{"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\/sv\/blog\/news\/pervyj-reliz-wzd-1-0-0-servera-kompaktnogo-hraneniya-melkih-fajlov","title":{"rendered":"F\u00f6rsta utg\u00e5van av wZD 1.0.0, servrar f\u00f6r kompakt lagring av sm\u00e5 filer","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\">Tillg\u00e4nglig<\/a><\/noindex> f\u00f6rsta utg\u00e5van <noindex><a rel=\"nofollow\" href=\"https:\/\/wzd.dev\/\">wZD 1.0.0<\/a><\/noindex> \u2014 servrar f\u00f6r effektiv lagring av ett stort antal filer i kompakt format, som ut\u00e5t ser ut som en vanlig WebDAV-server. F\u00f6r lagring anv\u00e4nds en modifierad version <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/eltaline\/bolt\">BoltDB<\/a><\/noindex>. Projektets kod \u00e4r skriven i spr\u00e5ket Go och <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/eltaline\/wzd\/\">sprids<\/a><\/noindex> under BSD-licensen.<\/p>\n<p>Servern <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/eltaline\/wzd\/blob\/master\/README-RUS.md\">m\u00f6jligg\u00f6r<\/a><\/noindex> kan avsev\u00e4rt minska antalet sm\u00e5 filer p\u00e5 vanliga eller klusterfilsystem med fullst\u00e4ndigt st\u00f6d f\u00f6r l\u00e5sning. Den wZD-kluster som st\u00f6ds av utvecklarna lagrar omkring 250 miljoner sm\u00e5 filer, spridda \u00f6ver 15 miljoner kataloger i ett klusterfilsystem <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/moosefs\/moosefs\">MooseFS<\/a><\/noindex>.<\/p>\n<p>wZD g\u00f6r det m\u00f6jligt att flytta (arkivera) inneh\u00e5llet i kataloger till arkiv i BoltDB-format och sedan distribuera dessa filer fr\u00e5n dessa arkiv (eller l\u00e4gga filer i arkiv med PUT-metoden), vilket signifikant minskar antalet filer i filsystemet och minskar overheaden f\u00f6r lagring av metadata. F\u00f6r att \u00f6ka effektiviteten vid hantering av stora filer kan s\u00e5dana filer lagras separat fr\u00e5n Bolt-arkiven. En s\u00e5dan metod g\u00f6r det m\u00f6jligt att organisera lagring av ett enormt antal sm\u00e5 filer utan att st\u00f6ta p\u00e5 gr\u00e4nser f\u00f6r antalet inode i filsystemet. <\/p>\n<p><center><noindex><a rel=\"nofollow\" href=\"https:\/\/raw.githubusercontent.com\/eltaline\/wzd\/master\/images\/wzd-arch.png\"><img decoding=\"async\" alt=\"F\u00f6rsta utg\u00e5van av wZD 1.0.0, servrar f\u00f6r kompakt lagring av sm\u00e5 filer\" src=\"\/wp-content\/uploads\/2020\/01\/3a9804bd6cd8e4a5f8033c8a19d7cc37.png\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><\/p>\n<p>Servern kan ocks\u00e5 anv\u00e4ndas som en NoSQL-databas f\u00f6r data i nyckel\/v\u00e4rde-format (med sharding baserat p\u00e5 katalogstrukturen) eller f\u00f6r distribution fr\u00e5n en databas av f\u00f6rgenererade HTML eller JSON-dokument. N\u00e4r det g\u00e4ller prestanda resulterar \u00f6verf\u00f6ring och skrivning av data med hj\u00e4lp av Bolt-arkiv i en \u00f6kning av f\u00f6rdr\u00f6jningen p\u00e5 cirka 20\u201325 % vid l\u00e4sning och 40\u201350 % vid skrivning. Ju mindre filens storlek \u00e4r, desto mindre skillnad i f\u00f6rdr\u00f6jningar.<\/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=\"F\u00f6rsta utg\u00e5van av wZD 1.0.0, servrar f\u00f6r kompakt lagring av sm\u00e5 filer\" src=\"\/wp-content\/uploads\/2020\/01\/a76146504e18bfdf416f69d3022db5e4.png\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><\/p>\n<p>Huvud <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/eltaline\/wzd\/blob\/master\/README-RUS.md\">m\u00f6jligheten till<\/a><\/noindex>:<\/p>\n<ul>\n<li> Multithreading;\n<li> Multiserver, vilket s\u00e4kerst\u00e4ller drifts\u00e4kerhet och lastbalansering;\n<li> Maximal transparens f\u00f6r anv\u00e4ndaren eller utvecklaren;\n<li> St\u00f6dda HTTP-metoder: GET, HEAD, PUT och DELETE;\n<li> Hantera beteende vid l\u00e4sning och skrivning via klienthuvuden;\n<li> St\u00f6d f\u00f6r flexibelt konfigurerbara virtuella v\u00e4rdar;\n<li> St\u00f6d f\u00f6r CRC-integritet vid skrivning\/l\u00e4sning;\n<li> Halvdynamiska buffrar f\u00f6r minimal minnesanv\u00e4ndning och optimal n\u00e4tverksprestanda;\n<li> F\u00f6rdr\u00f6jd packning av data;\n<li> Dessutom erbjuds en multitr\u00e5dad kompressor <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/eltaline\/wza\/blob\/master\/README-RUS.md\">wZA<\/a><\/noindex> f\u00f6r att flytta filer till Bolt-arkiv utan att stoppa tj\u00e4nsten.\n<\/ul>\n<p>N\u00e5gra begr\u00e4nsningar f\u00f6r den aktuella utg\u00e5van: ingen st\u00f6d f\u00f6r Multipart, POST-metoden, HTTPS-protokollet, bindningar f\u00f6r programmeringsspr\u00e5k, rekursiv borttagning av kataloger, inget st\u00f6d f\u00f6r att montera strukturen i filsystemet via WebDAV eller FUSE, filer lagras under en systemanv\u00e4ndare. Lagringsformatet \u00e4r kopplat till arkitekturen och \u00e4r inte \u00f6verf\u00f6rbart mellan system med Little Endian och Big Endian. Trots att wZD-servern implementerar st\u00f6d f\u00f6r HTTP-protokollet, kr\u00e4vs det att den k\u00f6rs under skydd av reversproxy, s\u00e5som nginx och haproxy.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>K\u00e4lla: <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 5.0.4 - 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