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  1. JDK
  2. JDK-8067469

G1 ignores AlwaysPreTouch

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    • gc
    • b45

    Backports

      Description

        JDK-8038423 introduced a G1 specific virtual space manager. It does not implement the AlwaysPreTouch feature, simply ignoring it.

        This causes some workload (e.g. Specjbb2005 with 120G heap) have a very long first full gc with large sys time.

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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-8078167 G1 ignores AlwaysPreTouch

            • 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-8079934 G1 ignores AlwaysPreTouch

            • 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-8083161 G1 ignores AlwaysPreTouch

            • 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-8086486 G1 ignores AlwaysPreTouch

            • 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-8137643 G1 ignores AlwaysPreTouch

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

            Enhancement - null JDK-8038423 G1: Decommit memory within the heap

            • P3 - Major loss of function.
            • Resolved

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                tschatzl Thomas Schatzl
                tschatzl Thomas Schatzl
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