{"id":72251,"date":"2020-03-03T02:42:20","date_gmt":"2020-03-02T23:42:20","guid":{"rendered":"https:\/\/prohoster.info\/blog\/vypusk-obrabotchika-nehvatki-pamyati-earlyoom-1-4"},"modified":"2020-03-03T16:10:14","modified_gmt":"2020-03-03T13:10:14","slug":"vypusk-obrabotchika-nehvatki-pamyati-earlyoom-1-4","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pl\/blog\/news\/vypusk-obrabotchika-nehvatki-pamyati-earlyoom-1-4","title":{"rendered":"Wydanie obs\u0142ugi zaniku pami\u0119ci earlyoom 1.4","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Po o\u015bmiu miesi\u0105cach prac rozwojowych <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/rfjakob\/earlyoom\/releases\/tag\/v1.4\">opublikowano<\/a><\/noindex> wydanie procesu w tle <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/rfjakob\/earlyoom\">earlyoom 1.4<\/a><\/noindex>, kt\u00f3ry okresowo sprawdza ilo\u015b\u0107 dost\u0119pnej pami\u0119ci (MemAvailable, SwapFree) i stara si\u0119 zareagowa\u0107 na wyst\u0105pienie niedoboru pami\u0119ci na wczesnym etapie. Kod projektu zosta\u0142 napisany w j\u0119zyku C i <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/rfjakob\/earlyoom\">rozpowszechniany<\/a><\/noindex> jest obj\u0119ty licencj\u0105 MIT.<\/p>\n<p>Je\u015bli ilo\u015b\u0107 dost\u0119pnej pami\u0119ci jest mniejsza od ustalonej warto\u015bci, earlyoom wymusi (poprzez wys\u0142anie SIGTERM lub SIGKILL) zako\u0144czenie procesu, kt\u00f3ry najbardziej intensywnie zu\u017cywa pami\u0119\u0107 (maj\u0105cego najwy\u017cszy wska\u017anik \/proc\/*\/oom_score), nie doprowadzaj\u0105c stanu systemu do oczyszczenia bufor\u00f3w systemowych i utrudniaj\u0105c dzia\u0142anie swapowania (handler OOM (Out Of Memory) w j\u0105drze uruchamia si\u0119, gdy stan niedoboru pami\u0119ci ju\u017c osi\u0105gn\u0105\u0142 krytyczne warto\u015bci i zwykle w tym momencie system ju\u017c nie reaguje na dzia\u0142ania u\u017cytkownika).<\/p>\n<p>Earlyoom obs\u0142uguje wysy\u0142anie powiadomie\u0144 o zako\u0144czonych procesach na pulpit (za pomoc\u0105 notify-send) oraz umo\u017cliwia definiowanie regu\u0142, w kt\u00f3rych za pomoc\u0105 wyra\u017ce\u0144 regularnych mo\u017cna okre\u015bli\u0107 nazwy proces\u00f3w, kt\u00f3rych zako\u0144czenie jest preferowane (opcja &#171;&#8212;prefer&#187;) lub kt\u00f3rych zatrzymania nale\u017cy unika\u0107 (opcja &#171;&#8212;avoid&#187;). <\/p>\n<p>Podstawowe <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/rfjakob\/earlyoom#changelog\">zmiany<\/a><\/noindex> w nowym wydaniu: <\/p>\n<ul>\n<li class=\"l\"> Dzi\u0119ki <noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Lazy_loading\">op\u00f3\u017anionego \u0142adowania<\/a><\/noindex> atrybutom proces\u00f3w logika wyboru proces\u00f3w do zako\u0144czenia przyspieszona o 50%;\n<li class=\"l\"> Zarejestrowano w logu UID zako\u0144czonego procesu, opr\u00f3cz PID i nazwy procesu;\n<li class=\"l\"> Dodano pod\u015bwietlenie logu debugowania jasnoszarym kolorem;\n<li class=\"l\"> Przeprowadzono czyszczenie kodu;\n<li class=\"l\"> Tam, gdzie to mo\u017cliwe, wykorzystano deklaracje lokalnych zmiennych dla blok\u00f3w;\n<li class=\"l\"> Dodano opcj\u0119 PATH_LEN do zast\u0105pienia wbudowanej w kod warto\u015bci rozmiaru bufora;\n<li class=\"l\"> Zapewniono uruchomienie