{"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\/pl\/blog\/news\/v-yadro-linux-6-15-prinyaty-znachitelnye-optimizaczii-setevoj-podsistemy-i-exfat","title":{"rendered":"Do j\u0105dra Linux 6.15 wprowadzono znaczne optymalizacje systemu sieciowego oraz exFAT","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>W kodzie \u017ar\u00f3d\u0142owym j\u0105dra Linux, na podstawie kt\u00f3rego powstaje wydanie 6.15, wprowadzono zestaw zmian optymalizacyjnych, kt\u00f3re w niekt\u00f3rych sytuacjach znacznie zwi\u0119kszaj\u0105 wydajno\u015b\u0107 operacji sieciowych:    <\/p>\n<ul>\n<li class=\"l\"> Optymalizacja GRO (Generic Receive Offload), kt\u00f3ra \u0142\u0105czy kilka ma\u0142ych pakiet\u00f3w w jeden du\u017cy, teraz dzia\u0142a podczas przenoszenia przetwarzania pakietu na inny CPU (do r\u00f3wnowa\u017cenia obci\u0105\u017cenia) przy u\u017cyciu podsystemu XDP (eXpress Data Path), kt\u00f3ry pozwala na przetwarzanie pakiet\u00f3w na poziomie sterownika sieciowego przed ich wys\u0142aniem do stosu sieciowego. Wzrost wydajno\u015bci przetwarzania strumieni TCP dzi\u0119ki zastosowanej optymalizacji mo\u017ce si\u0119ga\u0107 dw\u00f3ch razy.\n<li class=\"l\"> W warunkach du\u017cego obci\u0105\u017cenia wydajno\u015b\u0107 funkcji connect() wzros\u0142a dwukrotnie dzi\u0119ki zast\u0105pieniu spin-locka mechanizmem synchronizacji RCU (Read-Copy-Update) przy wyszukiwaniu wpis\u00f3w z informacjami o stronach po\u0142\u0105czenia (\u017ar\u00f3d\u0142owe i docelowe) i porty. Dodatkowo przeprowadzono optymalizacj\u0119 hashowania, kt\u00f3ra zapewni\u0142a wzrost wydajno\u015bci o kolejne 229%. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/pl\/lir\/ipv4\/\"   title=\"adresy IP\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"712\">adresy IP<\/a> Przyspieszono realizacj\u0119 MPTCP (Multipath TCP), rozszerzenia protoko\u0142u TCP umo\u017cliwiaj\u0105cego dostarczanie pakiet\u00f3w jednocze\u015bnie r\u00f3\u017cnymi trasami przez r\u00f3\u017cne interfejsy sieciowe powi\u0105zane z r\u00f3\u017cnymi adresami IP. MPTCP w trybie jednego strumienia przyspieszono o 29%.\n<li class=\"l\"> W netfilter w przypadku istnienia gniazda przerwano wykonywanie operacji wyszukiwania tras w FIB (Forwarding Information Base). Dzi\u0119ki tej optymalizacji wydajno\u015b\u0107 wzros\u0142a o 20%.\n<li class=\"l\"> Wydajno\u015b\u0107 UDP w warunkach flood zwi\u0119kszono o 10% poprzez wyeliminowanie zb\u0119dnych operacji na strukturze sk_tsflags podczas odbierania pakiet\u00f3w.\n<li class=\"l\">  Wydajno\u015b\u0107 UDP w warunkach flood zosta\u0142a zwi\u0119kszona o 10% dzi\u0119ki wyeliminowaniu zb\u0119dnych operacji na strukturze sk_tsflags przy odbieraniu pakiet\u00f3w.        <\/ul>\n<p>Ponadto w rozwijanym j\u0105drze Linux 6.15 wprowadzono zmiany w sterowniku systemu plik\u00f3w exFAT, kt\u00f3re przyspieszaj\u0105 operacje usuwania plik\u00f3w. Wcze\u015bniej sterownik exFAT wysy\u0142a\u0142 osobne zapytania &#171;discard&#187; do no\u015bnik\u00f3w dla ka\u017cdego zwolnionego klastra usuwanego pliku. Zoptymalizowana wersja grupuje zapytania, co skutkuje skr\u00f3ceniem czasu usuni\u0119cia testowego pliku o wielko\u015bci 80 GB z 286 sekund do 1,6 sekundy.<br \/>\n<br \/>\u0179r\u00f3d\u0142o: <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 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0412 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