![]() ![]() ![]() Defaults to ``, which disables writing heap dumps. Defaults to 250.Ĭonfigure the location for writing heap dumps in the event of an OutOfMemoryError exception. Defaults to 35% of the number of classes.Ĭonfigure the number of user threads at runtime. Defaults to 0.Ĭonfigure the number of classes that will be loaded at runtime. If a JRE type is requested but not available, a JDK will be provided.Ĭonfigure the percentage of headroom the memory calculator will allocated. a JDK or JRE - accepts values "JDK" or "JRE" (default). To determine the individual buildpack versions and dependency versions for each builder release use the pack inspect-builder functionality.Ĭonfigure the JVM type that is provided at runtime, i.e. Finally, some users will will consume builders like paketobuildpacks/builder:base who's releases can be found here. Few users will use this buildpack directly, instead consuming a language buildpack like paketo-buildpacks/java who's releases (and the individual buildpack versions and dependency versions for each release) can be found here. In order to hold the JDK and JRE versions stable, the buildpack version itself must be stable.īuildpack releases (and the dependency versions for each release) can be found here. Since the buildpack only ships a single version of each supported line, updates to the buildpack can change the exact version of the JDK or JRE. The buildpack will download JDK and JRE assets that are compatible with this version of the JVM specification. Contributes Heap Dump helper to a layer marked launchĬonfigure the JVM version (e.g.Contributes Memory Calculator to a layer marked launch.Disables JVM DNS caching if link-local DNS is available.Contributes $MALLOC_ARENA_MAX to the layer.Contributes -XX:StartFlightRecording=dumponexit=true,filename=/tmp/recording.jfr.If Java version is 8, address parameter is address=:8000 Contributes -agentlib:jdwp=transport=dt_socket,server=y,address=*:8000,suspend=n.Contributes -XX:+UnlockDiagnosticVMOptions, -XX:NativeMemoryTracking=summary & -XX:+PrintNMTStatistics to the layer (Java NMT). ![]() Contributes -XX:+ExitOnOutOfMemoryError to the layer. ![]()
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