{"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\/ro\/blog\/news\/microsoft-realizoval-v-wsl2-windows-subsystem-for-linux-vozvrashhenie-pamyati-sisteme","title":{"rendered":"Microsoft a implementat \u00een WSL2 (Windows Subsystem for Linux) restituirea memoriei sistemului","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Compania Microsoft a anun\u021bat<\/a><\/noindex> despre extinderea capacit\u0103\u021bilor stratului WSL2 (Windows Subsystem for Linux), care permite executarea fi\u0219ierelor executabile Linux \u00een Windows. \u00cen versiunile experimentale Windows Insider<\/a><\/noindex> (build 19013) \u00een stratul WSL2 a ap\u0103rut suportul pentru recuperarea memoriei (Memory Reclamation), eliberat\u0103 de procesele care ruleaz\u0103 \u00een medii bazate pe nucleul Linux. <\/p>\n

Anterior, \u00een cazul \u00een care consumul de memorie de c\u0103tre aplica\u021bii sau nucleu cre\u0219tea, memoria era alocat\u0103 ma\u0219inii virtuale WSL2, dar dup\u0103 aceea r\u0103m\u00e2nea blocat\u0103 \u0219i nu era returnat\u0103 sistemului, chiar \u0219i dup\u0103 ce un proces consumator de resurse se \u00eencheia \u0219i nu mai era necesar\u0103 memorie alocat\u0103. Mecanismul de Recuperare a Memoriei permite returnarea memoriei eliberate \u00een sistemul de operare principal \u0219i reducerea automat\u0103 a dimensiunii memoriei ma\u0219inii virtuale. Astfel, se returneaz\u0103 nu doar memoria eliberat\u0103 de procesele utilizatorului, ci \u0219i memoria folosit\u0103 pentru cache \u00een nucleul Linux. De exemplu, \u00een cazul unei activit\u0103\u021bi intense pe disc, dimensiunea cache-ului de pagin\u0103 cre\u0219te, unde con\u021binutul fi\u0219ierelor este stocat \u00een timp ce func\u021bioneaz\u0103 sistemul de fi\u0219iere. Dup\u0103 executarea «echo 1 > \\\/proc\\\/sys\\\/vm\\\/drop_caches», cache-ul poate fi \u0219ters \u0219i memoria returnat\u0103 \u00een sistemul de operare principal.<\/p>\n

Implementarea Memory Reclamation se bazeaz\u0103 pe
\nun patch<\/a><\/noindex>, propus de inginerii Intel pentru includerea \u00een nucleul principal Linux pentru a extinde capacit\u0103\u021bile driverului virtio-balloon \u0219i pentru sistemul de gestionare a memoriei. Patch-ul men\u021bionat este conceput pentru utilizarea \u00een orice sistem gazd\u0103 pentru returnarea paginilor de memorie neutilizate \u00een sistemul gazd\u0103 \u0219i poate fi utilizat cu diferite hypervizori. \u00cen cazul WSL2, patch-ul este adaptat pentru returnarea memoriei c\u0103tre hypervizorul Hyper-V.<\/p>\n

Reamintim c\u0103 a doua versiune WSL se distinge<\/a><\/noindex> a fost livrat\u0103 cu un nucleu Linux complet \u00een loc de un emulator, care traduce la cerere apelurile sistemului Linux \u00een apeluri sistem pentru Windows. Nucleul livrat \u00een WSL2, nucleul Linux<\/a><\/noindex> se bazeaz\u0103 pe versiunea 4.19, care ruleaz\u0103 \u00een mediu Windows utiliz\u00e2nd o ma\u0219in\u0103 virtual\u0103, deja utilizat\u0103 \u00een Azure. Actualiz\u0103rile pentru nucleul Linux sunt livrate prin intermediul mecanismului Windows Update \u0219i sunt testate \u00een infrastructura de integrare continu\u0103 Microsoft. Patch-urile specifice pentru WSL2 aplicate \u00een nucleu includ optimiz\u0103ri pentru reducerea timpului de pornire a nucleului, diminuarea consumului de memorie \u0219i men\u021binerea \u00een nucleu a setului minim necesar de drivere \u0219i subsisteme.<\/p>\n

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

Sursa: opennet.ro<\/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\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 a implementat \u00een WSL2 (Windows Subsystem for Linux) revenirea memoriei \u00een sistem | ProHoster","description":"Compania Microsoft a anun\u021bat extinderea capacit\u0103\u021bilor stratului 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