JDK-8030157 : Serial G1 code root migration phase causes long pauses
- Type: Enhancement
- Component: hotspot
- Sub-Component: gc
- Affected Version: 8,9
- Priority: P4
- Status: Closed
- Resolution: Duplicate
- Submitted: 2013-12-14
- Updated: 2014-09-01
- Resolved: 2014-09-01
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| JDK 9 |
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9Resolved  |
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Description
In some benchmarks (e.g. CRM Fuse) with lots of code generation G1 shows a high "Code root migration" time in some GCs, taking 50%+ of pause time. The problem is that code root migration is executed serially at the moment, and if regions with lots of code roots are moved, this process takes amount of considerable time.
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