{"id":54854,"date":"2020-01-06T00:00:00","date_gmt":"2020-01-05T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/v-fedora-32-namereny-vklyuchit-earlyoom-dlya-rannego-reagirovaniya-na-nehvatku-pamyati"},"modified":"2020-02-18T14:02:54","modified_gmt":"2020-02-18T11:02:54","slug":"v-fedora-32-namereny-vklyuchit-earlyoom-dlya-rannego-reagirovaniya-na-nehvatku-pamyati","status":"publish","type":"post","link":"https:\/\/prohoster.info\/de\/blog\/news\/v-fedora-32-namereny-vklyuchit-earlyoom-dlya-rannego-reagirovaniya-na-nehvatku-pamyati","title":{"rendered":"In Fedora 32 soll earlyoom zur fr\u00fchzeitigen Reaktion auf Speicherengp\u00e4sse integriert werden","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/www.mail-archive.com\/devel-announce@lists.fedoraproject.org\/msg02139.html\">Ver\u00f6ffentlicht<\/a><\/noindex> <noindex><a rel=\"nofollow\" href=\"https:\/\/fedoraproject.org\/wiki\/Changes\/EnableEarlyoom\">den Plan<\/a><\/noindex> <noindex><a rel=\"nofollow\" href=\"https:\/\/pagure.io\/fedora-workstation\/issue\/119\">Einschaltung<\/a><\/noindex> standardm\u00e4\u00dfig in Fedora 32 des Hintergrundprozesses <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/rfjakob\/earlyoom\">earlyoom<\/a><\/noindex> zur fr\u00fchzeitigen Reaktion auf den Mangel an Arbeitsspeicher im System. Wenn der verf\u00fcgbare Speicher geringer ist als der festgelegte Wert, beendet earlyoom durch das Senden von SIGTERM (freier Speicher unter 10 %) oder SIGKILL (&lt; 5 %) zwangsl\u00e4ufig (beendet den Prozess, der am meisten Speicher ben\u00f6tigt (mit dem h\u00f6chsten Wert \/proc\/*\/oom_score), ohne den Zustand des Systems zur Bereinigung der Systempuffer zu bringen. Earlyoom erm\u00f6glicht eine schnellere Reaktion auf den Mangel an Arbeitsspeicher, ohne den OOM-Handler (Out Of Memory) im Kernel zu aktivieren, der ausgel\u00f6st wird, wenn die Situation kritisch wird und das System in der Regel nicht mehr auf Benutzeraktionen reagiert.<\/p>\n<p>In sp\u00e4teren Versionen von Fedora <noindex><a rel=\"nofollow\" href=\"https:\/\/pagure.io\/fedora-workstation\/issue\/98\">wird die M\u00f6glichkeit untersucht<\/a><\/noindex> einen Speicherengpass-Handler zu aktivieren <noindex><a rel=\"nofollow\" href=\"https:\/\/gitlab.freedesktop.org\/hadess\/low-memory-monitor\/\">low-memory-monitor<\/a><\/noindex>, der die in den Linux-Kernel eingef\u00fchrte <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51051\">5.2<\/a><\/noindex> Schnittstelle \/proc\/pressure\/memory nutzt, um den Mangel an Arbeitsspeicher im System einzusch\u00e4tzen. Im Gegensatz zu earlyoom beendet er jedoch nicht sofort Prozesse, sondern sendet \u00fcber DBus eine Benachrichtigung zur Notwendigkeit, den Speicherverbrauch zu senken (wenn sich die Situation danach nicht normalisiert, kann die Aktivierung <noindex><a rel=\"nofollow\" href=\"https:\/\/gitlab.freedesktop.org\/hadess\/low-memory-monitor\/#kernel-out-of-memory-killer\">OOM Killer<\/a><\/noindex> des Kernels erfolgen). Low-memory-monitor erfordert Modifikationen der Anwendungen, weshalb er als L\u00f6sung f\u00fcr die fernere Perspektive betrachtet wird, die nach der Anpassung von GNOME-Anwendungen eingesetzt werden kann.  <\/p>\n<p>Um die Speicherknappheit von Anwendungen in Glib zu \u00fcberwachen, <noindex><a rel=\"nofollow\" href=\"https:\/\/gitlab.gnome.org\/GNOME\/glib\/-\/tags\/2.63.3\">2.63.3<\/a><\/noindex>  wurde eine API <noindex><a rel=\"nofollow\" href=\"https:\/\/developer.gnome.org\/gio\/2.63\/GMemoryMonitor.html\">GMemoryMonitor<\/a><\/noindex>, <noindex><a rel=\"nofollow\" href=\"http:\/\/www.hadess.net\/2019\/12\/gmemorymonitor-low-memory-monitor-2nd.html\">wurde stabilisiert,<\/a><\/noindex> hinzugef\u00fcgt, um Signale vom low-memory-monitor zu verfolgen und entsprechende Ma\u00dfnahmen zu ergreifen (zum Beispiel kann die Anwendung Speicher freigeben, der f\u00fcr Caching verwendet wird, Dateien speichern, Garbage Collection durchf\u00fchren, versuchen, die Speicherfragmentierung zu reduzieren oder im Leerlauf befindliche Hilfsprozesse zu beenden). Die Unterst\u00fctzung<br \/>\nvon GMemoryMonitor wurde auch in xdg-desktop-portal f\u00fcr den Einsatz in isolierten Anwendungen, die im Flatpak-Format bereitgestellt werden, hinzugef\u00fcgt.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Quelle: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52136\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u043f\u043b\u0430\u043d \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044f \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e \u0432 Fedora 32 \u0444\u043e\u043d\u043e\u0432\u043e\u0433\u043e \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0430 earlyoom \u0434\u043b\u044f \u0440\u0430\u043d\u043d\u0435\u0433\u043e \u0440\u0435\u0430\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u043d\u0430 \u043d\u0435\u0445\u0432\u0430\u0442\u043a\u0443 \u043f\u0430\u043c\u044f\u0442\u0438 \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u0435. \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 \u0447\u0435\u0440\u0435\u0437 \u043e\u0442\u043f\u0440\u0430\u0432\u043a\u0443 SIGTERM (\u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0439 \u043f\u0430\u043c\u044f\u0442\u0438 \u043c\u0435\u043d\u044c\u0448\u0435 10%) \u0438\u043b\u0438 SIGKILL (&lt; 5%) \u043f\u0440\u0438\u043d\u0443\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e (\u0437\u0430\u0432\u0435\u0440\u0448\u0438\u0442 \u0440\u0430\u0431\u043e\u0442\u0443 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0430, \u043d\u0430\u0438\u0431\u043e\u043b\u0435\u0435 \u0430\u043a\u0442\u0438\u0432\u043d\u043e \u043f\u043e\u0442\u0440\u0435\u0431\u043b\u044f\u044e\u0449\u0435\u0433\u043e \u043f\u0430\u043c\u044f\u0442\u044c (\u0438\u043c\u0435\u044e\u0449\u0435\u0433\u043e \u0441\u0430\u043c\u043e\u0435 \u0431\u043e\u043b\u044c\u0448\u043e\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \/proc\/*\/oom_score), \u043d\u0435 \u0434\u043e\u0432\u043e\u0434\u044f \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435 [&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-54854","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\" 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