{"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\/nl\/blog\/news\/vypusk-obrabotchika-nehvatki-pamyati-earlyoom-1-4","title":{"rendered":"Uitgave van het geheugen tekort verwerkingsprogramma earlyoom 1.4","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Na acht maanden ontwikkeling <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/rfjakob\/earlyoom\/releases\/tag\/v1.4\">gepubliceerd<\/a><\/noindex> is de achtergrondproces uitgebracht <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/rfjakob\/earlyoom\">earlyoom 1.4<\/a><\/noindex>, die regelmatig de beschikbare geheugengrootte (MemAvailable, SwapFree) controleert en probeert vroegtijdig in te grijpen bij geheugen tekort. De projectcode is geschreven in de programmeertaal C en <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/rfjakob\/earlyoom\">wordt verspreid<\/a><\/noindex> onder MIT-licentie.<\/p>\n<p>Als de beschikbare geheugen onder een bepaalde waarde komt, zal earlyoom gedwongen (door een SIGTERM of SIGKILL te sturen) het proces be\u00ebindigen dat het meeste geheugen verbruikt (het hoogste waarde in \/proc\/*\/oom_score), zonder het systeem in een staat te brengen waar de buffers moeten worden gewist en de swap-werking verstoord wordt (de OOM-handler (Out Of Memory) in de kernel wordt actiever wanneer de geheugen tekort een kritieke waarde heeft bereikt en normaal gesproken is het systeem tegen dat tijdstip al niet meer reagerend op de acties van de gebruiker).<\/p>\n<p>Earlyoom ondersteunt het verzenden van meldingen over geforceerd be\u00ebindigde processen naar het bureaublad (met behulp van notify-send) en biedt ook de mogelijkheid om regels te defini\u00ebren, waarbij met behulp van reguliere expressies namen van processen kunnen worden opgegeven die bij voorkeur moeten worden be\u00ebindigd (optie &#171;&#8212;prefer&#187;) of waarvan het beter is om ze te vermijden (optie &#171;&#8212;avoid&#187;). <\/p>\n<p>Belangrijkste <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/rfjakob\/earlyoom#changelog\">wijzigingen<\/a><\/noindex> in de nieuwe release: <\/p>\n<ul>\n<li class=\"l\"> Door <noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Lazy_loading\">uitgestelde laadtijd<\/a><\/noindex> de attributen van processen is de logica voor het selecteren van processen voor be\u00ebindiging met 50% versneld;\n<li class=\"l\"> Er is een registratie in de log van de UID van het be\u00ebindigde proces, naast de PID en de naam van het proces verzekerd;\n<li class=\"l\"> Er is een lichte grijze kleur toegevoegd voor de debugginglog;\n<li class=\"l\"> De code is opgeschoond;\n<li class=\"l\"> Waar mogelijk zijn lokale variabelen in blokken gedeclareerd;\n<li class=\"l\"> Er is een instelling PATH_LEN toegevoegd voor het vervangen van de hardcoded waarde van de buffergrootte;\n<li class=\"l\"> De uitvoering van cppcheck is mogelijk gemaakt indien beschikbaar;\n<li class=\"l\"> Prestatietest 'make bench' toegevoegd;\n<li class=\"l\"> De set tests is uitgebreid (make test);\n<li class=\"l\"> Er is een privilege-verlies van root ge\u00efmplementeerd in het unit-bestand systemd earlyoom.service. Deze wijziging <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/rfjakob\/earlyoom\/pull\/158\">verstoort<\/a><\/noindex> de mogelijkheid van GUI-meldingen. Om GUI-meldingen in te schakelen, wordt voorgesteld om root-rechten te herstellen door 'DynamicUser=true' te decommentari\u00ebren. Uitschakeling van root ook <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/rfjakob\/earlyoom\/wiki\/proc-hidepid\">is<\/a><\/noindex> tot het onvermogen om informatie over geheugengebruik te verkrijgen bij het mounten van \/proc in de modus hidepid=1 of hidepid=2.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Bron: <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 5.0.3 - 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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