Package io.quarkus.deployment

Interface SnapStartConfig

@ConfigMapping(prefix="quarkus.snapstart")
@ConfigRoot(phase=BUILD_TIME)
public interface SnapStartConfig

SnapStart

Configure the various optimization to use SnapStart

Method Summary

Modifier and Type	Method	Description
Optional<Boolean>	enable()	Enable/Disable SnapStart integration
boolean	fullWarmup()	Start the full application during the snapshotting process.
boolean	generateApplicationClassList()	When SnapStart is enabled, it generates the application class list, so it can be preloaded.
boolean	initializeClasses()	if preloading classes, specify whether to do static initialization when preloading these classes.
boolean	preloadClasses()	Will do a classpath search for all META-INF/quarkus-preload-classes.txt files These files contain fully qualified classnames that should be loaded in the SnapStart/CRaC beforeCheckpoint() phase.

Method Details

enable

Optional<Boolean> enable()

Enable/Disable SnapStart integration

Default value is dependent on extensions deployed (i.e. when using AWS Lambda extensions, this will be set to true by default)

preloadClasses

@WithDefault("true")
boolean preloadClasses()

Will do a classpath search for all META-INF/quarkus-preload-classes.txt files These files contain fully qualified classnames that should be loaded in the SnapStart/CRaC beforeCheckpoint() phase.

initializeClasses

@WithDefault("true")
boolean initializeClasses()

if preloading classes, specify whether to do static initialization when preloading these classes.

fullWarmup

@WithDefault("true")
boolean fullWarmup()

Start the full application during the snapshotting process. In other words, when enabled, it performs Application.start() within SnapStart/CRaC beforeCheckpoint() phase.

generateApplicationClassList

@WithDefault("true")
boolean generateApplicationClassList()

When SnapStart is enabled, it generates the application class list, so it can be preloaded. Only used if preloadClasses() is set to true.