cppcheck, je\u015bli jest dost\u0119pny;\n<li class=\"l\"> Dodano test wydajno\u015bci &#171;make bench&#187;;\n<li class=\"l\"> Rozszerzono zestaw test\u00f3w (make test);\n<li class=\"l\"> Wprowadzono reset uprawnie\u0144 root w pliku jednostki systemd earlyoom.service. Ta zmiana <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/rfjakob\/earlyoom\/pull\/158\">\u0142ama\u0142a<\/a><\/noindex> mo\u017cliwo\u015b\u0107 powiadomie\u0144 GUI. Aby w\u0142\u0105czy\u0107 powiadomienia GUI, zaleca si\u0119 przywr\u00f3cenie uprawnie\u0144 root, odkomentowuj\u0105c &#171;DynamicUser=true&#187;. Wy\u0142\u0105czenie root r\u00f3wnie\u017c <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/rfjakob\/earlyoom\/wiki\/proc-hidepid\">przywo\u0142uje<\/a><\/noindex> prowadzi do braku mo\u017cliwo\u015bci uzyskania informacji o zu\u017cyciu pami\u0119ci przy montowaniu \/proc w trybie hidepid=1 lub hidepid=2.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>\u0179r\u00f3d\u0142o: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52465\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 \u0432\u043e\u0441\u044c\u043c\u0438 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u0444\u043e\u043d\u043e\u0432\u043e\u0433\u043e \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0430 earlyoom 1.4, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043f\u0435\u0440\u0438\u043e\u0434\u0438\u0447\u0435\u0441\u043a\u0438 \u043f\u0440\u043e\u0432\u0435\u0440\u044f\u0435\u0442 \u043e\u0431\u044a\u0435\u043c \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u043e\u0439 \u043f\u0430\u043c\u044f\u0442\u0438 (MemAvailable, SwapFree) \u0438 \u043f\u044b\u0442\u0430\u0435\u0442\u0441\u044f \u043d\u0430 \u0440\u0430\u043d\u043d\u0435\u0439 \u0441\u0442\u0430\u0434\u0438\u0438 \u043e\u0442\u0440\u0435\u0430\u0433\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u043d\u0430 \u0432\u043e\u0437\u043d\u0438\u043a\u043d\u043e\u0432\u0435\u043d\u0438\u044f \u043d\u0435\u0445\u0432\u0430\u0442\u043a\u0438 \u043f\u0430\u043c\u044f\u0442\u0438. \u041a\u043e\u0434 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 \u0421\u0438 \u0438 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0439 MIT. \u0415\u0441\u043b\u0438 \u043e\u0431\u044a\u0451\u043c \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u043e\u0439 \u043f\u0430\u043c\u044f\u0442\u0438 \u043c\u0435\u043d\u044c\u0448\u0435 \u0437\u0430\u0434\u0430\u043d\u043d\u043e\u0433\u043e \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f, \u0442\u043e earlyoom \u043f\u0440\u0438\u043d\u0443\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e (\u0447\u0435\u0440\u0435\u0437 \u043e\u0442\u043f\u0440\u0430\u0432\u043a\u0443 SIGTERM \u0438\u043b\u0438 SIGKILL) \u0437\u0430\u0432\u0435\u0440\u0448\u0438\u0442 [&hellip;]<\/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-72251","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u043e\u0441\u043b\u0435 \u0432\u043e\u0441\u044c\u043c\u0438 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0432\u044b\u043f\u0443\u0441\u043a \u0444\u043e\u043d\u043e\u0432\u043e\u0433\u043e \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0430\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri 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