{"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\/fr\/blog\/news\/v-yadro-linux-6-15-prinyaty-znachitelnye-optimizaczii-setevoj-podsistemy-i-exfat","title":{"rendered":"Des optimisations significatives de la sous-syst\u00e8me r\u00e9seau et d'exFAT ont \u00e9t\u00e9 int\u00e9gr\u00e9es dans le noyau Linux 6.15.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>La base de code du noyau Linux, sur laquelle est bas\u00e9 le lancement de la version 6.15, int\u00e8gre un ensemble de modifications visant \u00e0 optimiser la performance, am\u00e9liorant consid\u00e9rablement les op\u00e9rations r\u00e9seau dans certaines situations :    <\/p>\n<ul>\n<li class=\"l\"> L'optimisation GRO (Generic Receive Offload), qui combine plusieurs petits paquets en un grand, est d\u00e9sormais activ\u00e9e lors du transfert de traitement de paquets vers un autre CPU (pour l'\u00e9quilibrage de charge) en utilisant le sous-syst\u00e8me XDP (eXpress Data Path), permettant de traiter les paquets au niveau du pilote r\u00e9seau avant leur passage dans la pile r\u00e9seau. Le gain de performance pour le traitement des flux TCP gr\u00e2ce \u00e0 cette optimisation peut atteindre le double.\n<li class=\"l\"> En p\u00e9riode de forte charge, la performance de la fonction connect() a \u00e9t\u00e9 am\u00e9lior\u00e9e de deux fois gr\u00e2ce au remplacement du verrouillage spin par le m\u00e9canisme de synchronisation RCU (Read-Copy-Update) lors de la recherche des enregistrements d'informations sur les c\u00f4t\u00e9s de la connexion (sources et cibles) <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/fr\/lir\/ipv4\/\"   title=\"adresses IP\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"712\">adresses IP<\/a> et ports). De plus, une optimisation du hachage a permis d'am\u00e9liorer encore la performance de 229%.\n<li class=\"l\"> La r\u00e9alisation de MPTCP (Multipath TCP), une extension du protocole TCP pour assurer la livraison de paquets simultan\u00e9ment par plusieurs chemins via diff\u00e9rentes interfaces r\u00e9seau li\u00e9es \u00e0 diff\u00e9rentes adresses IP, a \u00e9t\u00e9 acc\u00e9l\u00e9r\u00e9e. MPTCP en mode \u00e0 un flux a \u00e9t\u00e9 acc\u00e9l\u00e9r\u00e9 de 29%.\n<li class=\"l\"> Dans netfilter, lorsque le socket est pr\u00e9sent, l'ex\u00e9cution des op\u00e9rations de recherche de routes dans la FIB (Forwarding Information Base) a \u00e9t\u00e9 interrompue. Gr\u00e2ce \u00e0 cette optimisation, la performance a augment\u00e9 de 20%.\n<li class=\"l\">  La performance UDP en cas de flood a \u00e9t\u00e9 augment\u00e9e de 10% gr\u00e2ce \u00e0 l'\u00e9limination d'op\u00e9rations superflues sur la structure sk_tsflags lors de la r\u00e9ception des paquets.        <\/ul>\n<p>De plus, dans le noyau Linux 6.15 en cours de d\u00e9veloppement, un changement a \u00e9t\u00e9 apport\u00e9 au pilote de syst\u00e8me de fichiers exFAT, ce qui acc\u00e9l\u00e8re les op\u00e9rations de suppression de fichiers. Auparavant, le pilote exFAT envoyait des demandes de \"discard\" aux disques pour chaque cluster lib\u00e9r\u00e9 du fichier supprim\u00e9. La version optimis\u00e9e regroupe ces demandes, r\u00e9duisant ainsi le temps de suppression d'un fichier d'essai de 80 Go de 286 secondes \u00e0 1,6 seconde.<br \/>\n<br \/>Source : <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 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0412 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