{"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\/hr\/blog\/news\/v-yadro-linux-6-15-prinyaty-znachitelnye-optimizaczii-setevoj-podsistemy-i-exfat","title":{"rendered":"U Linux jezgru 6.15 prihva\u0107ene su zna\u010dajne optimizacije mre\u017enog sustava i exFAT","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>U kodnoj bazi Linux jezgre, na temelju koje se formira izdanje 6.15, usvojen je set promjena s optimizacijama koje u odre\u0111enim situacijama zna\u010dajno pove\u0107avaju performanse mre\u017enih operacija:    <\/p>\n<ul>\n<li class=\"l\"> Optimizacija GRO (Generic Receive Offload), koja spaja nekoliko malih paketa u jedan veliki, sada se koristi prilikom prebacivanja obrade paketa na drugi CPU (radi ravnote\u017ee optere\u0107enja) pri kori\u0161tenju XDP (eXpress Data Path) pod sustava, koji omogu\u0107ava obradu paketa na razini mre\u017enog upravlja\u010da prije njihovog slanja mre\u017enom steku. Pove\u0107anje performansi obrade TCP tokova s upotrebom optimizacije mo\u017ee dose\u0107i dva puta.\n<li class=\"l\"> U uvjetima velikog optere\u0107enja performanse funkcije connect() pove\u0107ane su do dva puta zamjenom spin zaklju\u010davanja s mehanizmom sinhronizacije RCU (Read-Copy-Update) prilikom pretra\u017eivanja zapisa s informacijama o stranama veze (izvorne i ciljne <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/hr\/lir\/ipv4\/\"   title=\"IP adrese\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"712\">IP adrese<\/a> i portove). Dodatno, izvr\u0161ena je optimizacija hashiranja koja je osigurala daljnje pove\u0107anje performansi od 229%.\n<li class=\"l\"> Implementacija MPTCP (Multipath TCP), pro\u0161irenja TCP protokola za organizaciju isporuke paketa simultano putem nekoliko ruta kroz razli\u010dite mre\u017ene su\u010delje povezane na razli\u010dite IP adrese, ubrzana je. MPTCP u re\u017eimu s jednim tokom ubrzan je za 29%.\n<li class=\"l\"> U netfilteru je obustavljena izvedba operacija pretra\u017eivanja ruta u FIB-u (Forwarding Information Base) u prisustvu soketa. Zahvaljuju\u0107i ovoj optimizaciji, performanse su pove\u0107ane za 20%.\n<li class=\"l\">  Performanse UDP-a u uvjetima fludiranja (flood) pove\u0107ane su za 10%, isklju\u010divanjem suvi\u0161nih operacija s strukturom sk_tsflags prilikom primanja paketa.        <\/ul>\n<p>Osim toga, u jezgru Linux 6.15 koje je u razvoju, donesena je promjena za exFAT datote\u010dni sustav koja ubrzava operacije brisanja datoteka. Prije je exFAT upravlja\u010d slao zahtjeve za 'discard' na svaki oslobo\u0111eni klaster brisane datoteke. Optimizirana verzija grupira zahtjeve, pa je vrijeme brisanja probne datoteke veli\u010dine 80 GB smanjeno s 286 sekundi na 1,6 sekundi.<br \/>\n<br \/>Izvor: <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 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0412 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