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  1. JDK
  2. JDK-8297639

Remove preventive GCs in G1

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    • gc
    • b02

    Description

      After obsoleting it in JDK20, remove the functionality for the next release (i.e. JDK 21). No good application for it has been found, and investing more time in fixing it seems too much work for too little gain.

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          Bug - A problem which impairs or prevents the functions of the product. JDK-8304802 After JDK-8297639 the flag G1UsePreventiveGC needs to be added to the obsoletion table

          • P5 - Cosmetic problem like misspelt words or misaligned text.
          • Resolved

          Enhancement - null JDK-8288484 Unexpected marking cycles and full gcs in SPECjbb2015

          • P3 - Major loss of function.
          • Closed

          Enhancement - null JDK-8272980 Only trigger preventive collections when there is reason that it will help

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

          Enhancement - null JDK-8290738 Improve predictions for preventive GC

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

          Enhancement - null JDK-8293861 G1: Disable preventive GCs by default

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

          Commit Commit openjdk/jdk/8ff2928a

          Review Review openjdk/jdk/11654

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              tschatzl Thomas Schatzl
              tschatzl Thomas Schatzl
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                Updated:
                Resolved: