JDK-8212177 : Epsilon alignment adjustments can overflow max TLAB size
  • Type: Bug
  • Component: hotspot
  • Sub-Component: gc
  • Affected Version: 11,12
  • Priority: P4
  • Status: Resolved
  • Resolution: Fixed
  • Submitted: 2018-10-15
  • Updated: 2019-09-04
  • Resolved: 2018-10-16
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JDK 11 JDK 12
11.0.2Fixed 12 b16Fixed
Related Reports
Relates :  
JDK-8212005 - Epsilon elastic TLAB sizing may cause misalignment
Description
Spotted by Per here:
 http://mail.openjdk.java.net/pipermail/hotspot-gc-dev/2018-October/023488.html
Comments
Fix Request Epsilon was delivered as JDK 11 feature. Having this fix improves its reliability with fine-tuned user configurations. Patch applies cleanly and passes gc/epsilon tests, including the regression test.
17-10-2018