{"id":112173,"date":"2023-12-13T03:10:13","date_gmt":"2023-12-13T01:10:13","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/opublikovana-platforma-sef-dlya-programmno-upravlyaemyh-flash-nakopitelej"},"modified":"2023-12-13T03:10:13","modified_gmt":"2023-12-13T01:10:13","slug":"opublikovana-platforma-sef-dlya-programmno-upravlyaemyh-flash-nakopitelej","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/news\/opublikovana-platforma-sef-dlya-programmno-upravlyaemyh-flash-nakopitelej","title":{"rendered":"\u00cbsht\u00eb publikuar platforma SEF p\u00ebr Flash storage t\u00eb menaxhueshme n\u00eb m\u00ebnyr\u00eb programore","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Organizata Linux Foundation prezantoi numrin e par\u00eb t\u00eb platform\u00ebs s\u00eb hapur p\u00ebr memorje Flash t\u00eb menaxhuar nga programi SEF (Software Enabled Flash), e cila \u00ebsht\u00eb nd\u00ebrtuar mbi baz\u00ebn e kodit t\u00eb dh\u00ebn\u00eb nga kompania KIOXIA (deri n\u00eb rinovimin e emrit si Toshiba Memory Corporation), ku u shpik memorja Flash n\u00eb vitin 1980. Tekstet burimore t\u00eb instrumenteve jan\u00eb shkruar n\u00eb gjuh\u00ebn C dhe shp\u00ebrndahen n\u00ebn licenc\u00ebn BSD. <\/p>\n

Inxhinieria p\u00ebrfshin nj\u00eb grup patch-esh p\u00ebr b\u00ebrthamat Linux, nj\u00eb drejtues bllokues p\u00ebr pajisjet SEF (Software Enabled Flash), mjete p\u00ebr menaxhim nga linja e komand\u00ebs, drejtues SEF t\u00eb paravirtualizuar p\u00ebr QEMU, nj\u00eb bibliotek\u00eb me API p\u00ebr zhvillimin e aplikacioneve, patch-e p\u00ebr nvme-cli dhe FIO q\u00eb shtojn\u00eb mb\u00ebshtetje p\u00ebr SEF. SDK gjithashtu p\u00ebrfshin nj\u00eb implementim referenc\u00eb t\u00eb nivelit programor FTL (Flash Translation Layer), i cili siguron p\u00ebrkthimin e komandeve t\u00eb pajisjeve bllokuese n\u00eb thirrje p\u00ebr \u00e7ipin real t\u00eb Flash-memories, mbledhjen e mbetjeve dhe shp\u00ebrndarjen e t\u00eb dh\u00ebnave n\u00eb qelizat e memories. FTL zbaton mb\u00ebshtetje p\u00ebr vendosjen fleksibile t\u00eb t\u00eb dh\u00ebnave (FDP - Flexible Data Placement), zonimin (ZNS - Zoned Namespace) dhe specifikimin NVMe. <\/p>\n

N\u00eb Flash-et e zakonshme p\u00ebr sisteme t\u00eb jashtme, memorja p\u00ebrb\u00ebn nj\u00eb kuti t\u00eb zez\u00eb, nj\u00eb pjes\u00eb e memorjes rezervohet p\u00ebr operacione sh\u00ebrbimi, treguesit e performanc\u00ebs jan\u00eb t\u00eb paq\u00ebndruesh\u00ebm dhe ndodhin vonesa t\u00eb paparashikueshme p\u00ebr shkak t\u00eb aktivitetit t\u00eb brendsh\u00ebm t\u00eb kontrollorit, p\u00ebr shembull, gjat\u00eb mbledhjes s\u00eb mbetjeve. Ndryshe nga memorjet Flash tradicionale, ku shp\u00ebrndarja e t\u00eb dh\u00ebnave, izolimi i bllokave me defekte dhe mbledhja e mbetjeve b\u00ebhet nga firmware i kontrollorit, memorjet me mb\u00ebshtetje SEF lejojn\u00eb q\u00eb logjika e funksionimit t\u00eb ul\u00ebt me \u00e7ipin e memorjes Flash t\u00eb rihet n\u00eb an\u00ebn e softuerit dhe sistemit operativ. <\/p>\n

