{"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\/it\/blog\/news\/v-yadro-linux-6-15-prinyaty-znachitelnye-optimizaczii-setevoj-podsistemy-i-exfat","title":{"rendered":"Nel kernel Linux 6.15 sono state apportate significative ottimizzazioni al sottosistema di rete e a exFAT","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Nella base di codice del kernel Linux, sulla quale si basa il rilascio 6.15, \u00e8 stato approvato un insieme di modifiche con ottimizzazioni che, in diverse situazioni, migliorano significativamente le prestazioni delle operazioni di rete:    <\/p>\n<ul>\n<li class=\"l\"> L'ottimizzazione GRO (Generic Receive Offload), che unisce pi\u00f9 pacchetti piccoli in uno grande, \u00e8 ora attivata al momento del passaggio della gestione del pacchetto a un'altra CPU (per il bilanciamento del carico) utilizzando il sottosistema XDP (eXpress Data Path), che consente di elaborare i pacchetti a livello del driver di rete prima del loro invio allo stack di rete. L'aumento delle prestazioni nella gestione dei flussi TCP grazie all'ottimizzazione pu\u00f2 raggiungere fino a due volte.\n<li class=\"l\"> In condizioni di carico elevato, le prestazioni della funzione connect() sono raddoppiate grazie alla sostituzione del blocco spin con un meccanismo di sincronizzazione RCU (Read-Copy-Update) nel processo di ricerca delle voci con informazioni sulle parti della connessione (sorgenti e destinazioni e porte). \u00c8 stata inoltre eseguita un'ottimizzazione dell'hashing, che ha fornito un ulteriore incremento delle prestazioni del 229%. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/it\/lir\/ipv4\/\"   title=\"Indirizzi IP\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"712\">Indirizzi IP<\/a> \u00c8 stata accelerata l'implementazione di MPTCP (Multipath TCP), un'estensione del protocollo TCP per organizzare la consegna dei pacchetti simultaneamente su pi\u00f9 percorsi attraverso differenti interfacce di rete legate a diversi indirizzi IP. MPTCP in modalit\u00e0 a flusso singolo \u00e8 stato accelerato del 29%.\n<li class=\"l\"> In netfilter, in presenza di socket, \u00e8 stata interrotta l'esecuzione delle operazioni di ricerca degli itinerari nel FIB (Forwarding Information Base). Grazie a questa ottimizzazione, le prestazioni sono aumentate del 20%.\n<li class=\"l\"> Le prestazioni UDP in condizioni di flood sono aumentate del 10% grazie all'esclusione di operazioni non necessarie sulla struttura sk_tsflags durante la ricezione dei pacchetti.\n<li class=\"l\">  Le prestazioni di UDP in condizioni di flood sono aumentate del 10%, grazie all'esclusione di operazioni superflue sulla struttura sk_tsflags durante la ricezione dei pacchetti.        <\/ul>\n<p>Inoltre, nel kernel Linux 6.15 in fase di sviluppo, \u00e8 stata apportata una modifica al driver del file system exFAT, che velocizza le operazioni di eliminazione dei file. In precedenza, il driver exFAT inviava separatamente ai dispositivi richieste di 'discard' per ogni cluster liberato del file eliminato. La versione ottimizzata raggruppa le richieste, riducendo cos\u00ec il tempo di eliminazione di un file di prova di 80 GB da 286 secondi a 1,6 secondi.<br \/>\n<br \/>Fonte: <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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