{"id":108902,"date":"2023-06-09T21:10:23","date_gmt":"2023-06-09T19:10:23","guid":{"rendered":"https:\/\/prohoster.info\/?p=108902"},"modified":"2023-06-13T09:45:19","modified_gmt":"2023-06-13T07:45:19","slug":"kompaniya-cisco-predlozhila-fajlovuyu-sistemu-puzzlefs-dlya-yadra-linux","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/novosti-interneta\/kompaniya-cisco-predlozhila-fajlovuyu-sistemu-puzzlefs-dlya-yadra-linux","title":{"rendered":"Kompania Cisco ofroi sistemin e skedar\u00ebve PuzzleFS p\u00ebr b\u00ebrtham\u00ebn Linux","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"
Kompania Cisco ofroi nj\u00eb sistem skedar\u00ebsh t\u00eb ri, PuzzleFS, q\u00eb realizohet si nj\u00eb modul p\u00ebr kernelin Linux, i shkruar n\u00eb gjuh\u00ebn Rust. FS \u00ebsht\u00eb e dizajnuar p\u00ebr p\u00ebrdorim n\u00eb vendosjen e konteiner\u00ebve t\u00eb izoluar dhe vazhdon zhvillimin e ideve t\u00eb propozuara n\u00eb FS-n\u00eb Atomfs. Realizimi \u00ebsht\u00eb ende n\u00eb faz\u00ebn e prototipit, p\u00ebrkrah nd\u00ebrtimin me deg\u00ebn rust-next t\u00eb kernelit Linux dhe \u00ebsht\u00eb e hapur n\u00ebn licencat Apache 2.0 dhe MIT. <\/p>\n
Projekti synon t\u00eb anashkaloj\u00eb kufizimet q\u00eb lindin nga p\u00ebrdorimi i imazheve t\u00eb konteiner\u00ebve n\u00eb formatin OCI (Open Container Initiative). PuzzleFS zgjidh probleme si ruajtja efikase e t\u00eb dh\u00ebnave t\u00eb dyfishta, mund\u00ebsin\u00eb e montimit direkt, riparimin e imazheve dhe funksionimin e sigurt me memorie. <\/p>\n
P\u00ebr dedupikimin e t\u00eb dh\u00ebnave t\u00eb p\u00ebrs\u00ebritura n\u00eb konteiner\u00eb t\u00eb ndrysh\u00ebm p\u00ebrdoret algoritmi FastCDC (Fast Content-Defined Chunking), q\u00eb punon duke ndar\u00eb t\u00eb dh\u00ebnat n\u00eb fragmente t\u00eb madh\u00ebsis\u00eb s\u00eb rast\u00ebsishme dhe duke mbajtur nj\u00eb indeks me hash-et e fragmenteve t\u00eb p\u00ebrpunuara. Fragmente t\u00eb p\u00ebrs\u00ebritura ruhen nj\u00eb her\u00eb dhe indeksohen kolektivisht p\u00ebr t\u00eb gjitha shtresat e FS-s\u00eb, q\u00eb do t\u00eb thot\u00eb se dedupikimi mund t\u00eb mbuloj\u00eb pika t\u00eb ndryshshme montimi (nj\u00eb shtres\u00eb e re FS mund t\u00eb fillohet n\u00eb baz\u00eb t\u00eb ekzistueshmes dhe t\u00eb p\u00ebrdor\u00eb fragmentet q\u00eb ka p\u00ebr dedupikim). <\/p>\n
Riparimi i imazheve t\u00eb konteiner\u00ebve arrihet p\u00ebrmes p\u00ebrcaktimit t\u00eb nj\u00eb reprezentimi kanonik t\u00eb formatit t\u00eb imazheve t\u00eb konteiner\u00ebve. Montimi direkt (direct-mount) lejon montimin e nj\u00eb imazhi konteineri n\u00eb formatin OCI nga nj\u00eb ruajtje globalisht t\u00eb ndar\u00eb pa e nxjerr\u00eb paraprakisht dhe duke p\u00ebrdorur si identifikues hash-in e p\u00ebrmbajtjes nga manifesti i konteinerit. P\u00ebr verifikimin e integritetit t\u00eb t\u00eb dh\u00ebnave n\u00eb kushte p\u00ebrdorimi t\u00eb nj\u00eb ruajtjeje t\u00eb p\u00ebrbashk\u00ebt, mund t\u00eb p\u00ebrdoret mekanizmi fs-verity, i cili, gjat\u00eb aksesit n\u00eb skedar\u00eb, kontrollon p\u00ebrputhshm\u00ebrin\u00eb e hash-eve t\u00eb specifikuara n\u00eb indeksin binar me p\u00ebrmbajtjen aktuale. <\/p>\n
Gjuha Rust \u00ebsht\u00eb zgjedhur si kombinuese e performanc\u00ebs s\u00eb lart\u00eb t\u00eb kodit t\u00eb rezultuar me mund\u00ebsit\u00eb p\u00ebr funksionim t\u00eb sigurt me memorie, \u00e7ka lejon uljen e rrezikut p\u00ebr shfaqjen e dob\u00ebsive q\u00eb shkaktohen nga probleme si qasja n\u00eb nj\u00eb zon\u00eb memorjeje pas l\u00ebshimit t\u00eb saj dhe dalja jasht\u00eb kufijve t\u00eb buferit. P\u00ebrdorimi i Rust p\u00ebr modulin e kernelit gjithashtu lejon ndarjen e kodit midis kernelit dhe komponenteve q\u00eb funksionojn\u00eb n\u00eb hap\u00ebsir\u00ebn e p\u00ebrdoruesit, p\u00ebr krijimin e nj\u00eb realizimi t\u00eb mbrojtur t\u00eb vet\u00ebm. <\/p>\n
Mes q\u00ebllimeve t\u00eb tjera t\u00eb projektit: nd\u00ebrtim dhe montim shum\u00eb t\u00eb shpejt\u00eb t\u00eb imazheve, mund\u00ebsia e p\u00ebrdorimit t\u00eb nj\u00eb faze t\u00eb nd\u00ebrmjetme p\u00ebr transformimin (canonicalization) e imazheve, opcionaliteti i kalimeve t\u00eb plota n\u00eb pem\u00ebn e FS n\u00eb stilin mtree kur p\u00ebrdoret struktura e shum\u00ebfisht\u00eb, shtimin e ndryshimeve n\u00eb stilin casync dhe nj\u00eb arkitektur\u00eb t\u00eb leht\u00eb n\u00eb realizim. \n Burimi: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"