JDK-6387002 : Improve security check performance
  • Type: Enhancement
  • Component: security-libs
  • Sub-Component: java.security
  • Affected Version: 6
  • Priority: P3
  • Status: Resolved
  • Resolution: Won't Fix
  • OS: generic
  • CPU: generic
  • Submitted: 2006-02-16
  • Updated: 2024-04-12
  • Resolved: 2014-11-25
Related Reports
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JDK-6542529 - Subject.doAsPrivileged creates unnecessary empty array of ProtectionDomains each time invoked
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JDK-6379782 - Permissions effectively ignores latecomer UnresolvedPermissions
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JDK-6538997 - Thread.setContextClassLoader should use same RuntimePermission obj each time called when SM enabled
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JDK-6237270 - Should re-evaluate where to do reverse DNS lookups
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JDK-5021645 - Optimize PolicyFile.canonicalizeCodebase()
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JDK-5103737 - Optimize security manager handling of permissions granted to all domains
Description
Tomcat historically reported ~10-20% performance degradation with the SecurityManager installed.

Tomcat inside the Sun Application Server today unofficially reports a ~40% performance degradation via certain benchmarks.
Comments
Subsumed by JEP 232: https://bugs.openjdk.java.net/browse/JDK-8043631 All issues covered by this issue will be tracked by JEP 232 going forward.
25-11-2014
This is an enhancement, not a bug.
18-03-2014