{"id":155127,"date":"2026-01-25T17:11:59","date_gmt":"2026-01-25T15:11:59","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/predstavlena-fs-daxfs-pohozhaya-na-ramfs-i-tmpfs-no-rabotayushhaya-v-obhod-stranichnogo-kesha"},"modified":"2026-01-25T17:11:59","modified_gmt":"2026-01-25T15:11:59","slug":"predstavlena-fs-daxfs-pohozhaya-na-ramfs-i-tmpfs-no-rabotayushhaya-v-obhod-stranichnogo-kesha","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/news\/predstavlena-fs-daxfs-pohozhaya-na-ramfs-i-tmpfs-no-rabotayushhaya-v-obhod-stranichnogo-kesha","title":{"rendered":"Se presenta el sistema de archivos DAXFS, similar a ramfs y tmpfs, pero que opera evitando la cach\u00e9 de p\u00e1ginas.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Cong Wang, quien acompa\u00f1a al subsistema de control de tr\u00e1fico (TC, Traffic Control) en el n\u00facleo de Linux y desarrolla el proyecto Multikernel, ha presentado en la lista de desarrolladores del n\u00facleo de Linux un nuevo sistema de archivos DAXFS. DAXFS utiliza la memoria RAM para el almacenamiento de datos, funciona en modo de solo lectura y es similar en funcionalidad a los sistemas de archivos reducidos ramfs y tmpfs. El m\u00f3dulo del n\u00facleo con la implementaci\u00f3n de DAXFS, as\u00ed como la utilidad mkdaxfs para crear el sistema de archivos, se publicaron bajo la licencia GPLv2. Tras la revisi\u00f3n, se considera la posibilidad de integrar DAXFS en el n\u00facleo principal.      <\/p>\n<p>La caracter\u00edstica clave del nuevo sistema de archivos es la utilizaci\u00f3n del subsistema DAX (Acceso Directo) para funcionar evitando la cach\u00e9 de p\u00e1ginas y accediendo directamente a la memoria f\u00edsica compartida. En ramfs y tmpfs, el contenido se guarda en la cach\u00e9 de p\u00e1ginas, lo que, al utilizar un mismo sistema de archivos en varios contenedores o n\u00facleos ejecutados mediante la tecnolog\u00eda Multikernel, lleva a tener m\u00faltiples copias de datos en memoria f\u00edsica. El llenado de ramfs y tmpfs tambi\u00e9n requiere realizar operaciones de copia innecesarias sin la posibilidad de asignar \u00e1reas de memoria existentes.    <\/p>\n<p>El acceso directo a la memoria en DAXFS permite eliminar operaciones de copia innecesarias y organizar el trabajo evitando la pila tradicional de entrada\/salida basada en dispositivos de bloques y mecanismos de almacenamiento en b\u00fafer, as\u00ed como deshacerse de la fragmentaci\u00f3n en la asignaci\u00f3n de memoria al compartir un mismo sistema de archivos en diferentes contenedores y n\u00facleos multikernel. DAXFS funciona en modo Zero-Copy y entrega directamente el contenido de archivos desde la memoria sin duplicar datos en la cach\u00e9 de p\u00e1ginas y con la posibilidad de asignar \u00e1reas continuas de memoria f\u00edsica en cada instancia de contenedor o n\u00facleo. Adem\u00e1s, se admite el uso de la API dma-buf para utilizar la memoria exportada por GPU, FPGA\/SmartNIC o dispositivos CXL.    <\/p>\n<p>El sistema de archivos opera en modo de solo lectura y se inicializa mediante la carga en memoria de una imagen de sistema de archivos preparada previamente, lo que simplifica su implementaci\u00f3n, elimina la necesidad de realizar operaciones de asignaci\u00f3n de memoria durante su funcionamiento y evita complicados mecanismos de gesti\u00f3n de dispositivos.     <\/p>\n<p>Un \u00e1rea clave de uso de DAXFS es su aplicaci\u00f3n junto con la tecnolog\u00eda Multikernel, que permite ejecutar m\u00faltiples instancias independientes del n\u00facleo de Linux en una sola computadora f\u00edsica, las cuales tienen acceso directo a los recursos de hardware y pueden utilizarse para iniciar varios entornos de sistema aislados.       <\/p>\n<p>DAXFS tambi\u00e9n puede utilizarse para organizar el acceso compartido de varios contenedores o n\u00facleos a una imagen de sistema base ubicada en memoria compartida; reducir los costos de acceso a la informaci\u00f3n en la memoria de aceleradores de hardware; organizar el acceso a la memoria desde varios hosts sin entrada\/salida de red, o a memoria persistente utilizando dispositivos basados en el bus CXL (Compute Express Link).<br \/>\n<br \/>Fuente: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=64674\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043d\u0433 \u0412\u0430\u043d\u0433 (Cong Wang), \u0441\u043e\u043f\u0440\u043e\u0432\u043e\u0436\u0434\u0430\u044e\u0449\u0438\u0439 \u043f\u043e\u0434\u0441\u0438\u0441\u0442\u0435\u043c\u0443 \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0442\u0440\u0430\u0444\u0438\u043a\u043e\u043c (TC, Traffic Control) \u0432 \u044f\u0434\u0440\u0435 Linux \u0438 \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u044e\u0449\u0438\u0439 \u043f\u0440\u043e\u0435\u043a\u0442 Multikernel, \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b \u0432 \u0441\u043f\u0438\u0441\u043a\u0435 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432 \u044f\u0434\u0440\u0430 Linux \u043d\u043e\u0432\u0443\u044e \u0444\u0430\u0439\u043b\u043e\u0432\u0443\u044e \u0441\u0438\u0441\u0442\u0435\u043c\u0443 DAXFS. DAXFS \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442 \u0434\u043b\u044f \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u0434\u0430\u043d\u043d\u044b\u0445 \u043e\u043f\u0435\u0440\u0430\u0442\u0438\u0432\u043d\u0443\u044e \u043f\u0430\u043c\u044f\u0442\u044c, \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442 \u0432 \u0440\u0435\u0436\u0438\u043c\u0435 \u0442\u043e\u043b\u044c\u043a\u043e \u0434\u043b\u044f \u0447\u0442\u0435\u043d\u0438\u044f \u0438 \u043d\u0430\u043f\u043e\u043c\u0438\u043d\u0430\u0435\u0442 \u043f\u043e \u0444\u0443\u043d\u043a\u0446\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u043e\u0441\u0442\u0438 \u0443\u0440\u0435\u0437\u0430\u043d\u043d\u044b\u0435 \u0444\u0430\u0439\u043b\u043e\u0432\u044b\u0435 \u0441\u0438\u0441\u0442\u0435\u043c\u044b ramfs \u0438 tmpfs. \u041c\u043e\u0434\u0443\u043b\u044c \u044f\u0434\u0440\u0430 \u0441 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-155127","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041a\u043e\u043d\u0433 \u0412\u0430\u043d\u0433 (Cong Wang), \u0441\u043e\u043f\u0440\u043e\u0432\u043e\u0436\u0434\u0430\u044e\u0449\u0438\u0439 \u043f\u043e\u0434\u0441\u0438\u0441\u0442\u0435\u043c\u0443 \u0443\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0442\u0440\u0430\u0444\u0438\u043a\u043e\u043c (TC, Traffic Control) \u0432 \u044f\u0434\u0440\u0435 Linux \u0438 \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u044e\u0449\u0438\u0439 \u043f\u0440\u043e\u0435\u043a\u0442 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del n\u00facleo de Linux un nuevo sistema de archivos DAXFS.","canonical_url":"https:\/\/prohoster.info\/es\/blog\/news\/predstavlena-fs-daxfs-pohozhaya-na-ramfs-i-tmpfs-no-rabotayushhaya-v-obhod-stranichnogo-kesha","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"es_ES","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\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0430 \u0424\u0421 DAXFS, \u043f\u043e\u0445\u043e\u0436\u0430\u044f \u043d\u0430 ramfs \u0438 tmpfs, \u043d\u043e \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0449\u0430\u044f \u0432 \u043e\u0431\u0445\u043e\u0434 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