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  1. JDK
  2. JDK-8048271

Minor GC times doubled from JDK 6u35 to JDK 7u51

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    • Subcomponent:
      gc
    • Resolved In Build:
      b02

      Backports

        Description

        The increase in the minor GC times with jdk7 is due to the fact that in jdk7 Intern strings and Class-statics were moved to the Java Heap from the PermGen, and these Intern strings and Class-statics are also collected as part of the young generation collections. That causes increase in the minor collection pauses.

        There is a debug option 'JavaObjectsInPerm' which can be used to revert the above change and with this option enabled intern strings and class statics get allocated into the PermGen again.

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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-8060897 Minor GC times doubled from JDK 6u35 to JDK 7u51

            • 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-8057325 Minor GC times doubled from JDK 6u35 to JDK 7u51

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

            Enhancement - null JDK-8079128 ParNewGC times doubled from Java SE 6 to Java SE 9

            • P2 - Crashes, loss of data, severe memory leak.
            • Closed

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                Assignee:
                poonam Poonam Bajaj Parhar
                Reporter:
                shadowbug Shadow Bug
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                  Updated:
                  Resolved: