{"id":52100,"date":"2019-10-31T00:00:00","date_gmt":"2019-10-30T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/microsoft-realizoval-v-wsl2-windows-subsystem-for-linux-vozvrashhenie-pamyati-sisteme"},"modified":"2020-02-18T13:59:46","modified_gmt":"2020-02-18T10:59:46","slug":"microsoft-realizoval-v-wsl2-windows-subsystem-for-linux-vozvrashhenie-pamyati-sisteme","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hr\/blog\/news\/microsoft-realizoval-v-wsl2-windows-subsystem-for-linux-vozvrashhenie-pamyati-sisteme","title":{"rendered":"Microsoft je implementirao vra\u0107anje memorije sistemu u WSL2 (Windows Subsystem for Linux)","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Tvrtka Microsoft najavila<\/a><\/noindex> o pro\u0161irenju mogu\u0107nosti WSL2 (Windows Subsystem for Linux) koji omogu\u0107ava pokretanje izvr\u0161nih datoteka Linuxa na Windowsu. U eksperimentalnim verzijama Windows Insider<\/a><\/noindex> (build 19013) u WSL2 je podr\u0161ka za povratak memorije (Memory Reclamation) koja se osloba\u0111a procesima koji rade u okru\u017eenju temeljenom na Linux jezgru. <\/p>\n

Ranije je, u slu\u010daju pove\u0107anja potro\u0161nje memorije od strane aplikacija ili jezgre, memorija dodijeljena virtualnoj ma\u0161ini WSL2, ali je nakon toga ostajala fiksirana i nije se vra\u0107ala sustavu, \u010dak ni nakon zavr\u0161etka resursno intenzivnog procesa i odsutnosti daljnje potrebe za dodijeljenom memorijom. Mehanizam vra\u0107anja memorije omogu\u0107uje vra\u0107anje oslobo\u0111ene memorije u glavnu OS i automatsko smanjenje veli\u010dine memorije virtualne ma\u0161ine. Pri tome se vra\u0107a ne samo memorija koju osloba\u0111aju korisni\u010dki procesi, ve\u0107 i memorija kori\u0161tena za ke\u0161iranje u Linux jezgru. Na primjer, kod visoke diskovne aktivnosti pove\u0107ava se veli\u010dina ke\u0161a stranica, gdje se zadr\u017eava sadr\u017eaj datoteka tijekom rada FS. Nakon izvr\u0161avanja 'echo 1 > \/proc\/sys\/vm\/drop_caches' ke\u0161 se mo\u017ee o\u010distiti i vratiti memoriju u glavnu OS.<\/p>\n

Implementacija Memory Reclamation temelji se na
\npatchu<\/a><\/noindex>, koji su predlo\u017eili in\u017eenjeri Intela za uklju\u010divanje u glavno Linux jezgro s ciljem pro\u0161irivanja mogu\u0107nosti virtio-balloon drajvera i za upravljanje memorijom. Ta\u010dno je ta\u010dan patch osmi\u0161ljen za kori\u0161tenje u bilo kojim gostuju\u0107im sistemima za vra\u0107anje neiskori\u0161tenih stranica memorije mati\u010dnoj sistemu i mo\u017ee se koristiti s razli\u010ditim hipervizorima. U slu\u010daju WSL2, patch je prilago\u0111en za vra\u0107anje memorije hipervizoru Hyper-V.<\/p>\n

Podse\u0107amo da je druga verzija WSL odlikuje se<\/a><\/noindex> isporuka punog Linux jezgra umesto emulatora koji u stvarnom vremenu prevodi sistemske pozive Linuxa u sistemske pozive Windowsa. Isporu\u010deno u WSL2 Linux jezgro<\/a><\/noindex> temelji se na izdanju 4.19, koje se pokre\u0107e u Windows okru\u017eenju preko virtuelne ma\u0161ine koja se ve\u0107 koristi u Azure. A\u017euriranja za Linux jezgro isporu\u010duju se kroz mehanizam Windows Update i testiraju se u Microsoftovoj infrastrukturi kontinuirane integracije. Specifi\u010dni patch-evi za WSL2 u jezgru uklju\u010duju optimizacije za smanjenje vremena pokretanja jezgra, smanjenje potro\u0161nje memorije i ostavljanje minimalno potrebnog skupa drajvera i podsustava u jezgru.<\/p>\n

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

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

\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Microsoft \u043e\u0431\u044a\u044f\u0432\u0438\u043b\u0430 \u043e \u0440\u0430\u0441\u0448\u0438\u0440\u0435\u043d\u0438\u0438 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0435\u0439 \u043f\u0440\u043e\u0441\u043b\u043e\u0439\u043a\u0438 WSL2 (Windows Subsystem for Linux), \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u044e\u0449\u0435\u0439 \u0437\u0430\u043f\u0443\u0441\u043a \u0438\u0441\u043f\u043e\u043b\u043d\u044f\u0435\u043c\u044b\u0445 \u0444\u0430\u0439\u043b\u043e\u0432 Linux \u0432 Windows. \u0412 \u044d\u043a\u0441\u043f\u0435\u0440\u0438\u043c\u0435\u043d\u0442\u0430\u043b\u044c\u043d\u044b\u0445 \u0441\u0431\u043e\u0440\u043a\u0430\u0445 Windows Insider (build 19013) \u0432 \u043f\u0440\u043e\u0441\u043b\u043e\u0439\u043a\u0435 WSL2 \u043f\u043e\u044f\u0432\u0438\u043b\u0430\u0441\u044c \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u0432\u043e\u0437\u0432\u0440\u0430\u0449\u0435\u043d\u0438\u044f \u0441\u0438\u0441\u0442\u0435\u043c\u0435 \u043f\u0430\u043c\u044f\u0442\u0438 (Memory Reclamation), \u043e\u0441\u0432\u043e\u0431\u043e\u0436\u0434\u0430\u0435\u043c\u043e\u0439 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0430\u043c\u0438, \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0449\u0438\u043c\u0438 \u0432 \u043e\u043a\u0440\u0443\u0436\u0435\u043d\u0438\u0438 \u043d\u0430 \u0431\u0430\u0437\u0435 \u044f\u0434\u0440\u0430 Linux. \u0420\u0430\u043d\u0435\u0435 \u0432 \u0441\u043b\u0443\u0447\u0430\u0435 \u0440\u043e\u0441\u0442\u0430 \u043f\u043e\u0442\u0440\u0435\u0431\u043b\u0435\u043d\u0438\u044f \u043f\u0430\u043c\u044f\u0442\u0438 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f\u043c\u0438 \u0438\u043b\u0438 \u044f\u0434\u0440\u043e\u043c, \u043f\u0430\u043c\u044f\u0442\u044c […]<\/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-52100","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\udd47Microsoft je implementirao povratak memorije u WSL2 (Windows Subsystem for Linux) | ProHoster","description":"Tvrtka Microsoft objavila je pro\u0161irenje mogu\u0107nosti sloja 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