{"id":55405,"date":"2020-01-19T00:00:00","date_gmt":"2020-01-18T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/pervyj-reliz-wzd-1-0-0-servera-kompaktnogo-hraneniya-melkih-fajlov"},"modified":"2020-02-18T14:03:30","modified_gmt":"2020-02-18T11:03:30","slug":"pervyj-reliz-wzd-1-0-0-servera-kompaktnogo-hraneniya-melkih-fajlov","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/pervyj-reliz-wzd-1-0-0-servera-kompaktnogo-hraneniya-melkih-fajlov","title":{"rendered":"Primeiro lan\u00e7amento do wZD 1.0.0, servidores de armazenamento compacto para pequenos arquivos.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/eltaline\/wzd\/releases\/tag\/v1.0.0\">Dispon\u00edvel<\/a><\/noindex> o primeiro epis\u00f3dio <noindex><a rel=\"nofollow\" href=\"https:\/\/wzd.dev\/\">wZD 1.0.0<\/a><\/noindex> \u2014 servidores para armazenamento eficaz de um grande n\u00famero de arquivos de forma compacta, que externamente se apresenta como um servidor WebDAV comum. Para armazenamento, \u00e9 utilizada uma vers\u00e3o modificada <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/eltaline\/bolt\">BoltDB<\/a><\/noindex>. O c\u00f3digo do projeto foi escrito na linguagem Go e <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/eltaline\/wzd\/\">\u00e9 distribu\u00eddo<\/a><\/noindex> sob a licen\u00e7a BSD.<\/p>\n<p>Servidor <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/eltaline\/wzd\/blob\/master\/README-RUS.md\">permite<\/a><\/noindex> reduz significativamente o n\u00famero de pequenos arquivos em sistemas de arquivos comuns ou em cluster com suporte total para bloqueios. O cluster suportado pelos desenvolvedores do wZD armazena cerca de 250 milh\u00f5es de pequenos arquivos distribu\u00eddos por 15 milh\u00f5es de diret\u00f3rios no sistema de arquivos em cluster <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/moosefs\/moosefs\">MooseFS<\/a><\/noindex>.<\/p>\n<p>o wZD permite mover (arquivar) o conte\u00fado dos diret\u00f3rios em arquivos no formato BoltDB e, em seguida, servir esses arquivos a partir desses arquivos (ou colocar arquivos nos arquivos usando o m\u00e9todo PUT), reduzindo significativamente o n\u00famero de arquivos no sistema de arquivos e diminuindo os custos de armazenamento de metadados. Para melhorar a efici\u00eancia no tratamento de arquivos grandes, esses arquivos podem ser salvos separadamente dos arquivos Bolt. Essa abordagem permite organizar o armazenamento de um enorme n\u00famero de pequenos arquivos, sem esbarrar no limite de inode do sistema de arquivos. <\/p>\n<p><center><noindex><a rel=\"nofollow\" href=\"https:\/\/raw.githubusercontent.com\/eltaline\/wzd\/master\/images\/wzd-arch.png\"><img decoding=\"async\" alt=\"Primeiro lan\u00e7amento do wZD 1.0.0, servidores de armazenamento compacto para pequenos arquivos.\" src=\"\/wp-content\/uploads\/2020\/01\/3a9804bd6cd8e4a5f8033c8a19d7cc37.png\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><\/p>\n<p>O servidor tamb\u00e9m pode ser usado como um banco de dados NoSQL para dados no formato chave\/valor (com sharding baseado na estrutura de diret\u00f3rios) ou para servir documentos html ou json pr\u00e9-gerados a partir do banco de dados. Em termos de desempenho, a leitura e grava\u00e7\u00e3o de dados usando arquivos Bolt resulta em um aumento de lat\u00eancia de aproximadamente 20-25% na leitura e de 40-50% na grava\u00e7\u00e3o. Quanto menor o tamanho do arquivo, menores as diferen\u00e7as nas lat\u00eancias.<\/p>\n<p><center><noindex><a rel=\"nofollow\" href=\"https:\/\/raw.githubusercontent.com\/eltaline\/wzd\/master\/images\/get-put-32M.png\"><img decoding=\"async\" alt=\"Primeiro lan\u00e7amento do wZD 1.0.0, servidores de armazenamento compacto para pequenos arquivos.