{"id":94658,"date":"2020-09-19T13:42:15","date_gmt":"2020-09-19T11:42:15","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/red-hat-razvivaet-novuyu-fs-nvfs-effektivnuyu-dlya-nvm-pamyati"},"modified":"2020-09-19T13:42:15","modified_gmt":"2020-09-19T11:42:15","slug":"red-hat-razvivaet-novuyu-fs-nvfs-effektivnuyu-dlya-nvm-pamyati","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/novosti-interneta\/red-hat-razvivaet-novuyu-fs-nvfs-effektivnuyu-dlya-nvm-pamyati","title":{"rendered":"Red Hat po zhvillon nj\u00eb sistem t\u00eb ri nxjerrjeje NVFS, efikas p\u00ebr kujtes\u00ebn NVM.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Mikulash Pato\u010dka, nj\u00eb nga zhvilluesit e LVM dhe autor i disa shk\u00ebmbimeve<\/a><\/noindex>, i lidhura me optimizimin e funksionimit t\u00eb sistemeve t\u00eb ruajtjes, i pun\u00ebsuar n\u00eb kompanin\u00eb Red Hat, prezentoi<\/a><\/noindex> n\u00eb list\u00ebn e d\u00ebrgimit t\u00eb zhvilluesve t\u00eb b\u00ebrtham\u00ebs Linux p\u00ebr nj\u00eb sistem t\u00eb ri skedar\u00ebsh NVFS<\/a><\/noindex>, e cila ka si q\u00ebllim krijimin e nj\u00eb FS kompakt dhe t\u00eb shpejt\u00eb p\u00ebr \u00e7ipat e memories pa tension (NVM, non-volatile memory, si NVDIMM), e cila kombinon performanc\u00ebn e RAM me mund\u00ebsin\u00eb e ruajtjes s\u00eb p\u00ebrmbajtjes s\u00eb saj. <\/p>\n

Gjat\u00eb zhvillimit t\u00eb NVFS \u00ebsht\u00eb marr\u00eb parasysh p\u00ebrvoja e FS NOVA<\/a><\/noindex>, e krijuar n\u00eb vitin 2017 posa\u00e7\u00ebrisht p\u00ebr memorjen NVM, por e pa pranuar n\u00eb b\u00ebrtham\u00ebn e Linux dhe i kufizuar<\/a><\/noindex> me mb\u00ebshtetje t\u00eb b\u00ebrthamave Linux nga 4.13 n\u00eb 5.1.
\nFS e propozuar NVFS \u00ebsht\u00eb shum\u00eb m\u00eb e thjesht\u00eb se NOVA (4972 rreshta kodi n\u00eb krahasim me 21459), ofron nj\u00eb utilitar fsck, ka performanc\u00eb m\u00eb t\u00eb lart\u00eb, mb\u00ebshtet atributet e avancuara (xattrs), etiketat e siguris\u00eb, ACL dhe kuotat, por nuk mb\u00ebshtet kopje rezerv\u00eb. Arkitektura<\/a><\/noindex> e NVFS \u00ebsht\u00eb e af\u00ebrt me
\nFS Ext4 dhe p\u00ebrshtatet mir\u00eb n\u00eb modelin e sistemit t\u00eb skedar\u00ebve t\u00eb bazuar n\u00eb n\u00ebn-sistemin VFS, gj\u00eb q\u00eb lejon minimizimin e numrit t\u00eb shtresave dhe p\u00ebrdorimin e nj\u00eb moduli, pa pasur nevoj\u00eb p\u00ebr patch-e n\u00eb b\u00ebrtham\u00eb.<\/p>\n

NVFS p\u00ebrdor nd\u00ebrfaqen e b\u00ebrtham\u00ebs DAX<\/a><\/noindex> p\u00ebr qasje t\u00eb drejtp\u00ebrdrejt\u00eb n\u00eb pajisjet e memories q\u00eb ruhet jasht\u00eb caches t\u00eb faqeve. P\u00ebr optimizimin e pun\u00ebs me memorien NVM, e cila p\u00ebrdor adresimin me byte, p\u00ebrmbajtja e nj\u00ebsis\u00eb shfaqet n\u00eb hap\u00ebsir\u00ebn adresuese lineare t\u00eb b\u00ebrtham\u00ebs pa p\u00ebrdorimin e niveleve tradicionale t\u00eb pajisjeve bllok dhe caches nd\u00ebrmjet\u00ebse. P\u00ebr ruajtjen e p\u00ebrmbajtjes s\u00eb katalog\u00ebve p\u00ebrdoret nj\u00eb pem\u00eb baz\u00eb<\/a><\/noindex> (radix tree), ku \u00e7do em\u00ebr skedari \u00ebsht\u00eb hash-uar dhe vlera e hashit p\u00ebrdoret gjat\u00eb k\u00ebrkimit n\u00eb pem\u00eb.<\/p>\n

