{"id":90292,"date":"2020-07-30T13:42:26","date_gmt":"2020-07-30T11:42:26","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vo-freebsd-sushhestvenno-optimizirovany-operaczii-poiska-v-vfs"},"modified":"2020-07-30T13:42:26","modified_gmt":"2020-07-30T11:42:26","slug":"vo-freebsd-sushhestvenno-optimizirovany-operaczii-poiska-v-vfs","status":"publish","type":"post","link":"https:\/\/prohoster.info\/nl\/blog\/news\/vo-freebsd-sushhestvenno-optimizirovany-operaczii-poiska-v-vfs","title":{"rendered":"In FreeBSD zijn de zoekbewerkingen in VFS aanzienlijk geoptimaliseerd.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>In FreeBSD <noindex><a rel=\"nofollow\" href=\"https:\/\/svnweb.freebsd.org\/base?view=revision&#038;revision=363519\">gewijzigd aangenomen<\/a><\/noindex>, waardoor het mogelijk is om zoekopdrachten in VFS uit te voeren zonder vergrendelingen (lockless lookup). Optimalisaties zijn ge\u00efmplementeerd voor bestandssystemen <noindex><a rel=\"nofollow\" href=\"https:\/\/svnweb.freebsd.org\/base?view=revision&#038;revision=363521\">TmpFS<\/a><\/noindex>, <noindex><a rel=\"nofollow\" href=\"https:\/\/svnweb.freebsd.org\/base?view=revision&#038;revision=363520\">UFS<\/a><\/noindex> en <noindex><a rel=\"nofollow\" href=\"https:\/\/svnweb.freebsd.org\/base?view=revision&#038;revision=363522\">ZFS<\/a><\/noindex>, maar is nog niet van toepassing op ACL, Capsicum, toegang tot bestandsdescriptoren, symbolische links en \u00ab..\u00bb in paden. Voor de genoemde mogelijkheden wordt teruggegrepen naar het oude mechanisme voor bestandsbepaling.<\/p>\n<p>De test uitgevoerd op TmpFS, die de toegangstijd tot verschillende bestanden meet, toonde een prestatieverbetering van 2165816 naar 151216530 bewerkingen per seconde (een toename van 69 keer). Een andere test toonde een vermindering van de uitvoeringstijd van 23 naar 14 seconden.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Bron: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=53442\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412\u043e FreeBSD \u043f\u0440\u0438\u043d\u044f\u0442\u044b \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0435 \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u0442\u044c \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438 \u043f\u043e\u0438\u0441\u043a\u0430 \u0432 VFS \u0431\u0435\u0437 \u0431\u043b\u043e\u043a\u0438\u0440\u043e\u0432\u043e\u043a (lockless lookup). \u041e\u043f\u0442\u0438\u043c\u0438\u0437\u0430\u0446\u0438\u0438 \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u044b \u0434\u043b\u044f \u0444\u0430\u0439\u043b\u043e\u0432\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c TmpFS, UFS \u0438 ZFS, \u043d\u043e \u043f\u043e\u043a\u0430 \u043d\u0435 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043d\u0430 ACL, Capsicum, \u0434\u043e\u0441\u0442\u0443\u043f \u043a \u0444\u0430\u0439\u043b\u043e\u0432\u044b\u043c \u0434\u0435\u0441\u043a\u0440\u0438\u043f\u0442\u043e\u0440\u0430\u043c, \u0441\u0438\u043c\u0432\u043e\u043b\u0438\u0447\u0435\u0441\u043a\u0438\u0435 \u0441\u0441\u044b\u043b\u043a\u0438 \u0438 &#171;..&#187; \u0432 \u043f\u0443\u0442\u044f\u0445. \u0414\u043b\u044f \u0443\u043a\u0430\u0437\u0430\u043d\u043d\u044b\u0445 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0435\u0439 \u043e\u0441\u0443\u0449\u0435\u0441\u0442\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u043e\u0442\u043a\u0430\u0442 \u043d\u0430 \u0441\u0442\u0430\u0440\u044b\u0439 \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u044f \u0444\u0430\u0439\u043b\u043e\u0432. \u041f\u0440\u043e\u0432\u0435\u0434\u0451\u043d\u043d\u044b\u0439 \u043d\u0430 TmpFS \u0442\u0435\u0441\u0442, \u0438\u0437\u043c\u0435\u0440\u044f\u044e\u0449\u0438\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-90292","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 name=\"description\" content=\"\u0412\u043e FreeBSD \u043f\u0440\u0438\u043d\u044f\u0442\u044b \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0435 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