM64 adicionado;\n<li class=\"l\"> Na vers\u00e3o do Nginx traduzida para F-Stack, manipuladores getpeername, getsockname e shutdown foram substitu\u00eddos;\n<li class=\"l\"> Transi\u00e7\u00e3o para a nova vers\u00e3o DPDK 17.11.4 LTS realizada;\n<li class=\"l\"> Adicionada a ferramenta <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/F-Stack\/f-stack\/tree\/dev\/tools\/traffic\">traffic<\/a><\/noindex> para exibir o tr\u00e1fego atual processado por aplicativos baseados em F-Stack (semelhante ao trafshow).\n<\/ul>\n<p>Dos planos futuros <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/F-Stack\/f-stack\/blob\/dev\/doc\/F-Stack_Roadmap.md\">foi destacado<\/a><\/noindex> suporte a IPv6, fornecimento de API para as linguagens Python, PHP e Go, suporte \u00e0 API Cryptodev (<noindex><a rel=\"nofollow\" href=\"https:\/\/www.intel.com\/content\/www\/us\/en\/architecture-and-technology\/intel-quick-assist-technology-overview.html\">Intel QAT<\/a><\/noindex>), uso de zerocopy ao enviar pacotes, suporte <noindex><a rel=\"nofollow\" href=\"https:\/\/spdk.io\/\">SPDK<\/a><\/noindex> e possibilidade de execu\u00e7\u00e3o na forma de um processo em segundo plano.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Fonte: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51884\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 \u043f\u043e\u043b\u0443\u0442\u043e\u0440\u0430 \u043b\u0435\u0442 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0441\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u0432\u044b\u043f\u0443\u0441\u043a \u043f\u0440\u043e\u0435\u043a\u0442\u0430 F-Stack 1.13, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u044e\u0449\u0435\u0433\u043e \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0449\u0438\u0439 \u0432 \u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0441\u0442\u0432\u0435 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f \u0432\u044b\u0441\u043e\u043a\u043e\u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0439 \u0441\u0435\u0442\u0435\u0432\u043e\u0439 \u0441\u0442\u0435\u043a, \u043e\u0441\u043d\u043e\u0432\u0430\u043d\u043d\u044b\u0439 \u043d\u0430 \u0444\u0440\u0435\u0439\u043c\u0432\u043e\u0440\u043a\u0435 DPDK \u0438 TCP\/IP \u0441\u0442\u0435\u043a\u0435 FreeBSD (F-Stack \u043d\u0435 \u043f\u0440\u0438\u0432\u044f\u0437\u0430\u043d \u043a FreeBSD \u0438 \u0432 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u043f\u0435\u0440\u0432\u0438\u0447\u043d\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b \u0434\u043b\u044f \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0440\u0430\u0441\u0441\u043c\u0430\u0442\u0440\u0438\u0432\u0430\u0435\u0442 Linux). \u041f\u0440\u043e\u0435\u043a\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0432 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0445 \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u0430\u0445 \u0438 \u0441\u0435\u0440\u0432\u0438\u0441\u0430\u0445 Tencent, \u043a\u0440\u0443\u043f\u043d\u0435\u0439\u0448\u0435\u0439 \u0432 \u041a\u0438\u0442\u0430\u0435 \u0442\u0435\u043b\u0435\u043a\u043e\u043c\u043c\u0443\u043d\u0438\u043a\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438. \u041a\u043e\u0434 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-52859","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta 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