Alexander Larsson, tv\u016frce Flatpaku pracuj\u00edc\u00ed ve spole\u010dnosti Red Hat, p\u0159edstavil p\u0159edb\u011b\u017enou verzi patch\u016f s implementac\u00ed souborov\u00e9ho syst\u00e9mu Composefs pro j\u00e1dro Linux. Navrhovan\u00fd souborov\u00fd syst\u00e9m p\u0159ipom\u00edn\u00e1 Squashfs a je tak\u00e9 vhodn\u00fd pro p\u0159ipojen\u00ed obraz\u016f v re\u017eimu pouze pro \u010dten\u00ed. Rozd\u00edly spo\u010d\u00edvaj\u00ed v zaji\u0161t\u011bn\u00ed efektivn\u00edho sd\u00edlen\u00ed obsahu n\u011bkolika p\u0159ipojen\u00fdch diskov\u00fdch obraz\u016f a podpo\u0159e ov\u011b\u0159ov\u00e1n\u00ed \u010diteln\u00fdch dat. Mezi oblasti pou\u017eit\u00ed, kde m\u016f\u017ee b\u00fdt FS Composefs \u017e\u00e1dan\u00fd, pat\u0159\u00ed p\u0159ipojen\u00ed obraz\u016f kontejner\u016f a pou\u017eit\u00ed pro Git-podobn\u00fd repozit\u00e1\u0159 OSTree. <\/p>\n
V Composefs se pou\u017e\u00edv\u00e1 model ukl\u00e1d\u00e1n\u00ed s adresac\u00ed na z\u00e1klad\u011b obsahu, tj. prim\u00e1rn\u00edm identifik\u00e1torem nen\u00ed n\u00e1zev souboru, ale hash obsahu souboru. Tento model zaji\u0161\u0165uje deduplikaci a umo\u017e\u0148uje fakticky uchov\u00e1vat pouze jednu kopii stejn\u00fdch soubor\u016f, kter\u00e9 se vyskytuj\u00ed v r\u016fzn\u00fdch p\u0159ipojen\u00fdch odd\u00edlech. Nap\u0159\u00edklad obrazy kontejner\u016f obsahuj\u00ed mnoho typov\u00fdch syst\u00e9mov\u00fdch soubor\u016f a p\u0159i pou\u017eit\u00ed Composefs bude ka\u017ed\u00fd z t\u011bchto soubor\u016f spole\u010dn\u011b vyu\u017e\u00edv\u00e1n v\u0161emi p\u0159ipojen\u00fdmi obrazy, bez pou\u017eit\u00ed trik\u016f, jako je p\u0159eklad pomoc\u00ed pevn\u00fdch odkaz\u016f. P\u0159itom sd\u00edlen\u00e9 soubory jsou uchov\u00e1v\u00e1ny jako jedna kopie na disku a zab\u00edraj\u00ed pouze jeden z\u00e1znam ve str\u00e1nkov\u00e9m cache, co\u017e umo\u017e\u0148uje \u0161et\u0159it jak diskovou, tak i opera\u010dn\u00ed pam\u011b\u0165. <\/p>\n
Pro \u00fasporu diskov\u00e9ho prostoru jsou data a metadata v p\u0159ipojen\u00fdch obrazech odd\u011blena. P\u0159i p\u0159ipojov\u00e1n\u00ed se uv\u00e1d\u00ed: <\/p>\n
Bin\u00e1rn\u00ed index je vytvo\u0159en pro ka\u017edou image FS, p\u0159i\u010dem\u017e z\u00e1kladn\u00ed katalog je spole\u010dn\u00fd pro v\u0161echny obrazy. Pro ov\u011b\u0159en\u00ed obsahu jednotliv\u00fdch soubor\u016f a cel\u00e9 image ve sd\u00edlen\u00e9m \u00falo\u017ei\u0161ti m\u016f\u017ee b\u00fdt pou\u017eit mechanismus fs-verity, kter\u00fd p\u0159i p\u0159\u00edstupu k soubor\u016fm kontroluje shodu specifikovan\u00fdch hash\u016f v bin\u00e1rn\u00edm indexu s jejich aktu\u00e1ln\u00edm obsahem (tj. pokud by \u00fato\u010dn\u00edk provedl zm\u011bnu v souboru v z\u00e1kladn\u00edm katalogu nebo by do\u0161lo k po\u0161kozen\u00ed dat b\u011bhem selh\u00e1n\u00ed, takov\u00e1 kontrola odhal\u00ed nesoulad). \u0410\u043b\u0435\u043a\u0441\u0430\u043d\u0434\u0440 \u041b\u0430\u0440\u0441\u043e\u043d (Alexander Larsson), \u0441\u043e\u0437\u0434\u0430\u0442\u0435\u043b\u044c Flatpak, \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 \u043f\u0440\u0435\u0434\u0432\u0430\u0440\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0439 \u0432\u0430\u0440\u0438\u0430\u043d\u0442 \u043f\u0430\u0442\u0447\u0435\u0439 \u0441 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u0444\u0430\u0439\u043b\u043e\u0432\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b Composefs \u0434\u043b\u044f \u044f\u0434\u0440\u0430 Linux. \u041f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u043d\u0430\u044f \u0444\u0430\u0439\u043b\u043e\u0432\u0430\u044f \u0441\u0438\u0441\u0442\u0435\u043c\u0430 \u043d\u0430\u043f\u043e\u043c\u0438\u043d\u0430\u0435\u0442 Squashfs \u0438 \u0442\u0430\u043a\u0436\u0435 \u043f\u043e\u0434\u0445\u043e\u0434\u0438\u0442 \u0434\u043b\u044f \u043c\u043e\u043d\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u043e\u0431\u0440\u0430\u0437\u043e\u0432 \u0432 \u0440\u0435\u0436\u0438\u043c\u0435 \u0442\u043e\u043b\u044c\u043a\u043e \u0434\u043b\u044f \u0447\u0442\u0435\u043d\u0438\u044f. \u041e\u0442\u043b\u0438\u0447\u0438\u044f \u0441\u0432\u043e\u0434\u044f\u0442\u0441\u044f \u043a \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0438\u044e \u0432 Composefs \u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u043e\u0433\u043e \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u043d\u043e\u0433\u043e \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u043c\u043e\u0433\u043e \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u0438\u0445 \u043f\u0440\u0438\u043c\u043e\u043d\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0445 \u0434\u0438\u0441\u043a\u043e\u0432\u044b\u0445 \u043e\u0431\u0440\u0430\u0437\u043e\u0432 \u0438 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0435 […]<\/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-105750","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\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\udd47Pro Linux je navr\u017een souborov\u00fd syst\u00e9m Composefs | ProHoster","description":"Alexander Larsson, tv\u016frce Flatpak, pracuj\u00edc\u00ed ve spole\u010dnosti Red Hat, p\u0159edstavil p\u0159edb\u011b\u017enou verzi patch\u016f s implementac\u00ed souborov\u00e9ho syst\u00e9mu Composefs pro j\u00e1dro Linux.","canonical_url":"https:\/\/prohoster.info\/cs\/blog\/news\/dlya-linux-predlozhena-fajlovaya-sistema-composefs","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"cs_CZ","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\udd47\u0414\u043b\u044f Linux \u043f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u0430 \u0444\u0430\u0439\u043b\u043e\u0432\u0430\u044f \u0441\u0438\u0441\u0442\u0435\u043c\u0430 Composefs | ProHoster","og:description":"\u0410\u043b\u0435\u043a\u0441\u0430\u043d\u0434\u0440 \u041b\u0430\u0440\u0441\u043e\u043d (Alexander Larsson), \u0441\u043e\u0437\u0434\u0430\u0442\u0435\u043b\u044c Flatpak, \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 \u043f\u0440\u0435\u0434\u0432\u0430\u0440\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0439 \u0432\u0430\u0440\u0438\u0430\u043d\u0442 \u043f\u0430\u0442\u0447\u0435\u0439 \u0441 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u0444\u0430\u0439\u043b\u043e\u0432\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b Composefs \u0434\u043b\u044f \u044f\u0434\u0440\u0430 Linux.","og:url":"https:\/\/prohoster.info\/cs\/blog\/news\/dlya-linux-predlozhena-fajlovaya-sistema-composefs","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2022-11-29T01:36:40+00:00","article:modified_time":"2022-11-29T01:36:40+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":[],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts\/105750","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/comments?post=105750"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/posts\/105750\/revisions"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/media?parent=105750"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/categories?post=105750"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/cs\/wp-json\/wp\/v2\/tags?post=105750"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
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Zdroj: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"