\" src=\"\/wp-content\/uploads\/2020\/01\/a76146504e18bfdf416f69d3022db5e4.png\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><\/p>\n<p>Principais <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/eltaline\/wzd\/blob\/master\/README-RUS.md\">da funcionalidade<\/a><\/noindex>:<\/p>\n<ul>\n<li> Multithreading;\n<li> Multi-servidor, garantindo resili\u00eancia e balanceamento de carga;\n<li> M\u00e1xima transpar\u00eancia para o usu\u00e1rio ou desenvolvedor;\n<li> M\u00e9todos HTTP suportados: GET, HEAD, PUT e DELETE;\n<li> Gerenciamento de comportamento de leitura e escrita atrav\u00e9s de cabe\u00e7alhos do cliente;\n<li> Suporte a hosts virtuais configur\u00e1veis de forma flex\u00edvel;\n<li> Suporte a integridade de dados CRC na grava\u00e7\u00e3o\/leitura;\n<li> Buffers semi-din\u00e2micos para consumo m\u00ednimo de mem\u00f3ria e otimiza\u00e7\u00e3o do desempenho da rede;\n<li> Compacta\u00e7\u00e3o de dados adiada;\n<li> Al\u00e9m disso, \u00e9 oferecido um compactador multithread <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/eltaline\/wza\/blob\/master\/README-RUS.md\">wZA<\/a><\/noindex> para mover arquivos para arquivos Bolt sem parar o servi\u00e7o.\n<\/ul>\n<p>Algumas limita\u00e7\u00f5es da vers\u00e3o atual: sem suporte a Multipart, m\u00e9todo POST, protocolo HTTPS, bindings para linguagens de programa\u00e7\u00e3o, remo\u00e7\u00e3o recursiva de diret\u00f3rios, falta de suporte para montagem da estrutura no sistema de arquivos via WebDAV ou FUSE, os arquivos s\u00e3o armazenados sob um \u00fanico usu\u00e1rio do sistema. O formato de armazenamento \u00e9 vinculado \u00e0 arquitetura e n\u00e3o \u00e9 port\u00e1vel entre sistemas Little Endian e Big Endian. Embora o servidor wZD implemente suporte ao protocolo HTTP, ele deve ser executado apenas atr\u00e1s de um proxy reverso, como nginx e haproxy.<\/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=52214\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0414\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u043f\u0435\u0440\u0432\u044b\u0439 \u0432\u044b\u043f\u0443\u0441\u043a wZD 1.0.0 &#8212; \u0441\u0435\u0440\u0432\u0435\u0440\u0430 \u0434\u043b\u044f \u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u043e\u0433\u043e \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u0431\u043e\u043b\u044c\u0448\u043e\u0433\u043e \u0447\u0438\u0441\u043b\u0430 \u0444\u0430\u0439\u043b\u043e\u0432 \u0432 \u043a\u043e\u043c\u043f\u0430\u043a\u0442\u043d\u043e\u043c \u0432\u0438\u0434\u0435, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0441\u043d\u0430\u0440\u0443\u0436\u0438 \u0432\u044b\u0433\u043b\u044f\u0434\u0438\u0442 \u043a\u0430\u043a \u043e\u0431\u044b\u0447\u043d\u044b\u0439 WebDAV-\u0441\u0435\u0440\u0432\u0435\u0440. \u0414\u043b\u044f \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u043c\u043e\u0434\u0438\u0444\u0438\u0446\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u0430\u044f \u0432\u0435\u0440\u0441\u0438\u044f BoltDB. \u041a\u043e\u0434 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 Go \u0438 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 BSD. \u0421\u0435\u0440\u0432\u0435\u0440 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0437\u043d\u0430\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u0441\u043e\u043a\u0440\u0430\u0442\u0438\u0442\u044c \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u043c\u0430\u043b\u0435\u043d\u044c\u043a\u0438\u0445 \u0444\u0430\u0439\u043b\u043e\u0432 \u043d\u0430 \u043e\u0431\u044b\u0447\u043d\u044b\u0445 \u0438\u043b\u0438 \u043a\u043b\u0430\u0441\u0442\u0435\u0440\u043d\u044b\u0445 \u0444\u0430\u0439\u043b\u043e\u0432\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445 \u0441 \u043f\u043e\u043b\u043d\u043e\u0439 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u043e\u0439 [&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-55405","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - 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