{"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\/ro\/blog\/news\/v-yadro-linux-6-15-prinyaty-znachitelnye-optimizaczii-setevoj-podsistemy-i-exfat","title":{"rendered":"\u00cen nucleul Linux 6.15 au fost implementate optimiz\u0103ri semnificative pentru subsistemul de re\u021bea \u0219i exFAT.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>\u00cen codul de baz\u0103 al nucleului Linux, pe baza c\u0103ruia se formeaz\u0103 versiunea 6.15, a fost adoptat\u0103 o serie de modific\u0103ri cu optimiz\u0103ri, care \u00een anumite situa\u021bii cresc semnificativ performan\u021ba opera\u021biunilor de re\u021bea.    <\/p>\n<ul>\n<li class=\"l\"> Optimizarea GRO (Generic Receive Offload), care combin\u0103 mai multe pachete mici \u00eentr-unul mare, este acum activ\u0103 \u00een timpul transferului de procesare a pachetelor pe un alt CPU (pentru echilibrarea \u00eenc\u0103rc\u0103rii) utiliz\u00e2nd subsistemul XDP (eXpress Data Path), care permite procesarea pachetelor la nivelul driver-ului de re\u021bea \u00eenainte de a fi transmise c\u0103tre stiva de re\u021bea. Cre\u0219terea performan\u021bei \u00een procesarea fluxurilor TCP datorit\u0103 aplic\u0103rii acestei optimiz\u0103ri poate atinge de dou\u0103 ori.\n<li class=\"l\"> \u00cen condi\u021bii de sarcin\u0103 mare, performan\u021ba func\u021biei connect() a fost crescut\u0103 de dou\u0103 ori prin \u00eenlocuirea bloc\u0103rii spin cu un mecanism de sincronizare RCU (Read-Copy-Update) \u00een c\u0103utarea \u00eenregistr\u0103rilor cu informa\u021bii despre p\u0103r\u021bile conexiunii (surse \u0219i destina\u021bii \u0219i porturi). De asemenea, s-a realizat o optimizare a hash-ului, care a adus o cre\u0219tere a performan\u021bei cu 229%. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/ro\/lir\/ipv4\/\"   title=\"adrese IP\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"712\">adrese IP<\/a> Implementarea MPTCP (Multipath TCP), o extensie a protocolului TCP pentru livrarea pachetelor simultan pe mai multe rute prin diferite interfete de re\u021bea asociate cu adrese IP diferite, a fost accelerat\u0103 cu 29% \u00een modul cu un singur flux.\n<li class=\"l\"> \u00cen netfilter, \u00een prezen\u021ba unui socket, s-a oprit executarea opera\u021biunilor de c\u0103utare a rutelor \u00een FIB (Forwarding Information Base). Datorit\u0103 acestei optimiz\u0103ri, performan\u021ba a crescut cu 20%.\n<li class=\"l\"> Performan\u021ba UDP \u00een condi\u021bii de flood a crescut cu 10%, datorit\u0103 elimin\u0103rii opera\u021biunilor inutile cu structura sk_tsflags la primirea pachetelor.\n<li class=\"l\">  \u00cen plus, \u00een nucleul Linux 6.15 aflat \u00een dezvoltare a fost adoptat\u0103 o modificare pentru driverul sistemului de fi\u0219iere exFAT, care accelereaz\u0103 opera\u021biunile de \u0219tergere a fi\u0219ierelor. Anterior, driverul exFAT trimitea separat comenzi \u201ediscard\u201d pentru fiecare cluster eliberat al fi\u0219ierului \u0219ters. Versiunea optimizat\u0103 grupeaz\u0103 comenzile, rezult\u00e2nd \u00een timp de \u0219tergere al unui fi\u0219ier de test de 80 GB redus de la 286 de secunde la 1.6 secunde.        <\/ul>\n<p>\u00cen plus, \u00een kernelul Linux 6.15 aflat \u00een dezvoltare, a fost adoptat\u0103 o modificare pentru driverul sistemului de fi\u0219iere exFAT, care accelereaz\u0103 opera\u021biunile de \u0219tergere a fi\u0219ierelor. Anterior, driverul exFAT trimitea cereri de &#171;discard&#187; pentru fiecare cluster eliberat al fi\u0219ierului \u0219ters. Versiunea optimizat\u0103 grupeaz\u0103 cererile, rezult\u00e2nd astfel o reducere a timpului necesar pentru \u0219tergerea unui fi\u0219ier de test de 80 GB de la 286 de secunde la 1,6 secunde.<br \/>\n<br \/>Sursa: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=62995\">opennet.ro<\/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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