JDK-8151846 : Record the number of live cards per region while creating live data
  • Type: Enhancement
  • Component: hotspot
  • Sub-Component: gc
  • Affected Version: 9
  • Priority: P3
  • Status: Closed
  • Resolution: Won't Fix
  • Submitted: 2016-03-14
  • Updated: 2018-03-28
  • Resolved: 2018-03-28
Related Reports
Blocks :  
JDK-8151386 - Extract card live data out of G1ConcurrentMark
Relates :  
JDK-8017163 - G1: Refactor remembered sets
Description
For JDK-8017163 we need the number of live cards per region in the liveness count data.

This allows better estimation of the size of remembered sets for fully coarsened from region remembered sets.

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Comments
JDK-8180415 removed the create live data phase (and remset scrubbing)
28-03-2018