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Type: Enhancement
Resolution: Fixed
Priority: P4
Fix Version/s: 17
Affects Version/s: 16
Component/s: hotspot
Labels:
- gc-pending-review

Subcomponent:
gc
Resolved In Build:
b23

The StringDedupTable contains direct weak oop references, so requires special code for walking during weak reference processing. It could instead use OopStorage. This would also involve moving the removal of dead entries to the concurrent phase in StringDedupThread, rather than being handled in pauses as currently done.

duplicates

JDK-8056997 Mitigate increase in pause time due to String deduplication

Closed

relates to

JDK-8277981 String Deduplication table is never cleaned up due to bad dead_factor_for_cleanup

Resolved

JDK-8267188 gc/stringdedup/TestStringDeduplicationInterned.java fails with Shenandoah

Resolved

JDK-8267185 Add string deduplication support to ParallelGC

Resolved

JDK-8267186 Add string deduplication support to ZGC

Resolved

JDK-8205579 StringDedupTable should use Access API

Closed

JDK-8267218 jdk/jfr/event/gc/collection/TestG1ParallelPhases.java fails with Not found phases\: StringDedupQueueFixup, StringDedupTableFixup

Resolved

JDK-8267133 jdk/jfr/event/gc/collection/TestG1ParallelPhases.java fails with Not expected phases: RestorePreservedMarks, RemoveSelfForwardingPtr: expected true, was false

Resolved

JDK-8309890 TestStringDeduplicationInterned.java waits for the wrong condition

Resolved

JDK-8272609 Add string deduplication support to SerialGC

Resolved

links to

Commit openjdk/jdk/be0a6552

Review openjdk/jdk/3662

(5 relates to, 2 links to)

Assignee:: Kim Barrett

Reporter:: Kim Barrett

Votes:: 0 Vote for this issue

Watchers:: 5 Start watching this issue

Created:: 2020-10-12 09:13

Updated:: 2025-08-22 05:28

Resolved:: 2021-05-14 11:39

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