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  1. JDK
  2. JDK-8226366

Excessive ServiceThread wakeups for OopStorage cleanup

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    • gc
    • b28

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      Description

        Instrumenting the ServiceThread's OopStorage cleanup handling, we see the thread spins or gets woken up a lot during ordinary operation (not stress tests or the like). There shouldn't be that much to do, so we're likely wasting CPU cycles.

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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-8227193 Excessive ServiceThread wakeups for OopStorage cleanup

            • 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-8228066 Excessive ServiceThread wakeups for OopStorage cleanup

            • 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-8228282 Excessive ServiceThread wakeups for OopStorage cleanup

            • P3 - Major loss of function.
            • Resolved
            blocks

            Enhancement - null JDK-8226794 OopStorage concurrent iteration always requests cleanup

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

            Enhancement - null JDK-8226796 Reduce debug level logging for oopstorage+blocks

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

            Bug - A problem which impairs or prevents the functions of the product. JDK-8224847 gc/stress/TestReclaimStringsLeaksMemory.java fails with reserved greater than expected

            • P3 - Major loss of function.
            • Resolved

            Bug - A problem which impairs or prevents the functions of the product. JDK-8227053 ServiceThread cleanup of OopStorage is missing some

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

            Enhancement - null JDK-8227054 ServiceThread needs to know about all OopStorage objects

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

            Bug - A problem which impairs or prevents the functions of the product. JDK-8231612 100% cpu on arm32 in Service Thread

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

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                kbarrett Kim Barrett
                kbarrett Kim Barrett
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                  Created:
                  Updated:
                  Resolved: