{"id":148818,"date":"2025-11-19T11:11:55","date_gmt":"2025-11-19T09:11:57","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/mnogochasovoj-sboj-cloudflare-okazalsya-rezultatom-nekorrektnoj-obrabotki-oshibok"},"modified":"2025-11-19T11:11:55","modified_gmt":"2025-11-19T09:11:57","slug":"mnogochasovoj-sboj-cloudflare-okazalsya-rezultatom-nekorrektnoj-obrabotki-oshibok","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/news\/mnogochasovoj-sboj-cloudflare-okazalsya-rezultatom-nekorrektnoj-obrabotki-oshibok","title":{"rendered":"La larga ca\u00edda de Cloudflare result\u00f3 ser el resultado de un manejo incorrecto de errores","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

La empresa Cloudflare public\u00f3 un an\u00e1lisis de uno de los incidentes m\u00e1s grandes en su infraestructura, debido al cual ayer gran parte de la red de entrega de contenido qued\u00f3 inoperativa durante m\u00e1s de 3 horas. La falla ocurri\u00f3 tras un cambio en la estructura de la base de datos ubicada en el almacenamiento ClickHouse, despu\u00e9s del cual el archivo de par\u00e1metros para el sistema de defensa contra bots aument\u00f3 su tama\u00f1o al doble. Se formaron tablas duplicadas en la base de datos, dado que la consulta SQL para generar el archivo simplemente devolv\u00eda todos los datos de todas las tablas por clave, sin filtrar duplicados. SELECT name, type FROM system.columns WHERE table = 'http_requests_features' order by name;

\"La<\/center> <\/p>\n

El archivo creado se propag\u00f3 a todos los nodos del cl\u00faster que procesa las solicitudes entrantes. En el manejador que utiliza este archivo para verificar las solicitudes de bots, los par\u00e1metros especificados en el archivo se guardaban en la memoria RAM y, para protegerse contra el uso excesivo de memoria, se estableci\u00f3 un l\u00edmite en el tama\u00f1o m\u00e1ximo permitido del archivo. En condiciones normales, el tama\u00f1o real del archivo era significativamente menor que el l\u00edmite establecido, pero tras la duplicaci\u00f3n de las tablas, super\u00f3 el l\u00edmite. <\/p>\n

El problema fue que, en lugar de tratar correctamente el exceso del l\u00edmite y continuar utilizando la versi\u00f3n anterior del archivo, informando al sistema de monitoreo sobre la situaci\u00f3n an\u00f3mala, el manejador se cerraba de manera inesperada, lo que bloqueaba el paso del tr\u00e1fico. El error se debi\u00f3 al uso en el c\u00f3digo en lenguaje Rust del m\u00e9todo unwrap() con el tipo Result.

\"La<\/center> <\/p>\n

Cuando el valor Result tiene el estado 'Ok', el m\u00e9todo unwrap() devuelve el objeto asociado a ese estado, pero si el resultado no es exitoso, la llamada provoca una finalizaci\u00f3n abrupta (se activa el macro 'panic!'). Normalmente, unwrap() se utiliza en el proceso de depuraci\u00f3n o al escribir c\u00f3digo de prueba y no se recomienda su uso en proyectos de producci\u00f3n.

\"La<\/center>
\"La<\/center>
\n
Fuente: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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\u0431\u043e\u043b\u0435\u0435 3 \u0447\u0430\u0441\u043e\u0432. \u0421\u0431\u043e\u0439 \u043f\u0440\u043e\u0438\u0437\u043e\u0448\u0451\u043b \u043f\u043e\u0441\u043b\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u0432 \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0435 \u0411\u0414, \u0440\u0430\u0437\u043c\u0435\u0449\u0451\u043d\u043d\u043e\u0439 \u0432 \u0445\u0440\u0430\u043d\u0438\u043b\u0438\u0449\u0435 ClickHouse, \u043f\u043e\u0441\u043b\u0435 \u043a\u043e\u0442\u043e\u0440\u043e\u0433\u043e \u0444\u0430\u0439\u043b \u0441 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u0430\u043c\u0438 \u0434\u043b\u044f \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u043f\u0440\u043e\u0442\u0438\u0432\u043e\u0434\u0435\u0439\u0441\u0442\u0432\u0438\u044f \u0431\u043e\u0442\u0430\u043c \u0432 \u0434\u0432\u0430 \u0440\u0430\u0437\u0430 \u0443\u0432\u0435\u043b\u0438\u0447\u0438\u043b\u0441\u044f \u0432 \u0440\u0430\u0437\u043c\u0435\u0440\u0435. \u0412 \u0411\u0414 \u0431\u044b\u043b\u0438 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":148819,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-148818","post","type-post","status-publish","format-standard","has-post-thumbnail","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\udd47La falla prolongada de Cloudflare fue resultado de un manejo incorrecto de errores | ProHoster","description":"La empresa Cloudflare public\u00f3 un an\u00e1lisis de uno de los incidentes m\u00e1s grandes en su infraestructura, a causa del cual gran parte de su red de entrega de contenido estuvo inoperativa durante m\u00e1s de 3 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