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  1. JDK
  2. JDK-8044192 JEP 195: Scalable Native Memory Tracking
  3. JDK-8046598

Scalable Native Memory Tracking development

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Details

    • Sub-task
    • Status: Resolved
    • P2
    • Resolution: Fixed
    • 8u40, 9
    • 9
    • hotspot
    • None
    • b28

    Backports

      Description

        New implementation of native memory tracking that can scale well on large systems.

        Code Completion (End June 2014)

          - Complete new implementation.
          - Pass all NMT regression tests
          - Pass stress tests
          - Pass stability test (run kitchensink with NMT on for 14 days)
          - Pass hotspot runtime test suites


        Code Review (Mid August 2014)
          - Depends on when JEP is targeted, plan to complete code review by the end of July.

        Integration into JDK9 (Mid August 2014)
          - Depends on code review completion

        Integration into JDK8u40 (Early September 2014)
          - Two weeks after integration to JDK9 to allow adequate tests

        Attachments

          Issue Links

            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-8056372 Scalable Native Memory Tracking development

            • P2 - Crashes, loss of data, severe memory leak.
            • 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-8063419 Scalable Native Memory Tracking development

            • P2 - Crashes, loss of data, severe memory leak.
            • 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-8070687 Scalable Native Memory Tracking development

            • P2 - Crashes, loss of data, severe memory leak.
            • 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-8056290 Scalable Native Memory Tracking development

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

            Enhancement - null JDK-8042469 Launcher changes for native memory tracking scalability enhancement

            • P3 - Major loss of function.
            • Closed
            duplicates

            Bug - A problem which impairs or prevents the functions of the product. JDK-8046288 NMT tests failed with RuntimeException: '...' missing from stdout/stderr

            • P3 - Major loss of function.
            • Closed

            Bug - A problem which impairs or prevents the functions of the product. JDK-8054312 out of memory with NMT during nightly testing

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

            Enhancement - null JDK-8028541 Native Memory Tracking enhancement

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

            Bug - A problem which impairs or prevents the functions of the product. JDK-8261334 NMT: tuning statistic shows incorrect hash distribution

            • 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-8232355 Two obsolete flags have the wrong obsolete version in 8u

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

            Activity

              People

                zgu Zhengyu Gu
                zgu Zhengyu Gu
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                Dates

                  Created:
                  Updated:
                  Resolved: