De release van de CRIU 4.0-toolkit (Checkpoint and Restore In Userspace) is gepubliceerd, die is ontworpen voor het opslaan en herstellen van processen in de gebruikersruimte. De toolkit maakt het mogelijk om de toestand van een enkel proces of een groep processen op te slaan, en vervolgens te hervatten vanaf de opgeslagen positie, zelfs na een herstart van het systeem of op een andere server zonder bestaande netwerkverbindingen te verbreken. De code van het project is geschreven in C en wordt verspreid onder de GPLv2-licentie. CRIU wordt toegepast in containerbeheersystemen zoals OpenVZ, LXC\/LXD en Docker. De noodzakelijke aanpassingen voor de werking van CRIU zijn opgenomen in de hoofdversie van de Linux-kernel. <\/p>\n
Toepassingsgebieden van de CRIU-technologie omvatten het mogelijk maken van een OS-herstart zonder de continu\u00efteit van langdurig draaiende processen te verstoren, live migratie van ge\u00efsoleerde containers, het versnellen van de opstart van langzame processen (de werking kan worden gestart vanuit de toestand die is opgeslagen na de initiatie), het uitvoeren van kernel-upgrades zonder diensten opnieuw te starten, periodiek opslaan van de staat van langdurige rekenprocessen voor hervatting in geval van een crash, load balancing op knooppunten in clusters, dupliceren van processen naar een andere machine (fork naar een extern systeem), en het maken van snapshots van gebruikersapplicaties tijdens hun werking voor analyse op een ander systeem of voor het geval verdere acties in het programma moeten worden teruggedraaid. <\/p>\n
In de nieuwe release: <\/p>\n
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