This report shows bugs with the given label, along with their backporting status.
Fix Versions |
Bug |
Synopsis |
8 |
9 |
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JDK-8311843 |
GenShen: assertion failed "Old generation affiliated regions must be less than capacity" |
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JDK-8231366 |
Shenandoah: Shenandoah String Dedup thread is not properly initialized |
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JDK-8297796 |
GenShen: instrument the remembered set scan |
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JDK-8298597 |
HdrSeq: support for a merge() method |
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JDK-8311883 |
[Genshen] Adaptive tenuring threshold |
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JDK-8313574 |
GenShen: Completing a global mark should also complete an old mark |
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JDK-8315247 |
GenShen: Condition calls to post-write barrier code generation by a flag |
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JDK-8315872 |
GenShen: ShenandoahGenerationalHeap as a subclass of ShenandoahHeap |
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JDK-8324325 |
[Genshen] Normalize wrt AgeTable changes from JDK-8314329 |
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JDK-8335930 |
GenShen: Reserve regions within each generation's freeset until available is sufficient |
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JDK-8274546 |
Shenandoah: Remove unused ShenandoahUpdateRootsTask copy |
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JDK-8300644 |
Remove gc/shenandoah/jni/TestStringCriticalWithDedup.java |
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JDK-8307378 |
Allow collectors to provide specific values for GC notifications' actions |
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JDK-8325671 |
Shenandoah: Introduce a ShenandoahGenerationType and templatize certain marking closures with it |
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JDK-8334315 |
Shenandoah: reduce GC logging noise |
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JDK-8293650 |
Shenandoah: Support archived heap objects |
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JDK-8336915 |
Shenandoah: Remove unused ShenandoahVerifier::verify_after_evacuation |
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JDK-8252114 |
Windows-AArch64: Enable and test ZGC and ShenandoahGC |
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JDK-8282809 |
Shenandoah Generational: JBB 2015 crash on PPC64 product build |
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JDK-8282810 |
Shenandoah Generational: Improve load balancing of remembered set scanning |
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JDK-8282840 |
Shenandoah Generational: Relax enforcement of evacuation budgets |
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JDK-8282844 |
Shenandoah Generational: Investigate assertion failure during verification before mark |
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JDK-8282997 |
Shenandoah Generational: Mutator threads may fail to evacuate |
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JDK-8298647 |
GenShen require heap size 2MB granularity |
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JDK-8306024 |
GenShen: Disable failing Shenandoah tests and assertions while corrections are made |
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JDK-8306333 |
GenShen: Investigate gc/shenandoah/TestDynamicSoftMaxHeapSize.java#generational |
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JDK-8306334 |
Handle preemption of old cycle between filling and bootstrap phases |
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JDK-8306335 |
GenShen: Investigate gc/shenandoah/oom/TestThreadFailure.java |
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JDK-8306336 |
GenShen: Investigate gc/shenandoah/oom/TestClassLoaderLeak.java |
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JDK-8306337 |
GenShen: Investigate gc/shenandoah/mxbeans/TestChurnNotifications.java#generational |
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JDK-8306339 |
GenShen: Investigate gc/stress/gcold/TestGCOldWithShenandoah.java#generational |
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JDK-8309317 |
[Shenandoah] TestRetainObjects#no-tlab and TestSieveObjects#no-tlab time out on some machines |
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JDK-8309319 |
[GenShen] Assertion "used cannot exceed regions" with TestAllocObjects & TestDynamicSoftMaxHeapSize |
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JDK-8309320 |
[GenShen] Assertion "size must be multiple of card table size"" with TestElasticTLAB |
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JDK-8309321 |
[GenShen] Assertion "Cannot budget more than is available"" with TestGCOldWithShenandoah |
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JDK-8309322 |
[GenShen] TestAllocOutOfMemory#large failed |
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JDK-8309392 |
[GenShen] Review and correct copyright headers that may have been incorrectly updated |
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JDK-8309639 |
GenShen: Regression in LRU cache benchmark |
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JDK-8309693 |
Synchronize openjdk/shenandoah:master with changes made for PR |
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JDK-8309874 |
NMethod barriers may remain armed when regions are promoted in place |
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JDK-8310062 |
[Shenandoah] Incomplete SATB buffers may not be processed during degenerated young collection |
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JDK-8310574 |
GenShen: Should not update-references for in-place-promotions |
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JDK-8310680 |
GenShen: In-place region promotions may fail |
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JDK-8311599 |
