{"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\/sl\/blog\/news\/microsoft-realizoval-v-wsl2-windows-subsystem-for-linux-vozvrashhenie-pamyati-sisteme","title":{"rendered":"Microsoft je v WSL2 (Windows Subsystem for Linux) omogo\u010dil vra\u010dilo spomina sistemu","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Podjetje Microsoft je objavilo<\/a><\/noindex> o raz\u0161irjanju mo\u017enosti plastike WSL2 (Windows Subsystem for Linux), ki omogo\u010da zagon izvr\u0161nih datotek Linux v Windows. V eksperimentalnih razli\u010dicah Windows Insider<\/a><\/noindex> (build 19013) v plasti WSL2 se je pojavila podpora za vra\u010danje spomina (Memory Reclamation), ki ga osvobajajo procesi, ki delujejo v okolju, temelje\u010dem na jedru Linux. <\/p>\n

Prej so se ob pove\u010danem pomnilni\u0161kem povpra\u0161evanju s strani aplikacij ali jedra dodelili pomnilnik virtualni napravi WSL2, vendar je pomnilnik ostal pritrjen in se ni vrnil v sistem, tudi po zaklju\u010dku procesov, ki zahtevajo veliko virov, in ob odsotnosti nadaljnjih potreb po dodeljenem pomnilniku. Mehanizem Memory Reclamation omogo\u010da vrnitev spro\u0161\u010denega pomnilnika osnovnemu operacijskemu sistemu in samodejno zmanj\u0161uje koli\u010dino pomnilnika virtualne naprave. Pri tem se vrne ne le pomnilnik, ki ga spro\u0161\u010dajo uporabni\u0161ki procesi, temve\u010d tudi pomnilnik, ki se je uporabljal za predpomnjenje v jedru Linux. Na primer, ob visoki dis\u010dni aktivnosti se pove\u010duje velikost strani\u010dnega predpomnilnika, kjer se shranjuje vsebina datotek med delovanjem datote\u010dnega sistema. Po izvedbi «echo 1 > \\\/proc\\\/sys\\\/vm\\\/drop_caches» je predpomnilnik mogo\u010de po\u010distiti in vrniti pomnilnik osnovnemu operacijskemu sistemu.<\/p>\n

Izvedba Memory Reclamation temelji na
\npatchu<\/a><\/noindex>, ki so ga predlagali in\u017eenirji Intel za vklju\u010ditev v glavno jedro Linux z namenom raz\u0161iritve zmo\u017enosti gonilnika virtio-balloon in za sistem upravljanja spomina. Ta patch je zasnovan za uporabo v vseh gostiteljskih sistemih za vra\u010danje neizkori\u0161\u010denih strani spomina gostiteljskemu sistemu in ga je mogo\u010de uporabljati z razli\u010dnimi hipervizorji. V primeru WSL2 je patch prilagojen za vra\u010danje spomina hipervizorju Hyper-V.<\/p>\n

Spomnimo se, da druga razli\u010dica WSL se razlikuje<\/a><\/noindex> nudi polno jedro Linux namesto emulatorja, ki v realnem \u010dasu prevaja sistemske klice Linux v sistemske klice Windows. Dobavljeno v WSL2 jedro Linux<\/a><\/noindex> temelji na izdaji 4.19, ki se izvaja v okolju Windows s pomo\u010djo virtualnega stroja, ki se \u017ee uporablja v Azure. Posodobitve za jedro Linux se dostavljajo preko mehanizma Windows Update in se testirajo v infrastrukturi neprekinjene integracije Microsoft. Specifi\u010dni patchi za WSL2 vklju\u010dujejo optimizacije za zmanj\u0161anje \u010dasa nalaganja jedra, zmanj\u0161anje porabe spomina in ohranjanje minimalnega nabora gonilnikov in podsistemov v jedru.<\/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 v WSL2 (Windows Subsystem for Linux) uvedel vra\u010dilo pomnilnika v sistem | ProHoster","description":"Podjetje Microsoft je napovedalo \u0161iritev zmogljivosti vmesnika 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