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Enhancement
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Resolution: Fixed
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P4
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9, 11, 17, 18
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b13
During initial mark, in G1ConcurrentMark::checkpointRootsInitialPre() G1 iterates over all regions to set the next tams pointer to top.
On heaps with many regions 20k+ this can take a while, as this phase is single-threaded.
On heaps with many regions 20k+ this can take a while, as this phase is single-threaded.
- relates to
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JDK-8273206 jdk/jfr/event/gc/collection/TestG1ParallelPhases.java fails after JDK-8159979
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- Resolved
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JDK-8227671 G1: assert_used_and_recalculate_used_equal performs work in product builds
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- Resolved
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JDK-8152948 More unaccounted other time on large machines
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- Closed
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