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  1. JDK
  2. JDK-8316929

Shenandoah: Shenandoah degenerated GC and full GC need to cleanup old OopMapCache entries

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    • b18

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      Description

        During STW root scan, interpreted frame's oop map may be cached. But due to limited cache size (32 entries per instance class), entries may be evicted to old entries list due to collision, should be cleanup in VM_Operation's doit_epilogue(), or risk leaking memory.

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            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8318542 Shenandoah: Shenandoah degenerated GC and full GC need to cleanup old OopMapCache entries

            • P3 - Major loss of function.
            • Resolved

            Backport - A issue that is required to port a Bug or Feature into another product release. This issue type is generally associated with the main Bug/Feature to represent each individual release of the port. JDK-8321848 Shenandoah: Shenandoah degenerated GC and full GC need to cleanup old OopMapCache entries

            • P3 - Major loss of function.
            • Resolved
            links to

            Commit Commit openjdk/jdk17u-dev/f8e54a91

            Commit Commit openjdk/jdk21u/55d0c790

            Commit Commit openjdk/jdk/e25121d1

            Review Review openjdk/jdk17u-dev/2037

            Review Review openjdk/jdk21u/256

            Review Review openjdk/jdk/15921

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                zgu Zhengyu Gu
                zgu Zhengyu Gu
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                  Updated:
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