{"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\/sk\/blog\/news\/v-yadro-linux-6-15-prinyaty-znachitelnye-optimizaczii-setevoj-podsistemy-i-exfat","title":{"rendered":"Do jadra Linux 6.15 boli prijat\u00e9 v\u00fdznamn\u00e9 optimaliz\u00e1cie sie\u0165ovej subsyst\u00e9my a exFAT","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Do k\u00f3dovej z\u00e1kladne jadra Linux, na z\u00e1klade ktorej sa vytv\u00e1ra verzia 6.15, bol prijat\u00fd s\u00fabor zmien s optimaliz\u00e1ciami, v niektor\u00fdch situ\u00e1ci\u00e1ch v\u00fdrazne zvy\u0161uj\u00facimi v\u00fdkon sie\u0165ov\u00fdch oper\u00e1ci\u00ed:    <\/p>\n<ul>\n<li class=\"l\"> Optimaliz\u00e1cia GRO (Generic Receive Offload), ktor\u00e1 sp\u00e1ja nieko\u013eko mal\u00fdch paketov do jedn\u00e9ho ve\u013ek\u00e9ho, sa teraz vyu\u017e\u00edva pri prep\u00ednan\u00ed spracovania paketu na in\u00fd CPU (na vyv\u00e1\u017eenie z\u00e1\u0165a\u017ee) pri pou\u017eit\u00ed subsyst\u00e9mu XDP (eXpress Data Path), ktor\u00fd umo\u017e\u0148uje spracovanie paketov na \u00farovni sie\u0165ov\u00e9ho ovl\u00e1da\u010da e\u0161te pred ich odovzdan\u00edm sie\u0165ov\u00e9mu z\u00e1sobn\u00edku. N\u00e1rast v\u00fdkonu spracovania TCP tokov z aplik\u00e1cie optimaliz\u00e1cie m\u00f4\u017ee dosiahnu\u0165 dvojn\u00e1sobok.\n<li class=\"l\"> V podmienkach siln\u00e9ho za\u0165a\u017eenia bola v\u00fdkonnos\u0165 funkcie connect() zv\u00fd\u0161en\u00e1 a\u017e dvojn\u00e1sobne v\u010faka nahradeniu spin-z\u00e1mku mechanizmom synchroniz\u00e1cie RCU (Read-Copy-Update) pri vyh\u013ead\u00e1van\u00ed z\u00e1znamov s inform\u00e1ciami o stran\u00e1ch pripojenia (zdrojov\u00e9 a cie\u013eov\u00e9 <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/sk\/lir\/ipv4\/\"   title=\"IP adresy\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"712\">IP adresy<\/a> a porty). Okrem toho bola vykonan\u00e1 optimaliz\u00e1cia hashovania, ktor\u00e1 zabezpe\u010dila n\u00e1rast v\u00fdkonu e\u0161te o 229%.\n<li class=\"l\"> Bol ur\u00fdchlen\u00fd v\u00fdkon MPTCP (Multipath TCP), roz\u0161\u00edrenia protokolu TCP pre organiz\u00e1ciu doru\u010dovania paketov s\u00fa\u010dasne po nieko\u013ek\u00fdch tras\u00e1ch prostredn\u00edctvom r\u00f4znych sie\u0165ov\u00fdch rozhran\u00ed, viazan\u00fdch na r\u00f4zne IP adresy. MPTCP v re\u017eime s jedn\u00fdm tokom bol zr\u00fdchlen\u00fd o 29%.\n<li class=\"l\"> V netfilter pri existencii soketu bolo zastaven\u00e9 vykon\u00e1vanie oper\u00e1ci\u00ed h\u013eadania tr\u00e1s v FIB (Forwarding Information Base). V\u010faka tejto optimaliz\u00e1cii sa v\u00fdkon zv\u00fd\u0161il o 20%.\n<li class=\"l\">  V\u00fdkon UDP v podmienkach fludu (flood) bol zv\u00fd\u0161en\u00fd o 10% vyl\u00fa\u010den\u00edm nadbyto\u010dn\u00fdch oper\u00e1ci\u00ed so \u0161trukt\u00farou sk_tsflags pri prij\u00edman\u00ed paketov.        <\/ul>\n<p>Okrem toho, v pripravovanej verzii jadra Linux 6.15 sa prijalo zlep\u0161enie pre ovl\u00e1da\u010d s\u00faborov\u00e9ho syst\u00e9mu exFAT, ktor\u00e9 ur\u00fdch\u013euje oper\u00e1cie odstra\u0148ovania s\u00faborov. Predt\u00fdm ovl\u00e1da\u010d exFAT posielal po\u017eiadavky na uvo\u013enenie klastrov odstra\u0148ovan\u00e9ho s\u00faboru jednotliv\u00fdmi pr\u00edkazmi \u201ediscard\u201c na ka\u017ed\u00fd uvo\u013enen\u00fd klaster. Optimalizovan\u00e1 verzia tieto po\u017eiadavky zdru\u017euje, v\u00fdsledkom \u010doho sa \u010das odstr\u00e1nenia testovacieho s\u00faboru s ve\u013ekos\u0165ou 80 GB skr\u00e1til z 286 sek\u00fand na 1,6 sekundy.<br \/>\n<br \/>Zdroj: <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 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ProHoster","og:description":"\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: 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