JDK-8057037 : Verification in ClassLoaderData::is_alive is too slow
  • Type: Bug
  • Component: hotspot
  • Sub-Component: gc
  • Affected Version: 9
  • Priority: P4
  • Status: Resolved
  • Resolution: Fixed
  • Submitted: 2014-09-02
  • Updated: 2015-09-29
  • Resolved: 2014-09-03
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JDK 8 JDK 9
8u60Fixed 9 b31Fixed
Description
During the G1 Class Unloading project we added some extra verification code in ClassLoaderData::is_alive, as a way to catch class unloading bugs early. This verification code causes extremely long GC times in our testing.