Integriteti i t\u00eb dh\u00ebnave sigurohet p\u00ebrmes mekanizmit \"soft updates<\/a><\/noindex>\" (si n\u00eb UFS t\u00eb FreeBSD dhe n\u00eb FFS t\u00eb OpenBSD) pa p\u00ebrdorimin e regjistrimit. P\u00ebr t\u00eb shmangur d\u00ebmtimin e skedar\u00ebve n\u00eb NVFS, operacionet e ndryshimit t\u00eb t\u00eb dh\u00ebnave grupohen n\u00eb nj\u00eb m\u00ebnyr\u00eb q\u00eb nj\u00eb d\u00ebshtim nuk mund t\u00eb \u00e7oj\u00eb n\u00eb humbje blokesh ose inode, nd\u00ebrsa integriteti i strukturave rikthehet p\u00ebrmes utilitarit fsck. Utilitari fsck punon n\u00eb modalitet shum\u00ebfidhor dhe siguron performanc\u00eb n\u00eb nivelin e eksplorimit 1.6 milion inode n\u00eb sekond\u00eb.<\/p>\n

N\u00eb testet e performanc\u00ebs<\/a><\/noindex> NVFS realizuar operacionin e kopjimit t\u00eb pem\u00ebs me tekstet burimore t\u00eb kernelit Linux n\u00eb memorien NVM rreth 10% m\u00eb shpejt se NOVA, 30% m\u00eb shpejt se ext4 dhe 37% m\u00eb shpejt se XFS. N\u00eb testin e k\u00ebrkimit t\u00eb t\u00eb dh\u00ebnave, sistemi i skedar\u00ebve NVFS doli m\u00eb i shpejt\u00eb se NOVA me 3%, nd\u00ebrsa krahasuar me ext4 dhe XFS me 15% (por me nj\u00eb cache disku aktiv, NOVA doli m\u00eb e ngadalt\u00eb me 15%).
\nN\u00eb testin e milion operacioneve me katalog\u00eb, NVFS tejkaloi NOVA me 40%, ext4 me 22%, dhe XFS me 46%. Gjat\u00eb simulimit t\u00eb aktivitetit t\u00eb DB, sistemi i skedar\u00ebve NVFS tejkaloi NOVA me 20%, ext4 18 her\u00eb dhe XFS 5 her\u00eb. N\u00eb testin fs_mark, rezultatet e NVFS dhe NOVA ishin p\u00ebraf\u00ebrsisht n\u00eb t\u00eb nj\u00ebjtin nivel, nd\u00ebrsa ext4 dhe XFS mbet\u00ebn prapa rreth 3 her\u00eb.<\/p>\n

Kthimi i sistemeve tradicionale t\u00eb skedar\u00ebve n\u00eb memorjen NVM \u00ebsht\u00eb i lidhur me faktin se ato nuk jan\u00eb t\u00eb dizajnuara p\u00ebr adresimin me byte, i aplikuar n\u00eb memorjen e paenergji, e cila duket si RAM e zakonshme. Leximi nga pajisjet tradicionale siguron atomizmin e operacioneve n\u00eb nivelin e leximit\/shkrimit t\u00eb sektorit, nd\u00ebrsa memorja NVM siguron qasje n\u00eb nivelin e fjal\u00ebve individuale t\u00eb makin\u00ebs. P\u00ebr m\u00eb tep\u00ebr, sistemet tradicionale t\u00eb skedar\u00ebve p\u00ebrpiqen t\u00eb minimizojn\u00eb intensitetin e aksesit n\u00eb mediumin, q\u00eb konsiderohet thell\u00ebsisht m\u00eb i ngadalt\u00eb se RAM, si dhe p\u00ebrpiqen t\u00eb grupojn\u00eb operacionet p\u00ebr t\u00eb siguruar lexim t\u00eb nj\u00ebpasnj\u00ebsh\u00ebm kur p\u00ebrdoren disqet e forta, p\u00ebr t\u00eb p\u00ebrpunuar radh\u00ebt e k\u00ebrkesave, p\u00ebr t\u00eb luftuar fragmentimin dhe p\u00ebr t\u00eb ndar\u00eb p\u00ebrpar\u00ebsit\u00eb e realizimit t\u00eb operacioneve t\u00eb ndryshme. P\u00ebr memorjen NVM, k\u00ebto komplikesime jan\u00eb t\u00eb panevojshme, sepse shpejt\u00ebsia e aksesit n\u00eb t\u00eb dh\u00ebna \u00ebsht\u00eb e krahasueshme me RAM, dhe rendi i aksesit nuk ka r\u00ebnd\u00ebsi.<\/p>\n

