{"id":99809,"date":"2021-04-15T10:22:49","date_gmt":"2021-04-15T08:22:49","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/kompaniya-google-predstavila-patchi-mnogourovnevogo-lru-dlya-linux"},"modified":"2021-04-15T10:22:49","modified_gmt":"2021-04-15T08:22:49","slug":"kompaniya-google-predstavila-patchi-mnogourovnevogo-lru-dlya-linux","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pl\/blog\/news\/kompaniya-google-predstavila-patchi-mnogourovnevogo-lru-dlya-linux","title":{"rendered":"Firma Google zaprezentowa\u0142a poprawki wielopoziomowego LRU dla Linux","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Firma Google zaprezentowa\u0142a poprawki z ulepszon\u0105 realizacj\u0105 mechanizmu LRU dla systemu Linux. LRU (Least Recently Used) \u2014 to mechanizm, kt\u00f3ry pozwala na usuwanie lub przenoszenie do swapu nieu\u017cywanych stron pami\u0119ci. Wed\u0142ug firmy Google, istniej\u0105ca realizacja mechanizmu okre\u015blania usuwanych stron generuje zbyt du\u017ce obci\u0105\u017cenie CPU i cz\u0119sto podejmuje nietrafne decyzje dotycz\u0105ce tego, kt\u00f3re strony nale\u017cy usun\u0105\u0107. <\/p>\n

W przeprowadzonych przez firm\u0119 eksperymentach nowa implementacja LRU zmniejszy\u0142a liczb\u0119 wymuszonych zako\u0144cze\u0144 program\u00f3w z powodu braku pami\u0119ci w systemie (OOM kill) o 18%, w Chrome OS o 96% spad\u0142a liczba porzuconych kart przegl\u0105darki z powodu braku pami\u0119ci, a liczba OOM kill w obci\u0105\u017conych urz\u0105dzeniach zmniejszy\u0142a si\u0119 o 59%. To druga wersja poprawek, w kt\u00f3rej usuni\u0119to regresj\u0119 wydajno\u015bci oraz inne zauwa\u017cone w trakcie test\u00f3w niedoci\u0105gni\u0119cia.
\n
\u0179r\u00f3d\u0142o: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Google \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0430 \u043f\u0430\u0442\u0447\u0438 \u0441 \u0443\u043b\u0443\u0447\u0448\u0435\u043d\u043d\u043e\u0439 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0435\u0439 \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c\u0430 LRU \u0434\u043b\u044f Linux. LRU (Least Recently User) — \u044d\u0442\u043e \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0439 \u043e\u0442\u0431\u0440\u0430\u0441\u044b\u0432\u0430\u0442\u044c \u0438\u043b\u0438 \u0432\u044b\u0433\u0440\u0443\u0436\u0430\u0442\u044c \u0432 \u0441\u0432\u043e\u043f \u043d\u0435\u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u044b\u0435 \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u044b \u043f\u0430\u043c\u044f\u0442\u0438. \u041f\u043e \u043c\u043d\u0435\u043d\u0438\u044e \u043a\u043e\u0440\u043f\u043e\u0440\u0430\u0446\u0438\u0438 Google, \u0441\u0443\u0449\u0435\u0441\u0442\u0432\u0443\u044e\u0449\u0430\u044f \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c\u0430 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u044f \u0432\u044b\u0442\u0435\u0441\u043d\u044f\u0435\u043c\u044b\u0445 \u0441\u0442\u0440\u0430\u043d\u0438\u0446 \u0441\u043e\u0437\u0434\u0430\u0451\u0442 \u0441\u043b\u0438\u0448\u043a\u043e\u043c \u0432\u044b\u0441\u043e\u043a\u0443\u044e \u043d\u0430\u0433\u0440\u0443\u0437\u043a\u0443 \u043d\u0430 CPU, \u0430 \u0442\u0430\u043a\u0436\u0435 \u0447\u0430\u0441\u0442\u043e \u043f\u0440\u0438\u043d\u0438\u043c\u0430\u0435\u0442 \u043d\u0435\u0443\u0434\u0430\u0447\u043d\u044b\u0435 \u0440\u0435\u0448\u0435\u043d\u0438\u044f, \u043a\u0430\u043a\u0438\u0435 \u0438\u043c\u0435\u043d\u043d\u043e \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u044b \u0432\u044b\u0433\u0440\u0443\u0436\u0430\u0442\u044c. \u0412 \u044d\u043a\u0441\u043f\u0435\u0440\u0438\u043c\u0435\u043d\u0442\u0430\u0445, […]<\/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-99809","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\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\udd47Firma Google wprowadzi\u0142a poprawki w wielopoziomowym LRU dla Linux | ProHoster","description":"Firma Google wprowadzi\u0142a poprawki z ulepszon\u0105 implementacj\u0105 mechanizmu LRU dla systemu Linux. 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