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  1. JDK
  2. JDK-8154528

Reclaim regions emptied by marking in Remark pause

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Details

    • Enhancement
    • Resolution: Fixed
    • P4
    • 11
    • 9
    • hotspot
    • gc
    • b11

    Description

      Currently we reclaim dead humongous objects (and in general completely empty regions) after the Cleanup pause. It may take a while from Remark to Cleanup.

      One option to speed up this process would be to reclaim empty regions in the Remark pause.

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          is blocked by

          Enhancement - null JDK-8178105 Switch mark bitmaps during Remark

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

          Enhancement - null JDK-8197573 Remove concurrent cleanup and secondary free list handling

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

          Enhancement - null JDK-8180415 Rebuild remembered sets during the concurrent cycle

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

          Enhancement - null JDK-8201172 Parallelize Remset Tracking Update Before Rebuild phase

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

          Enhancement - null JDK-8027959 Early reclamation of large objects in G1

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

          Enhancement - null JDK-8197850 Calculate liveness in regions during marking

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

          Enhancement - null JDK-8309538 G1: Move total collection increment from Cleanup to Remark

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

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              tschatzl Thomas Schatzl
              tschatzl Thomas Schatzl
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              Dates

                Created:
                Updated:
                Resolved: