In a world where microservices are becoming more of a standard architecture for Java-based applications running in the cloud, the JVM warmup time can become a limitation.

There is a new OpenJDK project called CRaC (Coordinated Restore at Checkpoint) which goal it is to address the JVM warmup problem with a different approach. The idea is to take a snapshot of the running JVM, store it in files and restore the JVM at a later point in time (or even on another machine).

In this presentation, we will give you a short overview of the CRaC project and shows some results from a proof of concept implementation.


Pratik Patel is a Java Champion and developer advocate at Azul Systems. He wrote the first book on 'enterprise Java' in 1996, "Java Database Programming with JDBC." An all around software and hardware enthusiast with experience in the healthcare, telecom, financial services, and startup sectors. Helps to organize the Atlanta Java User Group, frequent speaker at tech events, and master builder of nachos.