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  1. JDK
  2. JDK-6672698

mangle_unused_area() should not remangle the entire heap at each collection.

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Details

    • Bug
    • Resolution: Fixed
    • P3
    • hs14
    • 7
    • hotspot
    • gc
    • b03
    • generic
    • generic

    Backports

      Description

        mangle_unused() writes a pattern into the unused part of the heap in debug mode.
        If the heap is large, this can cause excessively long GC's to the point
        that tests timeout.

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            backported by

            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-2172748 mangle_unused_area() should not remangle the entire heap at each collection.

            • 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-2177182 mangle_unused_area() should not remangle the entire heap at each collection.

            • P3 - Major loss of function.
            • Closed
            relates to

            Enhancement - null JDK-6672574 parallel gc can no longer afford to scribble on memory with a single thread

            • P4 - Minor loss of function, or other problem where easy workaround is present.
            • Closed

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                jmasa Jon Masamitsu (Inactive)
                jmasa Jon Masamitsu (Inactive)
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