{"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\/hu\/blog\/news\/v-fedora-32-namereny-vklyuchit-earlyoom-dlya-rannego-reagirovaniya-na-nehvatku-pamyati","title":{"rendered":"A Fedora 32-ben az earlyoom-t be k\u00edv\u00e1nj\u00e1k \u00e9p\u00edteni a mem\u00f3riahi\u00e1ny korai kezel\u00e9s\u00e9re.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Megjelent<\/a><\/noindex> terv<\/a><\/noindex> bekapcsol\u00e1sa<\/a><\/noindex> Alap\u00e9rtelmez\u00e9s szerint a Fedora 32 h\u00e1tt\u00e9rfolyamat\u00e1hoz earlyoom<\/a><\/noindex> a rendszer mem\u00f3riahi\u00e1ny\u00e1nak korai \u00e9szlel\u00e9s\u00e9re. Ha a rendelkez\u00e9sre \u00e1ll\u00f3 mem\u00f3ria mennyis\u00e9ge alacsonyabb, mint a megadott \u00e9rt\u00e9k, az earlyoom a SIGTERM jelz\u00e9s elk\u00fcld\u00e9s\u00e9vel (ha a szabad mem\u00f3ria kevesebb mint 10%) vagy a SIGKILL-leel (< 5%) k\u00e9nyszer\u00edtve (le\u00e1ll\u00edtja a mem\u00f3ri\u00e1t legintenz\u00edvebben fogyaszt\u00f3 folyamatot - a legmagasabb \\\/proc\\\/*\\\/oom_score \u00e9rt\u00e9kkel) an\u00e9lk\u00fcl, hogy a rendszer \u00e1llapot\u00e1t a rendszersz\u00ednek \u00fcr\u00edt\u00e9s\u00e9hez vinn\u00e9. Az earlyoom lehet\u0151v\u00e9 teszi a mem\u00f3riahi\u00e1nyra val\u00f3 gyorsabb reag\u00e1l\u00e1st, an\u00e9lk\u00fcl, hogy el\u00e9rn\u00e9nk az OOM (Out Of Memory) kezel\u0151 aktiv\u00e1l\u00e1s\u00e1t a kernelben, amely akkor aktiv\u00e1l\u00f3dik, amikor a helyzet kritikus, \u00e9s a rendszer \u00e1ltal\u00e1ban m\u00e1r nem reag\u00e1l a felhaszn\u00e1l\u00f3i m\u0171veletekre.<\/p>\n

A Fedora t\u00e1volabbi kiad\u00e1saiban fontol\u00f3ra veszik<\/a><\/noindex> a mem\u00f3riahi\u00e1ny-kezel\u0151 aktiv\u00e1l\u00e1s\u00e1t low-memory-monitor<\/a><\/noindex>, amely a Linux kernelben megjelent 5.2<\/a><\/noindex> \\\/proc\\\/pressure\\\/memory interf\u00e9szt haszn\u00e1lja a rendszer mem\u00f3riahi\u00e1ny\u00e1nak felm\u00e9r\u00e9s\u00e9re, de az earlyoom-t\u00f3l elt\u00e9r\u0151en azonnal nem z\u00e1rja le a folyamatokat, hanem egy DBus \u00e9rtes\u00edt\u00e9st k\u00fcld a mem\u00f3riafogyaszt\u00e1s cs\u00f6kkent\u00e9s\u00e9nek sz\u00fcks\u00e9g\u00e9r\u0151l (ha ezut\u00e1n a helyzet nem normaliz\u00e1l\u00f3dik, lehet\u0151s\u00e9g van a OOM Killer<\/a><\/noindex> aktiv\u00e1l\u00e1s\u00e1ra). A Low-memory-monitor m\u00f3dos\u00edt\u00e1st ig\u00e9nyel az alkalmaz\u00e1sokban, ez\u00e9rt t\u00e1voli megold\u00e1sk\u00e9nt van sz\u00e1mba v\u00e9ve, amelyet a GNOME alkalmaz\u00e1sok adapt\u00e1l\u00e1sa ut\u00e1n lehet alkalmazni. <\/p>\n

A mem\u00f3riahi\u00e1ny alkalmaz\u00e1sok \u00e1ltali nyomon k\u00f6vet\u00e9s\u00e9re a Glib 2.63.3<\/a><\/noindex> API-ja ker\u00fclt bevezet\u00e9sre, GMemoryMonitor<\/a><\/noindex>, amely lehet\u0151v\u00e9 teszi<\/a><\/noindex> a low-memory-monitor jelz\u00e9seinek nyomon k\u00f6vet\u00e9s\u00e9re \u00e9s int\u00e9zked\u00e9sek megt\u00e9tel\u00e9re (p\u00e9ld\u00e1ul az alkalmaz\u00e1s felszabad\u00edthatja a gyors\u00edt\u00f3t\u00e1rhoz haszn\u00e1lt mem\u00f3ri\u00e1t, f\u00e1jlokat menthet, elind\u00edthatja a szem\u00e9tgy\u0171jt\u00e9st, megpr\u00f3b\u00e1lhatja cs\u00f6kkenteni a mem\u00f3ria t\u00f6redezetts\u00e9g\u00e9t, vagy le\u00e1ll\u00edthatja a felesleges seg\u00e9dfolyamatokat). A GMemoryMonitor t\u00e1mogat\u00e1sa az xdg-desktop-portalban is hozz\u00e1 lett adva az izol\u00e1lt alkalmaz\u00e1sokban, amelyek flatpak form\u00e1tumban \u00e9rkeznek.
\n\ud83e\udd47A Fedora 32-ben az earlyoom bevezet\u00e9s\u00e9t tervezik a mem\u00f3riahi\u00e1nyra val\u00f3 korai reag\u00e1l\u00e1s \u00e9rdek\u00e9ben | ProHoster<\/p>\n

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

Forr\u00e1s: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\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 (< 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 […]<\/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\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\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47A Fedora 32-ben az earlyoom bevezet\u00e9s\u00e9t tervezik a mem\u00f3riahi\u00e1nyra val\u00f3 korai reag\u00e1l\u00e1s \u00e9rdek\u00e9ben | 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