{"id":183922,"date":"2026-10-21T17:40:28","date_gmt":"2026-10-21T15:40:28","guid":{"rendered":"https:\/\/prohoster.info\/blog\/news\/vypusk-criu-4-3-sistemy-dlya-sohraneniya-i-vosstanovleniya-sostoyaniya-proczessov-v-linux"},"modified":"2026-10-21T17:40:33","modified_gmt":"2026-10-21T15:40:33","slug":"criu-4-3-released-a-system-for-saving-and-restoring-process-state-in-linux","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pl\/blog\/news\/criu-4-3-released-a-system-for-saving-and-restoring-process-state-in-linux","title":{"rendered":"Wydanie CRIU 4.3, systemu do zapisywania i przywracania stanu proces\u00f3w w Linux","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Po 11 miesi\u0105cach prac opublikowano wersj\u0119 narz\u0119dzia CRIU 4.3 (Checkpoint and Restore In Userspace), przeznaczonego do zapisywania i przywracania proces\u00f3w w przestrzeni u\u017cytkownika. Narz\u0119dzie umo\u017cliwia zapisanie stanu jednego lub grupy proces\u00f3w, a nast\u0119pnie wznowienie pracy z zapisan\u0105 pozycj\u0105, nawet po ponownym uruchomieniu systemu lub na innym serwerze bez przerywania ju\u017c nawi\u0105zanych po\u0142\u0105cze\u0144 sieciowych. Kod projektu napisany jest w j\u0119zyku C i rozpowszechniany jest na licencji GPLv2. CRIU jest stosowane w systemach zarz\u0105dzania kontenerami, takich jak OpenVZ, LXC\/LXD i Docker. Wymagane zmiany do dzia\u0142ania CRIU s\u0105 zawarte w j\u0105drze Linux.<\/p>\n<p>Z obszar\u00f3w zastosowania technologii CRIU mo\u017cna wymieni\u0107 zapewnienie ponownego uruchomienia systemu operacyjnego bez zak\u0142\u00f3cania ci\u0105g\u0142o\u015bci wykonania d\u0142ugoterminowych proces\u00f3w, migracj\u0119 na \u017cywo izolowanych kontener\u00f3w, przyspieszenie uruchamiania wolnych proces\u00f3w (mo\u017cna rozpocz\u0105\u0107 prac\u0119 od stanu zapisanego po inicjalizacji), przeprowadzanie aktualizacji j\u0105dra bez restartu us\u0142ug, okresowe zapisywanie stanu d\u0142ugoterminowych zada\u0144 obliczeniowych w celu wznowienia pracy w przypadku awaryjnego zako\u0144czenia, r\u00f3wnowa\u017cenie obci\u0105\u017cenia w w\u0119z\u0142ach klastr\u00f3w, duplikowanie proces\u00f3w na inny komputer (fork do zdalnego systemu), tworzenie zrzut\u00f3w aplikacji u\u017cytkowych w trakcie pracy w celu ich analizy w innym systemie lub na wypadek, gdyby konieczne by\u0142o anulowanie dalszych dzia\u0142a\u0144 w programie. <\/p>\n<p>W nowym wydaniu:<\/p>\n<ul>\n<li class=\"l\"> Zrealizowano mo\u017cliwo\u015b\u0107 kompresji blok\u00f3w i stron pami\u0119ci z wykorzystaniem algorytmu LZ4 oraz wielow\u0105tkowego dekompresowania.\n<li class=\"l\"> Zwi\u0119kszona wydajno\u015b\u0107 dzi\u0119ki zastosowaniu asynchronicznego wej\u015bcia\/wyj\u015bcia (AIO) podczas przywracania stron VMA (Virtual Memory Area), nowej metody zatrzymywania zada\u0144 bez u\u017cycia sprz\u0119towych punkt\u00f3w zatrzymywania oraz r\u00f3wnoleg\u0142emu przywracaniu memfd i anonimowej pami\u0119ci wsp\u00f3\u0142dzielonej.\n<li class=\"l\"> Dodano wsparcie dla rozszerzenia ARM64 GCS (Guarded Control Stack), kt\u00f3re zapewnia sprz\u0119tow\u0105 ochron\u0119 adres\u00f3w powrotu z funkcji. Po przekazaniu kontroli funkcji, adresy powrotu s\u0105 zapisywane przez procesor nie tylko w zwyk\u0142ym stosie, ale tak\u017ce w oddzielnym stosie ukrytym, kt\u00f3ry nie mo\u017ce by\u0107 zmieniany bezpo\u015brednio. Przed wyj\u015bciem z funkcji adres powrotu jest pobierany z ukrytego stosu i por\u00f3wnywany z adresem powrotu ze stosu g\u0142\u00f3wnego.