July 21, 2021

Java state API would speed app startup

Java would be fitted with an API to save state, under a proposal floating in the OpenJDK community as a way to speed up startup times.

Proposed in an OpenJDK discussion group by Anton Kozlov, senior software engineer at Java software provider Azul, the CRaC (Coordinated Restore at Checkpoint) project would research a Java API for coordination between an application and runtime to save and restore state. According to the proposal, the Java runtime would support multiple ways to save the state: virtual machine snapshot, container snapshot, the CRIU (Checkpoint/Restore In Userspace) project on Linux, and other ways.

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