JDK-8139706 : JarFile.getBytes could use InputStream.readNBytes
- Type: Bug
- Component: core-libs
- Sub-Component: java.util.jar
- Affected Version: 9
- Priority: P3
- Status: Resolved
- Resolution: Fixed
- OS: generic
- CPU: generic
- Submitted: 2015-10-15
- Updated: 2017-03-13
- Resolved: 2015-10-17
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| JDK 9 |
|---|
9 b89Fixed  |
Related Reports
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Relates :
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Description
A 2%-4% regression was measured with footprint3-server in JDK9-b86 on all platforms. JDK-8138978 removed sun.misc.IOUtils and left JarFile.getBytes using InputStream.readAllBytes, which is sub-optimal when the ZipEntry size is known. Using readNBytes might improve startup and early footprint characteristics.