\n<li class=\"l\"> Dodano backend do zapisywania stanu API sterownika NVIDIA CUDA.\n<li class=\"l\"> Zapewniono przywracanie mapowania GPU.\n<li class=\"l\"> Dla sterownika amdgpu zrealizowano zapis i przywracanie stanu bufor\u00f3w subsystemu DRM (Direct Rendering Manager) oraz deskryptor\u00f3w plik\u00f3w DMA-BUF.\n<li class=\"l\"> Dodano komendy do kompresji i dekompresji obraz\u00f3w pami\u0119ci w trybie offline.\n<li class=\"l\"> Dodano wsparcie dla zapisywania i przywracania informacji o powi\u0105zaniach identyfikator\u00f3w UID z gniazdami sieciowymi.\n<li class=\"l\"> Dodano opcj\u0119 &#171;&#8212;image-io-mode&#187; do zapisu i odczytu obraz\u00f3w stron pami\u0119ci w trybie O_DIRECT (z pomini\u0119ciem podr\u0119cznego cache'u).\n<\/ul>\n<p>\u0179r\u00f3d\u0142o: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=66509\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0441\u043b\u0435 11 \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 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u044f CRIU 4.3 (Checkpoint and Restore In Userspace), \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u043d\u043e\u0433\u043e \u0434\u043b\u044f \u0441\u043e\u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u0438 \u0432\u043e\u0441\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0432 \u0432 \u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u0441\u0442\u0432\u0435 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f. \u0418\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0439 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0441\u043e\u0445\u0440\u0430\u043d\u0438\u0442\u044c \u0441\u043e\u0441\u0442\u043e\u044f\u043d\u0438\u0435 \u043e\u0434\u043d\u043e\u0433\u043e \u0438\u043b\u0438 \u0433\u0440\u0443\u043f\u043f\u044b \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0432, \u0430 \u0437\u0430\u0442\u0435\u043c \u0432\u043e\u0437\u043e\u0431\u043d\u043e\u0432\u0438\u0442\u044c \u0440\u0430\u0431\u043e\u0442\u0443 \u0441 \u0441\u043e\u0445\u0440\u0430\u043d\u0451\u043d\u043d\u043e\u0439 \u043f\u043e\u0437\u0438\u0446\u0438\u0438, \u0432 \u0442\u043e\u043c \u0447\u0438\u0441\u043b\u0435 \u043f\u043e\u0441\u043b\u0435 \u043f\u0435\u0440\u0435\u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0438 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u0438\u043b\u0438 \u043d\u0430 \u0434\u0440\u0443\u0433\u043e\u043c \u0441\u0435\u0440\u0432\u0435\u0440\u0435 \u0431\u0435\u0437 \u0440\u0430\u0437\u0440\u044b\u0432\u0430 \u0443\u0436\u0435 \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d\u043d\u044b\u0445 \u0441\u0435\u0442\u0435\u0432\u044b\u0445 \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0439. \u041a\u043e\u0434 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":10,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-183922","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 11 \u043c\u0435\u0441\u044f\u0446\u0435\u0432 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