GenShen: Missing card mark barrier when processing references |
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JDK-8311602 |
GenShen: Decouple generational mode heuristics |
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JDK-8312321 |
GenShen: Remembered set scan may encounter garbage objects |
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JDK-8312322 |
GenShen: Cancelled GCs may become stuck in self-cancellation loop |
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JDK-8312422 |
GenShen: In-place region promotion state may carry over when evacuation fails |
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JDK-8312610 |
GenShen: Old generation available is unintentionally restricted by mutator's available memory |
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JDK-8315875 |
GenShen: Remove heap mode check from ShenandoahInitLogger |
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JDK-8316755 |
GenShen: Serviceability needs to know about ShenandoahGenerationalHeap |
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JDK-8317534 |
GenShen: Remove unused code |
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JDK-8318570 |
GenShen: Only start old cycles if a young cycle is ready to run |
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JDK-8318619 |
GenShen: Add configurable threshold for young triggers to expedite old evacuations |
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JDK-8319671 |
GenShen: Old marking may encounter invalid pointers in SATB buffers |
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JDK-8319867 |
GenShen: Make old regions parsable at end of concurrent cycles |
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JDK-8319931 |
GenShen: Increase no progress threshold for TestThreadFailure |
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JDK-8320913 |
GenShen: Bootstrap 21u backports repo |
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JDK-8321605 |
GenShen: Old generation reference process is never reset |
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JDK-8321816 |
GenShen: Provide a minimum amount of time for an old collection to run |
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JDK-8321937 |
GenShen: Sync up 21u based repo |
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JDK-8321939 |
[GenShen] ShenandoahOldEvacRatioPercent=100 fails with divide-by-zero |
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JDK-8322219 |
GenShen: GHA for shenandoah repo should run all shenandoah jtreg tests |
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JDK-8322875 |
[GenShen] Unused/obsolete method parameter consumed_by_advance_promotion |
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JDK-8323023 |
GenShen: Region logging test fails intermittently |
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JDK-8324067 |
GenShen: Isolate regulator thread to generational mode |
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JDK-8324173 |
GenShen: Fix error that could cause young gcs to fail when old marking is running |
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JDK-8328220 |
GenShen: Move generational mode operational parameters out of ShenandoahHeap |
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JDK-8328626 |
GenShen: Combine old generation surplus/deficit fields into a single balance field |
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JDK-8329342 |
GenShen: Synchronize shenandoah-jdk21u:master with shenandoah:master |
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JDK-8329699 |
GenShen: Move promotion logic out of shHeap and shHeapRegion |
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JDK-8330414 |
GenShen: Class unloading requires old regions be made parseable |
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JDK-8331609 |
GenShen: Refactor generational mode allocations |
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JDK-8332081 |
GenShen: Disentangle generational mode update references |
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JDK-8332094 |
GenShen: Reuse existing code to verify usage before rebuilding free set |
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JDK-8332095 |
GenShen: Move more generational mode members out of shHeap |
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JDK-8332254 |
GenShen: Remove obsolete comments and revert unnecessary formatting changes |
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JDK-8332330 |
Shenandoah: Change jcheck configuration for fix version to match project repo |
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JDK-8332331 |
Shenandoah: Change jcheck configuration for fix version to match project repo |
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JDK-8332548 |
GenShen: Factor generational mode out of gc helpers |
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JDK-8332824 |
GenShen: Temporarily revert recent changes to GC helpers |
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JDK-8332913 |
GenShen: Restore shared update refs iterator |
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JDK-8333109 |
GenShen: Factor generational mode out of gc helpers (redo) |
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JDK-8333457 |
GenShen: Move remembered set into new generational code |
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JDK-8333750 |
GenShen: Only instantiate young/old generations in generational mode |
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JDK-8333825 |
GenShen: Revert/Remove ShenandoahMaxEvacLABRatio |
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JDK-8333930 |
GenShen: Check for cancellation of old mark after final mark |
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JDK-8334491 |
GenShen: Revert changes to Shenandoah defaults |
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JDK-8334681 |
GenShen: Do not use gtest skip test feature |
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JDK-8335289 |
