{"id":55519,"date":"2020-01-22T00:00:00","date_gmt":"2020-01-21T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/dlya-btrfs-predstavlena-asinhronnaya-realizatsiya-discard"},"modified":"2020-02-18T14:03:38","modified_gmt":"2020-02-18T11:03:38","slug":"dlya-btrfs-predstavlena-asinhronnaya-realizatsiya-discard","status":"publish","type":"post","link":"https:\/\/prohoster.info\/az\/blog\/news\/dlya-btrfs-predstavlena-asinhronnaya-realizatsiya-discard","title":{"rendered":"Btrfs \u00fc\u00e7\u00fcn asinxron DISCARD implementasiyas\u0131 t\u0259qdim edilmi\u015fdir","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

btrfs fayl sistemi \u00fc\u00e7\u00fcn t t\u0259qdim edilib<\/a><\/noindex> Facebook m\u00fch\u0259ndisl\u0259ri t\u0259r\u0259find\u0259n h\u0259yata ke\u00e7irilmi\u015f DISCARD \u0259m\u0259liyyat\u0131n\u0131n asinxron t\u0259tbiqi (art\u0131q fiziki olaraq saxlan\u0131lmas\u0131 laz\u0131m olmayan bo\u015f bloklar\u0131n i\u015far\u0259l\u0259nm\u0259si).<\/p>\n

Problemin mahiyy\u0259ti: ilkin DISCARD t\u0259tbiqi dig\u0259r \u0259m\u0259liyyatlarla eyni anda icra olunur, bu da b\u0259z\u0259n performans probleml\u0259rin\u0259 s\u0259b\u0259b olur, \u00e7\u00fcnki s\u00f6z\u00fcged\u0259n \u0259mrl\u0259rin tamamlanmas\u0131n\u0131 g\u00f6zl\u0259m\u0259k laz\u0131md\u0131r, bu da \u0259lav\u0259 vaxt t\u0259l\u0259b edir. Bu, \u0259g\u0259r DISCARD t\u0259tbiqi disk t\u0259r\u0259find\u0259n yava\u015f i\u015fl\u0259yirs\u0259, problem yarada bil\u0259r. <\/p>\n

Asinxron icra il\u0259, g\u00fcnd\u0259lik FS i\u015find\u0259 DISCARD \u0259m\u0259liyyat\u0131n\u0131n tamamlanmas\u0131n\u0131 diskd\u0259n g\u00f6zl\u0259m\u0259k laz\u0131m deyil, bu da bu \u0259m\u0259liyyat\u0131 arxa planda yerin\u0259 yetirir. T\u0259klif olunan t\u0259tbiq eyni zamanda b\u0259zi optimizasiyalar da h\u0259yata ke\u00e7irir. M\u0259s\u0259l\u0259n, b\u0259z\u0259n blokun tezlikl\u0259 istifad\u0259 oluna bil\u0259c\u0259yi ehtimal\u0131 s\u0259b\u0259bind\u0259n DISCARD prosedurunu icra etm\u0259yin \u0259h\u0259miyy\u0259ti olmaya bil\u0259r, eyni zamanda DISCAD \u0259m\u0259liyyat\u0131n\u0131 yerin\u0259 yetirm\u0259d\u0259n \u0259vv\u0259l b\u00f6lg\u0259l\u0259ri birl\u0259\u015fdirm\u0259y\u0259 \u00e7al\u0131\u015f\u0131r ki, bu da \u00fcmumi \u0259m\u0259liyyat say\u0131n\u0131 azalts\u0131n.<\/p>\n

<\/a><\/noindex><\/p>\n

M\u0259nb\u0259: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0414\u043b\u044f \u0444\u0430\u0439\u043b\u043e\u0432\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b btrfs \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0430 \u0430\u0441\u0438\u043d\u0445\u0440\u043e\u043d\u043d\u0430\u044f \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f \u043e\u043f\u0435\u0440\u0430\u0446\u0438\u0438 DISCARD (\u043f\u043e\u043c\u0435\u0442\u043a\u0430 \u043e\u0441\u0432\u043e\u0431\u043e\u0436\u0434\u0451\u043d\u043d\u044b\u0445 \u0431\u043b\u043e\u043a\u043e\u0432, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0443\u0436\u0435 \u043c\u043e\u0436\u043d\u043e \u043d\u0435 \u0445\u0440\u0430\u043d\u0438\u0442\u044c \u0444\u0438\u0437\u0438\u0447\u0435\u0441\u043a\u0438), \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u043d\u0430\u044f \u0438\u043d\u0436\u0435\u043d\u0435\u0440\u0430\u043c\u0438 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Facebook. \u0421\u0443\u0442\u044c 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