{"id":54859,"date":"2020-01-06T00:00:00","date_gmt":"2020-01-05T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/arch-linux-pereshyol-na-arhivy-zstd-1300-k-skorosti-raspakovki-paketov"},"modified":"2020-02-18T14:02:55","modified_gmt":"2020-02-18T11:02:55","slug":"arch-linux-pereshyol-na-arhivy-zstd-1300-k-skorosti-raspakovki-paketov","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sv\/blog\/news\/arch-linux-pereshyol-na-arhivy-zstd-1300-k-skorosti-raspakovki-paketov","title":{"rendered":"Arch Linux har \u00f6verg\u00e5tt till zstd-arkiv: 1300% snabbare paketuppackning","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Utvecklarna av Arch Linux rapporterade<\/a><\/noindex>, vad de har \u00e4ndrat paketens komprimeringsschema. Tidigare anv\u00e4ndes algoritmen xz (.pkg.tar.xz). Nu anv\u00e4nds zstd (.pkg.tar.zst). Detta har gjort det m\u00f6jligt att \u00f6ka uppackningshastigheten med 1300 % till priset av en obetydlig \u00f6kning av paketens storlek (ungef\u00e4r 0,8 %). Detta kommer att p\u00e5skynda installations- och uppdateringsprocessen f\u00f6r paketen i systemet.<\/p>\n

\"Arch<\/p>\n

F\u00f6r n\u00e4rvarande talas det om att 545 paket redan har \u00f6versatts till zstd. \u00d6vriga kommer gradvis att f\u00e5 den nya komprimeringsalgoritmen i takt med att uppdateringar sl\u00e4pps. Det \u00e4r viktigt att notera att paket i formatet .pkg.tar.zst automatiskt st\u00f6ds vid uppdateringar av pacman (5.2) och libarchive (3.3.3-1). Om n\u00e5gon av anv\u00e4ndarna \u00e4nnu inte har uppdaterat libarchive, s\u00e5 finns den nya versionen tillg\u00e4nglig i ett separat f\u00f6rr\u00e5d.<\/p>\n

Zstd-algoritmen (zstandard) utvecklades 2015 och presenterades f\u00f6r f\u00f6rsta g\u00e5ngen \u00e5ret efter. Den erbjuder f\u00f6rlustfri komprimering och \u00e4r inriktad p\u00e5 h\u00f6gre hastighet f\u00f6r b\u00e5de komprimering och dekomprimering \u00e4n vanligt. Samtidigt ska komprimeringsf\u00f6rh\u00e5llandet vara j\u00e4mf\u00f6rbart med eller \u00f6vertr\u00e4ffa befintliga l\u00f6sningar. Enligt uppgifter visade version zstd 0.6 vid maximal komprimering ett resultat som var j\u00e4mf\u00f6rbart med boz, yxz, tornado. Den \u00f6vertr\u00e4ffade samtidigt lza, brotli och bzip2.<\/p>\n

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K\u00e4lla: 3dnews.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0420\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u0438 Arch Linux \u0441\u043e\u043e\u0431\u0449\u0438\u043b\u0438, \u0447\u0442\u043e \u0438\u0437\u043c\u0435\u043d\u0438\u043b\u0438 \u0441\u0445\u0435\u043c\u0443 \u0443\u043f\u0430\u043a\u043e\u0432\u043a\u0438 \u043f\u0430\u043a\u0435\u0442\u043e\u0432 \u0441 \u0430\u043b\u0433\u043e\u0440\u0438\u0442\u043c\u0430. \u0420\u0430\u043d\u0435\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043b\u0441\u044f \u0430\u043b\u0433\u043e\u0440\u0438\u0442\u043c xz (.pkg.tar.xz). \u0422\u0435\u043f\u0435\u0440\u044c \u0436\u0435 \u0437\u0430\u0434\u0435\u0439\u0441\u0442\u0432\u043e\u0432\u0430\u043d zstd (.pkg.tar.zst). \u042d\u0442\u043e \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u043b\u043e \u0443\u0432\u0435\u043b\u0438\u0447\u0438\u0442\u044c \u0441\u043a\u043e\u0440\u043e\u0441\u0442\u044c \u0440\u0430\u0441\u043f\u0430\u043a\u043e\u0432\u043a\u0438 \u043d\u0430 1300 % \u0446\u0435\u043d\u043e\u0439 \u043d\u0435\u0437\u043d\u0430\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0433\u043e \u0443\u0432\u0435\u043b\u0438\u0447\u0435\u043d\u0438\u044f \u0440\u0430\u0437\u043c\u0435\u0440\u0430 \u0441\u0430\u043c\u0438\u0445 \u043f\u0430\u043a\u0435\u0442\u043e\u0432 (\u043f\u0440\u0438\u043c\u0435\u0440\u043d\u043e 0,8 %). \u042d\u0442\u043e \u043f\u043e\u0437\u0432\u043e\u043b\u0438\u0442 \u0443\u0441\u043a\u043e\u0440\u0438\u0442\u044c \u043f\u0440\u043e\u0446\u0435\u0441\u0441 \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438 \u0438 \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u043f\u0430\u043a\u0435\u0442\u043e\u0432 \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u0435. \u041d\u0430 \u0434\u0430\u043d\u043d\u044b\u0439 \u043c\u043e\u043c\u0435\u043d\u0442 \u0433\u043e\u0432\u043e\u0440\u0438\u0442\u0441\u044f \u043e \u043f\u0435\u0440\u0435\u0432\u043e\u0434\u0435 \u043d\u0430 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":54860,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-54859","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Arch Linux har \u00f6verg\u00e5tt till zstd-arkiv: 1300% hastighet f\u00f6r avpaketering av paket | ProHoster","description":"Utvecklarna av Arch Linux har meddelat 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