GenShen: Whitebox breakpoint GC requests may cause assertions |
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JDK-8335347 |
GenShen: Revert change that has adaptive heuristic ignore abbreviated cycles |
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JDK-8335932 |
GenShen: Fix old heuristic unit test |
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JDK-8336106 |
Genshen: Fix use of missing API in Shenandoah Old Heuristic test |
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JDK-8337242 |
GenShen: Remove unnecessary copyright changes |
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JDK-8338336 |
GenShen: Cleanup stale TODOs |
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JDK-8338341 |
GenShen: Cleanup headers, unreachable code and unintentional changes |
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JDK-8338420 |
GenShen: Forward declare card table for Shenandoah barrier set |
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JDK-8338473 |
GenShen: Cleanup access levels, whitespace, typos and unused code |
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JDK-8338477 |
GenShen: Cleanup generational heap |
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JDK-8338479 |
GenShen: Detemplatize ShenandoahScanRemembered |
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JDK-8338528 |
GenShen: Cleanup shenandoahHeapRegion |
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JDK-8338695 |
GenShen: Clean up jtreg tests |
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JDK-8338717 |
GenShen: Fix up some assertions |
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JDK-8338763 |
GenShen: Global GC should not swap remembered sets for the verifier |
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JDK-8338779 |
GenShen: Prefer log_develop_debug in performance critical code |
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JDK-8338780 |
GenShen: Fix up some comments |
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JDK-8338881 |
GenShen: Use explicit third temp register for post barrier |
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JDK-8339094 |
Shenandoah: Fix up test output from ShenandoahNumberSeqTest |
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JDK-8339127 |
GenShen: Restore completed mark context assertion during class unloading |
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JDK-8339197 |
GenShen: Adding Generation and Evacuation Information JFR Logging |
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JDK-8339346 |
GenShen: Remove even more stale TODOs |
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JDK-8277212 |
GC accidentally cleans valid megamorphic vtable inline caches |
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JDK-8335126 |
Shenandoah: Improve OOM handling |
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JDK-8275226 |
Shenandoah: Relax memory constraint for worker claiming tasks/ranges |
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JDK-8277654 |
Shenandoah: Don't produce new memory state in C2 LRB runtime call |
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JDK-8309953 |
Strengthen and optimize oopDesc age methods |
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JDK-8310110 |
Shenandoah: Trace page sizes |
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JDK-8311978 |
Shenandoah: Create abstraction over heap metrics for heuristics |
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JDK-8310388 |
Shenandoah: Auxiliary bitmap is not madvised for THP |
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JDK-8316632 |
Shenandoah: Raise OOME when gc threshold is exceeded |
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JDK-8320969 |
Shenandoah: Enforce stable number of GC workers |
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JDK-8322954 |
Shenandoah: Convert evac-update closures asserts to rich asserts |
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JDK-8322815 |
Eliminate -Wparentheses warnings in shenandoah code |
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JDK-8323627 |
Shenandoah: Refactor init logger |
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JDK-8323629 |
Shenandoah: Fix missing include and declaration |
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JDK-8324334 |
Shenandoah: Improve end of process report |
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JDK-8324553 |
Shenandoah: Move periodic tasks closer to their collaborators |
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JDK-8324981 |
Shenandoah: Move commit and soft max heap changed methods into heap |
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JDK-8325516 |
Shenandoah: Move heap change tracking into ShenandoahHeap |
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JDK-8325517 |
Shenandoah: Reduce unnecessary includes from shenandoahControlThread.cpp |
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JDK-8325574 |
Shenandoah: Simplify and enhance reporting of requested GCs |
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JDK-8332255 |
Shenandoah: Remove duplicate definition of init mark closure |
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JDK-8332082 |
Shenandoah: Use consistent tests to determine when pre-write barrier is active |
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JDK-8333105 |
Shenandoah: Results of concurrent mark may be lost for degenerated cycle |
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JDK-8333926 |
Shenandoah: Lower default immediate garbage threshold |
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JDK-8334147 |
Shenandoah: Avoid taking lock for disabled free set logging |
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JDK-8335356 |
Shenandoah: Improve concurrent cleanup locking |
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❉
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JDK-8333728 |
ubsan: shenandoahFreeSet.cpp:1347:24: runtime error: division by zero |
