JDK-8046598 : Scalable Native Memory Tracking development
  • Type: Sub-task
  • Component: hotspot
  • Sub-Component: runtime
  • Affected Version: 8u40,9
  • Priority: P2
  • Status: Resolved
  • Resolution: Fixed
  • Submitted: 2014-06-11
  • Updated: 2021-02-08
  • Resolved: 2014-08-11
The Version table provides details related to the release that this issue/RFE will be addressed.

Unresolved : Release in which this issue/RFE will be addressed.
Resolved: Release in which this issue/RFE has been resolved.
Fixed : Release in which this issue/RFE has been fixed. The release containing this fix may be available for download as an Early Access Release or a General Availability Release.

To download the current JDK release, click here.
JDK 8 JDK 9
8u40Fixed 9 b28Fixed
Related Reports
Blocks :  
JDK-8042469 - Launcher changes for native memory tracking scalability enhancement
Duplicate :  
JDK-8046288 - NMT tests failed with RuntimeException: '...' missing from stdout/stderr
Duplicate :  
JDK-8028541 - Native Memory Tracking enhancement
Duplicate :  
JDK-8054312 - out of memory with NMT during nightly testing
Relates :  
JDK-8232355 - Two obsolete flags have the wrong obsolete version in 8u
Relates :  
JDK-8261334 - NMT: tuning statistic shows incorrect hash distribution
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