{"id":123270,"date":"2025-04-03T03:05:07","date_gmt":"2025-04-03T01:05:07","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/v-yadro-linux-6-15-prinyaty-znachitelnye-optimizaczii-setevoj-podsistemy-i-exfat"},"modified":"2025-04-03T03:05:07","modified_gmt":"2025-04-03T01:05:07","slug":"v-yadro-linux-6-15-prinyaty-znachitelnye-optimizaczii-setevoj-podsistemy-i-exfat","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/news\/v-yadro-linux-6-15-prinyaty-znachitelnye-optimizaczii-setevoj-podsistemy-i-exfat","title":{"rendered":"Der er betydelige optimeringer af netv\u00e6rkssystemet og exFAT accepteret i Linux 6.15-kernen.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>I kernen af Linux-version 6.15 er der blevet accepteret et s\u00e6t \u00e6ndringer med optimeringer, der i flere situationer v\u00e6sentligt \u00f8ger ydeevnen af netv\u00e6rksoperationer:    <\/p>\n<ul>\n<li class=\"l\"> Optimeringen GRO (Generic Receive Offload), som samler flere sm\u00e5 pakker til \u00e9n stor, er nu aktiveret ved skift af pakkeh\u00e5ndtering til en anden CPU (til belastningsbalancering) ved brug af XDP (eXpress Data Path) subsystemet, som muligg\u00f8r behandling af pakker p\u00e5 niveau med netv\u00e6rksdriveren inden de sendes til netv\u00e6rksstakken. Ydeevnen for behandling af TCP-str\u00f8mme ved brug af optimeringen kan n\u00e5 op til det dobbelte.\n<li class=\"l\"> Under h\u00f8j belastning er ydeevnen af funktionen connect() forbedret op til det dobbelte ved at erstatte spin-l\u00e5sning med synchroniseringsmekanismen RCU (Read-Copy-Update) i s\u00f8gningen efter poster med oplysninger om forbindelsesparter (kilde og destination og porte). Derudover er hashing-optimeringen blevet udf\u00f8rt, hvilket har givet en yderligere forbedring af ydeevnen med 229%. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/da\/lir\/ipv4\/\"   title=\"IP-adresser\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"712\">IP-adresser<\/a> Implementeringen af MPTCP (Multipath TCP), en udvidelse af TCP-protokollen til at organisere levering af pakker samtidigt gennem flere ruter via forskellige netv\u00e6rksinterface bundet til forskellige IP-adresser, er blevet accelereret. MPTCP i en enkelt str\u00f8m er blevet accelereret med 29%.\n<li class=\"l\"> I netfilter er operationer for ruteopslag i FIB (Forwarding Information Base) stoppet, hvis der findes en socket. Denne optimering har resulteret i en ydeevnefor\u00f8gelse p\u00e5 20%.\n<li class=\"l\"> Ydeevnen af UDP under flooding-forhold er steget med 10% ved at udelukke un\u00f8dvendige operationer med strukturen sk_tsflags ved modtagelse af pakker.\n<li class=\"l\">  Derudover er der i den under udvikling v\u00e6rende Linux-kerne 6.15 blevet accepteret en \u00e6ndring til exFAT-filsystemdriveren, der accelererer fil-operations. Tidligere sendte exFAT-driveren individuelle foresp\u00f8rgsler om 'discard' til diskenhederne for hver frigivet kluster af den slettede fil. Den optimerede version grupperer foresp\u00f8rgslerne, hvilket resulterer i, at tiden for at slette en testfil p\u00e5 80 GB er reduceret fra 286 sekunder til 1,6 sekunder.        <\/ul>\n<p>Desuden er der i den under udvikling v\u00e6rende Linux-kerne 6.15 blevet foretaget en \u00e6ndring til exFAT filsystemdriveren, som accelererer sletningsoperationer. Tidligere sendte exFAT-driveren separate \"discard\"-anmodninger til drevene for hver frigivet klynge af den slettede fil. Den optimerede version grupperer anmodningerne, hvilket reducerede tiden for sletning af en testfil p\u00e5 80 GB fra 286 sekunder til 1,6 sekunder.<br \/>\n<br \/>Kilde: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=62995\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 \u0441\u043e\u0441\u0442\u0430\u0432 \u043a\u043e\u0434\u043e\u0432\u043e\u0439 \u0431\u0430\u0437\u044b \u044f\u0434\u0440\u0430 Linux, \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u0444\u043e\u0440\u043c\u0438\u0440\u0443\u0435\u0442\u0441\u044f \u0432\u044b\u043f\u0443\u0441\u043a 6.15, \u043f\u0440\u0438\u043d\u044f\u0442 \u043d\u0430\u0431\u043e\u0440 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439 \u0441 \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0430\u0446\u0438\u044f\u043c\u0438, \u0432 \u0440\u044f\u0434\u0435 \u0441\u0438\u0442\u0443\u0430\u0446\u0438\u0439 \u0437\u043d\u0430\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u043e \u043f\u043e\u0432\u044b\u0448\u0430\u044e\u0449\u0438\u0445 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u0441\u0435\u0442\u0435\u0432\u044b\u0445 \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0439: \u041e\u043f\u0442\u0438\u043c\u0438\u0437\u0430\u0446\u0438\u044f GRO (Generic Receive Offload), \u043e\u0431\u044a\u0435\u0434\u0438\u043d\u044f\u044e\u0449\u0430\u044f \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u043c\u0435\u043b\u043a\u0438\u0445 \u043f\u0430\u043a\u0435\u0442\u043e\u0432 \u0432 \u043e\u0434\u0438\u043d \u0431\u043e\u043b\u044c\u0448\u043e\u0439, \u0442\u0435\u043f\u0435\u0440\u044c \u0437\u0430\u0434\u0435\u0439\u0441\u0442\u0432\u043e\u0432\u0430\u043d\u0430 \u043f\u0440\u0438 \u043f\u0435\u0440\u0435\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0438 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043f\u0430\u043a\u0435\u0442\u0430 \u043d\u0430 \u0434\u0440\u0443\u0433\u043e\u0439 CPU (\u0434\u043b\u044f \u0431\u0430\u043b\u0430\u043d\u0441\u0438\u0440\u043e\u0432\u043a\u0438 \u043d\u0430\u0433\u0440\u0443\u0437\u043a\u0438) \u043f\u0440\u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0438 \u043f\u043e\u0434\u0441\u0438\u0441\u0442\u0435\u043c\u044b XDP (eXpress Data [&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-123270","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 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