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JDK-8336640 |
Shenandoah: Parallel worker use in parallel_heap_region_iterate |
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JDK-8337213 |
Shenandoah: Add verification for class mirrors |
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JDK-8338202 |
Shenandoah: Improve handshake closure labels |
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JDK-8336742 |
Shenandoah: Add more verbose logging/stats for mark termination attempts |
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❉
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JDK-8336914 |
Shenandoah: Missing verification steps after JDK-8255765 |
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JDK-8338444 |
Shenandoah: Remove ShenandoahHumongousThreshold tunable |
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❉
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JDK-8337981 |
ShenandoahHeap::is_in should check for alive regions |
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❉
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JDK-8338662 |
Shenandoah: Remove excessive ShenandoahVerifier::verify_during_evacuation |
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❉
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JDK-8314329 |
AgeTable: add is_clear() & allocation spec, and relax assert to allow use of 0-index slot |
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JDK-8235324 |
Dying objects are published from users of CollectedHeap::object_iterate |
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JDK-8235669 |
G1: Stack walking API can expose AS_NO_KEEPALIVE oops |
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JDK-8242216 |
ObjectSampler::weak_oops_do() should not trigger barrier |
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JDK-8247736 |
Shenandoah: assert(_nm->is_alive()) failed: only alive nmethods here |
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JDK-8248725 |
Shenandoah: Claim verifier thread roots for parallel processing |
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JDK-8249230 |
Shenandoah: assertion failure with -XX:-ResizeTLAB |
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JDK-8280885 |
Shenandoah: Some tests failed with "EA: missing allocation reference path" |
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JDK-8245240 |
Shenandoah: support nesting evacuation OOM scope |
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JDK-8256036 |
Shenandoah: MethodHandles adapters section overflows after JDK-8255762 |
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JDK-8256039 |
Shenandoah: runtime/stringtable/StringTableCleaningTest.java fails |
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JDK-8273559 |
Shenandoah: Shenandoah should support multi-threaded heap dump |
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JDK-8316929 |
Shenandoah: Shenandoah degenerated GC and full GC need to cleanup old OopMapCache entries |
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JDK-8333088 |
ubsan: shenandoahAdaptiveHeuristics.cpp:245:44: runtime error: division by zero |
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JDK-8235598 |
Shenandoah: Update copyrights |
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JDK-8241067 |
Shenandoah: improve ShenandoahNMethod::has_cset_oops arguments |
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JDK-8242370 |
Enable JFR TestGCPhaseConcurrent test for Shenandoah |
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JDK-8243478 |
Shenandoah: avoid implicit worker_id = 0 |
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JDK-8244243 |
Shenandoah: Cleanup Shenandoah phase timing tracking and JFR event supporting |
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JDK-8245083 |
[REDO] Shenandoah: Remove null-handling in LRB expansion |
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JDK-8245720 |
Shenandoah: improve configuration logging |
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JDK-8245827 |
Shenandoah: Cleanup Shenandoah code root iterators and root scanner |
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JDK-8245955 |
Shenandoah: Remove LRB/is_redundant optimization |
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JDK-8246342 |
Shenandoah: remove unused ShenandoahIsMarkedNextClosure |
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JDK-8246612 |
Shenandoah: add timing tracking to ShenandoahStringDedupRoots |
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JDK-8247845 |
Shenandoah: refactor TLAB/GCLAB retirement code |
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JDK-8248634 |
Shenandoah: incorrect include in shenandoahInitLogger.cpp |
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JDK-8248799 |
Shenandoah: Claim threads token in constructor of ShenandoahRootVerifier |
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JDK-8249877 |
Shenandoah: Report number of dead weak oops during STW weak roots |
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JDK-8249884 |
Shenandoah: Call report_num_dead() from ShParallelWeakRootsCleaningTask destructor |
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JDK-8251527 |
CTW: C2 (Shenandoah) compilation fails with SEGV due to unhandled catchproj == NULL |
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JDK-8252695 |
Shenandoah: clean up Graal enabled/disabled filter in tests |
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JDK-8253361 |
Shenandoah: runtime barrier does not honor ShenandoahSelfFixing flag |
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JDK-8255036 |
Shenandoah: Reset GC state for root verifier |
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JDK-8255614 |
Shenandoah: Consolidate/streamline runtime LRBs |
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JDK-8256278 |
Shenandoah: Avoid num of dead callback from weak processor in Shenandoah root verifier |
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JDK-8255984 |
