{"id":143998,"date":"2025-09-23T05:12:23","date_gmt":"2025-09-23T03:12:24","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/otkryt-kod-raspredelyonnoj-fajlovoj-sistemy-ternfs"},"modified":"2025-09-23T05:12:23","modified_gmt":"2025-09-23T03:12:24","slug":"otkryt-kod-raspredelyonnoj-fajlovoj-sistemy-ternfs","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/news\/otkryt-kod-raspredelyonnoj-fajlovoj-sistemy-ternfs","title":{"rendered":"Kodi i sistemit t\u00eb skedar\u00ebve t\u00eb shp\u00ebrndar\u00eb TernFS \u00ebsht\u00eb hapur.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"
Kompania XTX Markets hapi kodin burim t\u00eb sistemit t\u00eb skedar\u00ebve TernFS, e projektuar p\u00ebr t\u00eb krijuar nj\u00eb ruajtje t\u00eb shp\u00ebrndar\u00eb q\u00eb mbulon disa data qendrat t\u00eb ndara gjeografikisht dhe q\u00eb \u00ebsht\u00eb n\u00eb gjendje t\u00eb ruaj\u00eb deri n\u00eb dhjet\u00ebra eksabajt t\u00eb dh\u00ebnash, triliona skedare dhe qindra miliarda katalog\u00eb, me t\u00eb cil\u00ebt mund t\u00eb nd\u00ebrveprojn\u00eb nj\u00ebkoh\u00ebsisht miliona klient\u00eb. Kodi i projektit \u00ebsht\u00eb shkruar n\u00eb gjuh\u00ebt C++ dhe Go dhe shp\u00ebrndahet n\u00ebn licenc\u00ebn GPLv2. Specifikimet e protokollit dhe bibliotekat klienti ofrohen n\u00ebn licenc\u00ebn Apache 2.0. <\/p>\n
Sistemi i skedar\u00ebve \u00ebsht\u00eb optimizuar p\u00ebr ngarkesa q\u00eb u p\u00ebrkasin sistemeve t\u00eb m\u00ebsimit t\u00eb makinerive \u2014 regjistrimi dhe leximi i skedar\u00ebve q\u00eb nuk ndryshojn\u00eb pas krijimit dhe q\u00eb p\u00ebrmbajn\u00eb m\u00eb shum\u00eb se disa megabajt t\u00eb dh\u00ebnash. Sistemi nuk \u00ebsht\u00eb i projektuar p\u00ebr krijimin e shpesht\u00eb t\u00eb direktoreve t\u00eb reja dhe p\u00ebr zhvendosjen e shpesht\u00eb t\u00eb skedar\u00ebve midis direktor\u00ebve. Ka mund\u00ebsi si p\u00ebr rikuperimin e skedar\u00ebve ose direktor\u00ebve t\u00eb fshir\u00eb p\u00ebr gabim, ashtu edhe p\u00ebr konfigurimin e politikave p\u00ebr fshirje t\u00eb plot\u00eb e pa rikthim. P\u00ebrmbajtja e sistemit t\u00eb skedar\u00ebve mund t\u00eb riprodhohet midis disa qendrave t\u00eb t\u00eb dh\u00ebnave n\u00eb rajone t\u00eb ndryshme. Nj\u00ebsit\u00eb e ruajtjes mund t\u00eb p\u00ebrfshijn\u00eb lloje t\u00eb ndryshme ruajt\u00ebsish (t\u00eb bazuara n\u00eb disqe dhe memorje flash). <\/p>\n
Nj\u00eb nga k\u00ebrkesat gjat\u00eb projektimit ishte mosprania e nj\u00eb pike t\u00eb vetme d\u00ebshtimi dhe sigurimi i nj\u00eb ruajtjeje me besueshm\u00ebri t\u00eb lart\u00eb \u2014 ndalesat emergjente t\u00eb energjis\u00eb nuk duhet t\u00eb \u00e7ojn\u00eb n\u00eb d\u00ebmtimin e sistemit t\u00eb skedar\u00ebve, dhe skedar\u00ebt nuk mund t\u00eb regjistrohen pjes\u00ebrisht (vet\u00ebm skedar\u00eb t\u00eb plot\u00ebsisht t\u00eb regjistruar jan\u00eb t\u00eb disponuesh\u00ebm p\u00ebr lexim). sistemi \u00ebsht\u00eb i q\u00ebndruesh\u00ebm ndaj d\u00ebshtimit t\u00eb nj\u00ebsi t\u00eb ve\u00e7anta, nj\u00ebsive t\u00eb t\u00eb dh\u00ebnave dhe nj\u00ebsive t\u00eb ruajtjes. \u00cbsht\u00eb e mundur t\u00eb kryhet mir\u00ebmbajtja e ruajtjes pa ndaluar funksionimin. <\/p>\n