<\/a><\/noindex><\/p>\n

Burimi: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041c\u0438\u043a\u0443\u043b\u0430\u0448 \u041f\u0430\u0442\u043e\u0447\u043a\u0430 (Mikuláš Patočka), \u043e\u0434\u0438\u043d \u0438\u0437 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432 LVM \u0438 \u0430\u0432\u0442\u043e\u0440 \u0440\u044f\u0434\u0430 \u0438\u0437\u043e\u0431\u0440\u0435\u0442\u0435\u043d\u0438\u0439, \u0441\u0432\u044f\u0437\u0430\u043d\u043d\u044b\u0445 \u0441 \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u0440\u0430\u0431\u043e\u0442\u044b \u0441\u0438\u0441\u0442\u0435\u043c \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f, \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0449\u0438\u0439 \u0432 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Red Hat, \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b \u0432 \u0441\u043f\u0438\u0441\u043a\u0435 \u0440\u0430\u0441\u0441\u044b\u043b\u043a\u0438 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432 \u044f\u0434\u0440\u0430 Linux \u043d\u043e\u0432\u0443\u044e \u0444\u0430\u0439\u043b\u043e\u0432\u0443\u044e \u0441\u0438\u0441\u0442\u0435\u043c\u0443 NVFS, \u043d\u0430\u0446\u0435\u043b\u0435\u043d\u043d\u0443\u044e \u043d\u0430 \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u0435 \u043a\u043e\u043c\u043f\u0430\u043a\u0442\u043d\u043e\u0439 \u0438 \u0431\u044b\u0441\u0442\u0440\u043e\u0439 \u0424\u0421 \u0434\u043b\u044f \u0447\u0438\u043f\u043e\u0432 \u044d\u043d\u0435\u0440\u0433\u043e\u043d\u0435\u0437\u0430\u0432\u0438\u0441\u0438\u043c\u043e\u0439 \u043f\u0430\u043c\u044f\u0442\u0438 (NVM, non-volatile memory, \u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440 NVDIMM), \u0441\u043e\u0447\u0435\u0442\u0430\u044e\u0449\u0438\u0445 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u041e\u0417\u0423 \u0441 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c\u044e […]<\/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-94658","post","type-post","status-publish","format-standard","hentry","category-novosti-interneta"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47Red Hat zhvillon nj\u00eb sistem t\u00eb ri skedari NVFS, efikas p\u00ebr memorien NVM | ProHoster","description":"Mikul\u00e1\u0161 Pato\u010dka, nj\u00eb nga zhvilluesit e LVM dhe autori i disa shpikjeve lidhur me optimizimin e funksionimit t\u00eb sistemeve t\u00eb ruajtjes, q\u00eb punon n\u00eb kompanin\u00eb Red Hat, paraqiti n\u00eb list\u00ebn e d\u00ebrguesve t\u00eb zhvilluesve t\u00eb kernelit Linux nj\u00eb sistem t\u00eb ri skedari NVFS, i fokusuar n\u00eb krijimin e nj\u00eb sistemi t\u00eb kompakt dhe t\u00eb shpejt\u00eb t\u00eb skedar\u00ebve p\u00ebr \u00e7ipat e memories jo t\u00eb tij\u00eb (NVM, non-volatile memory, si NVDIMM), duke kombinuar performanc\u00ebn e RAM-it me mund\u00ebsin\u00eb","canonical_url":"https:\/\/prohoster.info\/sq\/blog\/novosti-interneta\/red-hat-razvivaet-novuyu-fs-nvfs-effektivnuyu-dlya-nvm-pamyati","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"sq_AL","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47Red Hat 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