JDK-8242524 : Use different default CDS archives depending on UseCompressOops
- Type: Enhancement
- Component: hotspot
- Sub-Component: runtime
- Affected Version: 15
- Priority: P4
- Status: Resolved
- Resolution: Fixed
- Submitted: 2020-04-11
- Updated: 2020-05-27
- Resolved: 2020-05-14
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| JDK 15 |
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15 b24Fixed  |
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Description
Since JDK-8232069, CDS can support -XX:-UseCompressedOops. However, there's only a single default CDS archive inside a JDK image, so you must choose whether to enable UseCompressedOops for the default archive when creating a JDK image. We should make it possible to use two default CDS archives: $JAVA_HOME/lib/server/classes.jsa $JAVA_HOME/lib/server/classes_nocoops.jsa If -XX:-UseCompressedOops is specified, we load from the _nocoops.jsa file instead.
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