Zbatimi i ruajtjes n\u00eb baz\u00eb t\u00eb TernFS n\u00eb kompanin\u00eb XTX Markets filloi ver\u00ebn e vitit 2023, pas nj\u00eb viti e gjysm\u00eb zhvillimi t\u00eb sistemit t\u00eb skedar\u00ebve. N\u00eb mes t\u00eb vitit 2024, t\u00eb gjitha Sistemet e m\u00ebsimit t\u00eb makinerive t\u00eb XTX Markets u transferuan n\u00eb TernFS. N\u00eb k\u00ebt\u00eb moment, ruajtja p\u00ebrb\u00ebn m\u00eb shum\u00eb se 30,000 disqe dhe 10,000 ruajt\u00ebs flash, t\u00eb vendosur n\u00eb tri qendra t\u00eb t\u00eb dh\u00ebnave. V\u00ebllimi total i t\u00eb dh\u00ebnave t\u00eb ruajtura vler\u00ebsohet t\u00eb jet\u00eb 500 petabajt, nd\u00ebrsa performanca maksimale \u00ebsht\u00eb disa petabajt n\u00eb sekond\u00eb. Ruajtja p\u00ebrdoret n\u00eb nj\u00eb grumbull q\u00eb p\u00ebrfshin m\u00eb shum\u00eb se 100,000 nj\u00ebsit\u00eb llogarit\u00ebse. Nuk ka ndodhur asnj\u00eb incident q\u00eb \u00e7on n\u00eb humbje t\u00eb t\u00eb dh\u00ebnave gjat\u00eb dy vjet\u00ebve t\u00eb funksionimit. <\/p>\n
Disa avantazhet e TernFS: skedar\u00ebt e regjistruar nuk mund t\u00eb modifikohen; eficienc\u00eb e ul\u00ebt n\u00eb pun\u00ebn me skedar\u00eb m\u00eb t\u00eb vegj\u00ebl se 2 MB; performanc\u00eb e ul\u00ebt n\u00eb operacionet e krijimit dhe fshirjes s\u00eb katalog\u00ebve; munges\u00eb e ndarjes s\u00eb t\u00eb drejtave t\u00eb aksesit. <\/p>\n
Komponent\u00ebt q\u00eb formojn\u00eb klastrin e ruajtjes TernFS: <\/p>\n
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Nj\u00ebsit\u00eb e ruajtjes s\u00eb metadata-s, p\u00ebrgjegj\u00ebse p\u00ebr menaxhimin e informacionit mbi struktur\u00ebn e katalog\u00ebve dhe atributet e skedar\u00ebve.\n
Nj\u00ebsit\u00eb koordinuese t\u00eb pun\u00ebs (CDC - Koordinatori i Kryqit t\u00eb Direktor\u00ebve), t\u00eb cilat kryejn\u00eb transaksione q\u00eb p\u00ebrfshijn\u00eb direktor\u00eb t\u00eb ndrysh\u00ebm.\n
Sh\u00ebrbimet e ruajtjes q\u00eb ofrojn\u00eb ruajtjen e p\u00ebrmbajtjes s\u00eb skedar\u00ebve.\n
Regjistri q\u00eb p\u00ebrmban informacionin mbi t\u00eb gjith\u00eb sh\u00ebrbimet e tjera dhe monitoron pun\u00ebn e tyre.\n
ternweb - qasje n\u00eb ruajtje p\u00ebrmes Web API.\n
terncli - nd\u00ebrfaqja e komand\u00ebs.\n
ternfs.ko - moduli p\u00ebr b\u00ebrtham\u00ebn Linux, i cili lejon montimin e ruajtjes p\u00ebr pun\u00eb si me sistemin lokal t\u00eb skedar\u00ebve.\n
ternfuse - realizimi i klientit p\u00ebr pun\u00eb me sistemin e skedar\u00ebve, q\u00eb p\u00ebrdor n\u00ebn-sistemin FUSE.\n
terns3 - realizimi i API-s\u00eb Amazon S3. <\/ul>\n
Proceset prapa scenave:\n
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GC - mbledh\u00ebsi i plehrave, q\u00eb \u00e7liron snapshot-et e skaduara (skedar\u00eb t\u00eb fshir\u00eb, por jo t\u00eb pastruar) dhe pastron blloqet p\u00ebr skedar\u00ebt e fshir\u00eb pa rikthim.\n
scrubber \u2014 identifikimi i degradimit t\u00eb t\u00eb dh\u00ebnave dhe rikthimi i tyre.\n
migrator \u2014 p\u00ebrjashtimi i disqeve me defekte nga depoja. <\/ul>\n<\/ul>\n
![\"Kodi](\"\/wp-content\/uploads\/2025\/09\/e9f0d7ab4fdda1c4db9e7f0809b914da.png\")
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