{"id":36877,"date":"2019-10-31T22:14:28","date_gmt":"2019-10-31T19:14:28","guid":{"rendered":"https:\/\/prohoster.info\/blog\/yadro-linux-ne-mozhet-myagko-obrabatyvat-situatsii-s-nehvatkoj-pamyati\/"},"modified":"2019-10-31T22:14:28","modified_gmt":"2019-10-31T19:14:28","slug":"yadro-linux-ne-mozhet-myagko-obrabatyvat-situatsii-s-nehvatkoj-pamyati","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/news\/yadro-linux-ne-mozhet-myagko-obrabatyvat-situatsii-s-nehvatkoj-pamyati","title":{"rendered":"Linuxi kerneli ei suuda m\u00e4lu puuduj\u00e4\u00e4ki \u00f5rnalt k\u00e4sitleda","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Linuxi tuuma arendajate meililoendis <noindex><a rel=\"nofollow\" href=\"https:\/\/lkml.org\/lkml\/2019\/8\/4\/15\">t\u00f5statatud<\/a><\/noindex> probleem vaba m\u00e4lu t\u00fchi olukorra t\u00f6\u00f6tlemisel Linuxis:<\/p>\n<blockquote>\n<p>On teada probleem, mis on jahutanud paljusid inimesi juba aastaid ning mida saab kopeerida v\u00e4hem kui m\u00f5ne minutiga Linuxi 5.2.6 tuuma viimase versiooniga. K\u00f5ik tuuma seaded on vaikimisi v\u00e4\u00e4rtustes.<\/p>\n<p>Sammud:<\/p>\n<ul>\n<li class=\"l\"> Laadime parameetriga \"mem=4G.\"\n<li class=\"l\"> L\u00fclitame v\u00e4lja swap'i toe (sudo swapoff -a).\n<li class=\"l\"> K\u00e4ivitame m\u00f5ne veebibrauseri, n\u00e4iteks Chrome'i\/Chromiumi v\u00f5i\/ja Firefoxi.\n<li class=\"l\"> Alustame vahekaartide avamist saitidega ja vaatame, kuidas vaba m\u00e4lu maht v\u00e4heneb.\n<\/ul>\n<p>Kui tekib olukord, kus uus vahekaart vajab rohkem operatiivm\u00e4lu, kui on saadaval, hangub s\u00fcsteem praktiliselt t\u00e4ielikult. Te isegi vaevu suudate hiirekursorit liigutada. K\u00f5vaketta indikaator vilgub pidevalt (mulle ei ole selge, miks). Te ei saa k\u00e4ivitada uusi rakendusi ega sulgeda praegu k\u00e4ivat.<\/p>\n<p>See v\u00e4ike kriis v\u00f5ib kesta minuteid v\u00f5i kauem. Eeldan, et s\u00fcsteem ei tohiks nii k\u00e4ituda. Arvan, et midagi tuleks teha, et v\u00e4ltida selliseid \"k\u00fclmumisi.\"<\/p>\n<p>Olen peaaegu kindel, et m\u00f5ned sysctl parameetrid saaksid olla kohandatud, et selliseid olukordi v\u00e4ltida, kuid midagi \u00fctleb mulle, et see saaks olla vaikimisi seadistatud k\u00f5igile, sest mitte-tehnilised kasutajad, kes sellise probleemiga kokku puutuvad, loobuvad lihtsalt Linuxist, ilma et nad viitsiksid Google'ist lahendusi otsida.\n<\/p><\/blockquote>\n<p>V <noindex><a rel=\"nofollow\" href=\"https:\/\/www.reddit.com\/r\/linux\/comments\/cmg48b\/lets_talk_about_the_elephant_in_the_room_the\/\">kommentaarides<\/a><\/noindex> Redditis m\u00f5ned kasutajad soovitavad kasutada swap'i, kuid see ei lahenda probleemi, vaid l\u00fckkab selle edasi ja sageli s\u00fcvendab seda. Tulekulev lahendus v\u00f5ib tulevikus olla tuuma sisseehitatud <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=49842\">4.20<\/a><\/noindex> ja tuuma t\u00e4iustatud <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51051\">5.2<\/a><\/noindex> PSI (Pressure Stall Information) alam s\u00fcsteem, mis v\u00f5imaldab anal\u00fc\u00fcsida erinevate ressursside (CPU, m\u00e4lu, sisendi\/v\u00e4ljundi) ootamise ajal kogetud teavet. See alam s\u00fcsteem annab v\u00f5imaluse korraldada m\u00e4lu puuduse j\u00e4lgimist varajases staadiumis, tuvastada probleemide allikas ja l\u00f5petada mitteolulised rakendused, v\u00e4ltides seel\u00e4bi kasutaja jaoks m\u00e4rgatavaid efekti. <\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Allikas: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51231\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 \u0441\u043f\u0438\u0441\u043a\u0435 \u0440\u0430\u0441\u0441\u044b\u043b\u043a\u0438 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432 \u044f\u0434\u0440\u0430 Linux \u043f\u043e\u0434\u043d\u044f\u0442\u0430 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u0441 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u043e\u0439 \u0441\u0438\u0442\u0443\u0430\u0446\u0438\u0438 \u0438\u0441\u0447\u0435\u0440\u043f\u0430\u043d\u0438\u044f \u0441\u0432\u043e\u0431\u043e\u0434\u043d\u043e\u0439 \u043f\u0430\u043c\u044f\u0442\u0438 \u0432 Linux: \u0418\u0437\u0432\u0435\u0441\u0442\u043d\u0430 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0430, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u0434\u043e\u043d\u0438\u043c\u0430\u0435\u0442 \u043c\u043d\u043e\u0436\u0435\u0441\u0442\u0432\u043e \u043b\u044e\u0434\u0435\u0439 \u043d\u0430 \u043f\u0440\u043e\u0442\u044f\u0436\u0435\u043d\u0438\u0438 \u043c\u043d\u043e\u0433\u0438\u0445 \u043b\u0435\u0442 \u0438 \u043a\u043e\u0442\u043e\u0440\u0443\u044e \u043c\u043e\u0436\u043d\u043e \u0432\u043e\u0441\u043f\u0440\u043e\u0438\u0437\u0432\u0435\u0441\u0442\u0438 \u043c\u0435\u043d\u044c\u0448\u0435, \u0447\u0435\u043c \u0437\u0430 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u043c\u0438\u043d\u0443\u0442 \u043d\u0430 \u043f\u043e\u0441\u043b\u0435\u0434\u043d\u0435\u0439 \u0432\u0435\u0440\u0441\u0438\u0438 \u044f\u0434\u0440\u0430 Linux 5.2.6. \u0412\u0441\u0435 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u044b \u044f\u0434\u0440\u0430 \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d\u044b \u0432 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e. \u0428\u0430\u0433\u0438: \u0417\u0430\u0433\u0440\u0443\u0436\u0430\u0435\u043c\u0441\u044f \u0441 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u043e\u043c &#171;mem=4G&#187;. \u0412\u044b\u043a\u043b\u044e\u0447\u0430\u0435\u043c [&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-36877","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One 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