SEF ofron mund\u00ebsin\u00eb p\u00ebr t\u00eb menaxhuar drejtp\u00ebrdrejt vendosjen fizike t\u00eb t\u00eb dh\u00ebnave, p\u00ebr t\u00eb ndryshuar algoritmet e shp\u00ebrndarjes s\u00eb ngarkes\u00ebs, p\u00ebr t\u00eb menaxhuar prioritetet dhe QoS, p\u00ebr t\u00eb eliminuar nj\u00eb shtres\u00eb shtes\u00eb t\u00eb p\u00ebrkthimit t\u00eb blloqeve, p\u00ebr t\u00eb angazhuar gjith\u00eb memorien n\u00eb dispozicion, p\u00ebr t\u00eb siguruar nj\u00eb funksionim t\u00eb parashikuesh\u00ebm me memorien dhe p\u00ebr t\u00eb ndar\u00eb memorien n\u00eb pajisje virtuale, t\u00eb izoluara n\u00eb nivelin e hyrjes\/daljes dhe q\u00eb kan\u00eb prioritet t\u00eb ndrysh\u00ebm n\u00eb p\u00ebrpunim. Qasja e propozuar n\u00eb SEF lejon uljen e kostove dhe rritjen e efikasitetit t\u00eb nd\u00ebrveprimit me memorien p\u00ebrmes adaptimit n\u00eb nevojat aktuale t\u00eb logjik\u00ebs s\u00eb mbledhjes s\u00eb mbetjeve, rezervimit t\u00eb memories dhe shp\u00ebrndarjes s\u00eb blloqeve p\u00ebr t\u00eb ulur konsumimin. <\/p>\n

P\u00ebr shembull, SEF lejon normalizimin e performanc\u00ebs n\u00eb kushte t\u00eb p\u00ebrdorimit t\u00eb nj\u00eb grupi t\u00eb memorieve t\u00eb blera n\u00eb koh\u00eb t\u00eb ndryshme me karakteristika t\u00eb ndryshme. P\u00ebr memoriet q\u00eb p\u00ebrdoren kryesisht vet\u00ebm p\u00ebr lexim, fal\u00eb SEF, mund t\u00eb p\u00ebrdoren algoritme m\u00eb t\u00eb thjeshta p\u00ebr shp\u00ebrndarjen e blloqeve dhe t\u00eb ulet memoria e rezervuar p\u00ebr q\u00ebllime administrative.
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Burimi: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u044f Linux Foundation \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0430 \u043f\u0435\u0440\u0432\u044b\u0439 \u0432\u044b\u043f\u0443\u0441\u043a \u043e\u0442\u043a\u0440\u044b\u0442\u043e\u0439 \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b \u0434\u043b\u044f \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u043d\u043e \u0443\u043f\u0440\u0430\u0432\u043b\u044f\u0435\u043c\u044b\u0445 Flash-\u043d\u0430\u043a\u043e\u043f\u0438\u0442\u0435\u043b\u0435\u0439 SEF (Software Enabled Flash), \u043f\u043e\u0441\u0442\u0440\u043e\u0435\u043d\u043d\u043e\u0439 \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 \u043a\u043e\u0434\u0430, \u043f\u0435\u0440\u0435\u0434\u0430\u043d\u043d\u043e\u0433\u043e \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0435\u0439 KIOXIA (\u0434\u043e \u043f\u0435\u0440\u0435\u0438\u043c\u0435\u043d\u043e\u0432\u0430\u043d\u0438\u044f Toshiba Memory Corporation), \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u0432 1980 \u0433\u043e\u0434\u0443 \u0431\u044b\u043b\u0430 \u0438\u0437\u043e\u0431\u0440\u0435\u0442\u0435\u043d\u0430 Flash-\u043f\u0430\u043c\u044f\u0442\u044c. \u0418\u0441\u0445\u043e\u0434\u043d\u044b\u0435 \u0442\u0435\u043a\u0441\u0442\u044b \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u044f \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u044b \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 \u0421\u0438 \u0438 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u044e\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 BSD. \u0418\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0439 \u0432\u043a\u043b\u044e\u0447\u0430\u0435\u0442 \u0432 \u0441\u0435\u0431\u044f \u043d\u0430\u0431\u043e\u0440 \u043f\u0430\u0442\u0447\u0435\u0439 \u0434\u043b\u044f […]<\/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-112173","post","type-post","status-publish","format-standard","hentry","category-news"],"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\udd47Platforma SEF p\u00ebr memoriet Flash t\u00eb menaxhuara nga softueri \u00ebsht\u00eb publikuar | ProHoster","description":"Organizata Linux Foundation prezantoi botimin e par\u00eb t\u00eb platform\u00ebs s\u00eb hapur p\u00ebr memoriet Flash t\u00eb menaxhuara nga softueri SEF (Software Enabled Flash), e nd\u00ebrtuar mbi baz\u00ebn e kodit t\u00eb dor\u00ebzuar nga kompania 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