{"id":111215,"date":"2023-10-31T09:10:15","date_gmt":"2023-10-31T07:10:15","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/kod-bcachefs-prinyat-v-osnovnoj-sostav-yadra-linux-6-7"},"modified":"2023-10-31T09:10:15","modified_gmt":"2023-10-31T07:10:15","slug":"kod-bcachefs-prinyat-v-osnovnoj-sostav-yadra-linux-6-7","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/kod-bcachefs-prinyat-v-osnovnoj-sostav-yadra-linux-6-7","title":{"rendered":"Bcachefs kood on vastu v\u00f5etud Linuxi 6.7 tuuma p\u00f5hikoosseisu","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Linus Torvalds on kinnitanud Bcachefs-failis\u00fcsteemi lisamist Linuxi tuuma peasse ja lisanud Bcachefs teostuse 6.7 tuuma haru hoidlasse, mille v\u00e4ljaanne on ette n\u00e4htud jaanuari alguses. Tuuma juurde lisatud patch sisaldab umbes 95 000 rea koodi. Projekti arendab juba \u00fcle 10 aasta Kent Overstreet, kes on samuti v\u00e4lja t\u00f6\u00f6tanud SSD-kettale m\u00f5eldud Bcache'i plokkseadmestiku vahem\u00e4lu s\u00fcsteemi. <\/p>\n

Bcachefs edendamise katsed tuuma peasse algasid 2020. aastal, p\u00e4rast mida kulus peaaegu kolm aastat puudustega ja t\u00e4helepanekute k\u00f5rvaldamiseks, mis avati \u00fclevaatamisel. Sel aastal kevadel esitati v\u00e4rskendatud patchide komplekt, mis l\u00fckkus mitu korda tagasi, kuid l\u00f5puks, septembris, v\u00f5eti see vastu linux-next haru, mis on m\u00f5eldud Linuxi tuuma tulevaste v\u00e4ljaannete testimiseks. <\/p>\n

Bcachefs areneb arengatud tehnoloogiate abil, mis on juba testitud Bcache plokiseadmese arendamisel, mis on m\u00f5eldud aeglaste k\u00f5vaketaste juurdep\u00e4\u00e4su eelnevalt salvestamiseks kiiretel SSD-seadmetel (sisaldub tuumas alates versioonist 3.10). Bcachefs kasutab Copy-on-Write (COW) mehhanismi, mis t\u00e4hendab, et muudatused ei too kaasa andmete kirjutamist \u00fcle \u2014 uus seisund salvestatakse uude kohta, p\u00e4rast mida muudetakse viidatud seisundit. <\/p>\n

Bcachefsis on p\u00fc\u00fctud saavutada XFS-ile iseloomuliku j\u00f5udluse, usaldusv\u00e4\u00e4rsuse ja skaleeritavuse taseme ning Btrfs-i ja ZFS-i laienenud funktsionaalsuse kombinatsioon, n\u00e4iteks mitme seadme \u00fchine kasutamine, mitmekihilised salvestuspaigad, replikatsioon (RAID 1\/10), vahem\u00e4lu, l\u00e4bipaistvad andmete tihendamisre\u017eiimid (LZ4, gzip ja ZSTD), oleku l\u00f5igud (snapshotid), terviklikkuse kontrollimissummad, Reed-Solomoni koodide talletamise v\u00f5imalus (RAID 5\/6) ja andmete salvestamine kr\u00fcpteeritud kujul (kasutades ChaCha20 ja Poly1305). J\u00f5udluselt \u00fcletab Bcachefs Btrfs-i ja teisi Copy-on-Write mehhanismil p\u00f5hinevaid failis\u00fcsteeme ning n\u00e4itab t\u00f6\u00f6kiiruselt tulemusi, mis on l\u00e4hedased Ext4 ja XFS-le. <\/p>\n

Bcachefs-i omadus on toetada mitmekihilist seadmete \u00fchendamist, kus salvestus koosneb mitmest kihist \u2014 alumine kiht koosneb k\u00f5ige kiirematest seadmetest (SSD), mida kasutatakse sagedasti kasutatavate andmete vahem\u00e4luks, samas kui \u00fclemine kiht koosneb mahukamatest ja odavamatest ketastest, mis pakuvad v\u00e4hem n\u00f5udlikke andmete salvestamise v\u00f5imalusi. Kihtide vahel v\u00f5ib rakendada vahem\u00e4lu, kasutades viivitusega kirjutamine (writeback) meetodit. Seadmeid saab d\u00fcnaamiliselt lisada ja eemaldada jaotist katkestamata (andmed migreerivad automaatselt).
\n
Allikas: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041b\u0438\u043d\u0443\u0441 \u0422\u043e\u0440\u0432\u0430\u043b\u044c\u0434\u0441 \u0443\u0442\u0432\u0435\u0440\u0434\u0438\u043b \u0437\u0430\u043f\u0440\u043e\u0441 \u043d\u0430 \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435 \u0444\u0430\u0439\u043b\u043e\u0432\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b Bcachefs \u0432 \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u0439 \u0441\u043e\u0441\u0442\u0430\u0432 \u044f\u0434\u0440\u0430 Linux \u0438 \u0434\u043e\u0431\u0430\u0432\u0438\u043b \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e Bcachefs \u0432 \u0440\u0435\u043f\u043e\u0437\u0438\u0442\u043e\u0440\u0438\u0439, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u0432\u0435\u0442\u043a\u0430 \u044f\u0434\u0440\u0430 6.7, \u0440\u0435\u043b\u0438\u0437 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u043e\u0436\u0438\u0434\u0430\u0435\u0442\u0441\u044f \u0432 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[…]<\/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-111215","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\udd47Bcachefs'i kood on vastu v\u00f5etud Linuxi tuuma 6.7 p\u00f5hikoosseisu | ProHoster","description":"Linus Torvalds kinnitas Bcachefs failis\u00fcsteemi kaasamise taotluse Linuxi tuuma p\u00f5hikoosseisu ning lisas Bcachefs'i teostuse 6.7 tuuma arendamise repository'sse, mille v\u00e4ljaandmist oodatakse 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\u0437\u0430\u043f\u0440\u043e\u0441 \u043d\u0430 \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435 \u0444\u0430\u0439\u043b\u043e\u0432\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b Bcachefs \u0432 \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u0439 \u0441\u043e\u0441\u0442\u0430\u0432 \u044f\u0434\u0440\u0430 Linux \u0438 \u0434\u043e\u0431\u0430\u0432\u0438\u043b \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e Bcachefs \u0432 \u0440\u0435\u043f\u043e\u0437\u0438\u0442\u043e\u0440\u0438\u0439, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u0432\u0435\u0442\u043a\u0430 \u044f\u0434\u0440\u0430 6.7, \u0440\u0435\u043b\u0438\u0437 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u043e\u0436\u0438\u0434\u0430\u0435\u0442\u0441\u044f \u0432 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