{"id":121357,"date":"2025-01-16T09:46:00","date_gmt":"2025-01-16T07:46:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/live-sborki-fedora-namereny-perevesti-so-squashfs-na-erofs"},"modified":"2025-01-16T09:46:00","modified_gmt":"2025-01-16T07:46:00","slug":"live-sborki-fedora-namereny-perevesti-so-squashfs-na-erofs","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/live-sborki-fedora-namereny-perevesti-so-squashfs-na-erofs","title":{"rendered":"As vers\u00f5es Live do Fedora planejam fazer a transi\u00e7\u00e3o do SquashFS para o EROFS","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Na vers\u00e3o Fedora 42, programada para o final de abril, est\u00e1 previsto a migra\u00e7\u00e3o de todas as compila\u00e7\u00f5es Live da distribui\u00e7\u00e3o de SquashFS para o sistema de arquivos EROFS, cujo suporte foi implementado no ano passado nas ferramentas para cria\u00e7\u00e3o de imagens de inicializa\u00e7\u00e3o Dracut 103. A proposta ainda n\u00e3o foi aprovada pelo comit\u00ea FESCo (Fedora Engineering Steering Committee), respons\u00e1vel pela parte t\u00e9cnica do desenvolvimento da distribui\u00e7\u00e3o Fedora. <\/p>\n

Entre as raz\u00f5es para a transi\u00e7\u00e3o est\u00e3o o desenvolvimento mais ativo do EROFS (o \u00faltimo lan\u00e7amento da ferramenta SquashFS foi na primavera de 2023) e a presen\u00e7a de recursos avan\u00e7ados no EROFS que podem ser utilizados no futuro. O EROFS pretende migrar todas as compila\u00e7\u00f5es que utilizam imagem de sistema em modo somente leitura, como as Live com KDE, Xfce, Budgie, LXQt, MiracleWM e COSMIC, al\u00e9m das edi\u00e7\u00f5es Fedora KDE Plasma Mobile e Fedora CoreOS Live. <\/p>\n

Os sistemas de arquivos SquashFS e EROFS s\u00e3o projetados para operar em modo 'somente leitura' e oferecem uma representa\u00e7\u00e3o compacta de metadados e armazenamento de dados de forma comprimida. O sistema de arquivos EROFS (Extendable Read-Only File System) foi criado pela Huawei e foca em alcan\u00e7ar o m\u00e1ximo desempenho. O EROFS utiliza um m\u00e9todo de compress\u00e3o de dados distinto de outros sistemas de arquivos, que consiste em empregar blocos comprimidos resultantes de tamanho fixo (em outros sistemas de arquivos, os blocos s\u00e3o fixos antes da compress\u00e3o, e ap\u00f3s a compress\u00e3o, o tamanho pode variar). <\/p>\n

Comparado ao SquashFS, o EROFS tem uma taxa de compress\u00e3o inferior (o tamanho da imagem \u00e9 2,7 GiB no EROFS contra 2,0 GiB no SquashFS ao utilizar o algoritmo de compress\u00e3o XZ e 3,9 GiB contra 3,1 GiB ao usar LZ4), mas uma maior velocidade de acesso aleat\u00f3rio e largura de banda (7,1 MiB\/s no EROFS contra 5,0 MiB\/s no SquashFS para XZ e 30,9 MiB\/s contra 26,3 MiB\/s para LZ4). Ao comparar com o Ext4, o sistema de arquivos EROFS \u00e9 significativamente mais r\u00e1pido para acesso aleat\u00f3rio a dados \u2014 com um n\u00edvel de compress\u00e3o de 4, o EROFS se mostrou quase 3 vezes mais r\u00e1pido em armazenamento Flash e 6 vezes mais r\u00e1pido em disco r\u00edgido.
\n
Fonte: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0412 \u0432\u044b\u043f\u0443\u0441\u043a\u0435 Fedora 42, \u043d\u0430\u043c\u0435\u0447\u0435\u043d\u043d\u043e\u043c \u043d\u0430 \u043a\u043e\u043d\u0435\u0446 \u0430\u043f\u0440\u0435\u043b\u044f, \u043f\u043b\u0430\u043d\u0438\u0440\u0443\u0435\u0442\u0441\u044f \u043f\u0435\u0440\u0435\u0432\u0435\u0441\u0442\u0438 \u0432\u0441\u0435 Live-\u0441\u0431\u043e\u0440\u043a\u0438 \u0434\u0438\u0441\u0442\u0440\u0438\u0431\u0443\u0442\u0438\u0432\u0430 \u0441\u043e SquashFS \u043d\u0430 \u0444\u0430\u0439\u043b\u043e\u0432\u0443\u044e \u0441\u0438\u0441\u0442\u0435\u043c\u0443 EROFS, \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u0432 \u043f\u0440\u043e\u0448\u043b\u043e\u043c \u0433\u043e\u0434\u0443 \u0431\u044b\u043b\u0430 \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u0430 \u0432 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0438 \u0434\u043b\u044f \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044f \u0437\u0430\u0433\u0440\u0443\u0437\u043e\u0447\u043d\u044b\u0445 \u043e\u0431\u0440\u0430\u0437\u043e\u0432 Dracut 103. \u041f\u0440\u0435\u0434\u043b\u043e\u0436\u0435\u043d\u0438\u0435 \u043f\u043e\u043a\u0430 \u043d\u0435 \u0443\u0442\u0432\u0435\u0440\u0436\u0434\u0435\u043d\u043e \u043a\u043e\u043c\u0438\u0442\u0435\u0442\u043e\u043c FESCo (Fedora Engineering Steering Committee), \u043e\u0442\u0432\u0435\u0447\u0430\u044e\u0449\u0438\u043c \u0437\u0430 \u0442\u0435\u0445\u043d\u0438\u0447\u0435\u0441\u043a\u0443\u044e \u0447\u0430\u0441\u0442\u044c \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0434\u0438\u0441\u0442\u0440\u0438\u0431\u0443\u0442\u0438\u0432\u0430 Fedora. \u0412 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u043f\u0440\u0438\u0447\u0438\u043d \u043f\u0435\u0440\u0435\u0445\u043e\u0434\u0430 […]<\/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-121357","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\udd47As compila\u00e7\u00f5es Live do Fedora planejam migrar de SquashFS para EROFS | ProHoster","description":"Na vers\u00e3o Fedora 42, programada para o final de abril, est\u00e1 previsto a migra\u00e7\u00e3o de todas as compila\u00e7\u00f5es Live da distribui\u00e7\u00e3o de SquashFS para o sistema de arquivos EROFS, cujo suporte foi implementado no ano passado nas 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