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  1. JDK
  2. JDK-8172890 JEP 307: Parallel Full GC for G1
  3. JDK-8189726

Release Note: JEP 307: Parallel Full GC for G1

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    • Subcomponent:
      gc
    • Verification:
      Verified

      Description

      Improves G1 worst-case latencies by making the full GC parallel. The G1 garbage collector is designed to avoid full collections, but when the concurrent collections can't reclaim memory fast enough a fall back full GC will occur. The old implementation of the full GC for G1 used a single threaded mark-sweep-compact algorithm. With JEP 307 the full GC has been parallelized and now use the same amount of parallel worker threads as the young and mixed collections.

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            Assignee:
            sjohanss Stefan Johansson
            Reporter:
            sjohanss Stefan Johansson
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