JDK-8244778 : Archive full module graph in CDS
- Type: Enhancement
- Component: hotspot
- Sub-Component: runtime
- Affected Version: 15
- Priority: P3
- Status: Resolved
- Resolution: Fixed
- Submitted: 2020-05-12
- Updated: 2021-02-18
- Resolved: 2020-09-13
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| JDK 16 |
|---|
16 b16Fixed  |
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Description
If CDS dump time and runtime have the same modules settings, e.g., we have the same values for the following options between dump time and runtime:
--module-path
--upgrade-module-path
--add-modules
--limit-modules
--add-exports
--add-reads
--patch-module
(or, as a simplified case, none of the above options were given in dump time or run time), we can re-use the module graph computed at dump time. I.e., the bootLayer returned by ModuleBootstrap::boot():
http://hg.openjdk.java.net/jdk/jdk/file/1cfd2ca0b769/src/java.base/share/classes/jdk/internal/module/ModuleBootstrap.java#l461
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