Shenandoah: "adaptive" heuristic is prone to missing load spikes |
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JDK-8258244 |
Shenandoah: Not expecting forwarded object in roots during mark after JDK-8240868 |
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JDK-8258490 |
Shenandoah: Full GC does not need to remark threads and drain SATB buffers |
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JDK-8260048 |
Shenandoah: ShenandoahMarkingContext asserts are unnecessary |
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JDK-8260212 |
Shenandoah: resolve-only UpdateRefsMode is not used |
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JDK-8260106 |
Shenandoah: refactor reference updating closures and related code |
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JDK-8260408 |
Shenandoah: adjust inline hints after JDK-8255019 |
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JDK-8260309 |
Shenandoah: Clean up ShenandoahBarrierSet |
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JDK-8261493 |
Shenandoah: reconsider bitmap access memory ordering |
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JDK-8261500 |
Shenandoah: reconsider region live data memory ordering |
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JDK-8261503 |
Shenandoah: reconsider verifier memory ordering |
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JDK-8261504 |
Shenandoah: reconsider ShenandoahJavaThreadsIterator::claim memory ordering |
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JDK-8261501 |
Shenandoah: reconsider heap statistics memory ordering |
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JDK-8261842 |
Shenandoah: cleanup ShenandoahHeapRegionSet |
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JDK-8261838 |
Shenandoah: reconsider heap region iterators memory ordering |
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JDK-8263041 |
Shenandoah: Cleanup C1 keep alive barrier check |
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JDK-8264727 |
Shenandoah: Remove extraneous whitespace from phase timings report |
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JDK-8266083 |
Shenandoah: Consolidate dedup/no dedup oop closures |
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JDK-8266185 |
Shenandoah: Fix incorrect comment/assertion messages |
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JDK-8266845 |
Shenandoah: Simplify SBS::load_reference_barrier implementation |
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JDK-8267257 |
Shenandoah: Always deduplicate strings when it is enabled during full gc |
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JDK-8267875 |
Shenandoah: Duplicated code in ShenandoahBarrierSetC2::ideal_node() |
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JDK-8261495 |
Shenandoah: reconsider update references memory ordering |
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JDK-8270094 |
Shenandoah: Provide human-readable labels for test configurations |
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JDK-8270171 |
Shenandoah: Cleanup TestStringDedup and TestStringDedupStress tests |
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JDK-8270110 |
Shenandoah: Add test for JDK-8269661 |
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JDK-8266519 |
Cleanup resolve() leftovers from BarrierSet et al |
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JDK-8273378 |
Shenandoah: Remove the remaining uses of os::is_MP |
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JDK-8278826 |
Print error if Shenandoah flags are empty (instead of crashing) |
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JDK-8297309 |
Memory leak in ShenandoahFullGC |
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JDK-8300053 |
Shenandoah: Handle more GCCauses in ShenandoahControlThread::request_gc |
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JDK-8311656 |
Shenandoah: Unused ShenandoahSATBAndRemarkThreadsClosure::_claim_token |
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JDK-8314935 |
Shenandoah: Unable to throw OOME on back-to-back Full GCs |
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JDK-8317535 |
Shenandoah: Remove unused code |
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JDK-8320877 |
Shenandoah: Remove ShenandoahUnloadClassesFrequency support |
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JDK-8320888 |
Shenandoah: Enable ShenandoahVerifyOptoBarriers in debug builds |
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JDK-8320907 |
Shenandoah: Remove ShenandoahSelfFixing flag |
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JDK-8321120 |
Shenandoah: Remove ShenandoahElasticTLAB flag |
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JDK-8321122 |
Shenandoah: Remove ShenandoahLoopOptsAfterExpansion flag |
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JDK-8321410 |
Shenandoah: Remove ShenandoahSuspendibleWorkers flag |
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JDK-8325807 |
Shenandoah: Refactor full gc in preparation for generational mode changes |
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JDK-8332256 |
Shenandoah: Do not visit heap threads during shutdown |
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JDK-8332257 |
Shenandoah: Move evacuation methods to implementation file |
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JDK-8331572 |
Allow using OopMapCache outside of STW GC phases |
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JDK-8331411 |
Shenandoah: Reconsider spinning duration in ShenandoahLock |
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JDK-8336944 |
Shenandoah: Should only relativize stack chunks for successful evacuations |
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JDK-8336685 |
Shenandoah: Remove experimental incremental update mode |
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JDK-8335865 |
Shenandoah: Improve THP pretouch after JDK-8315923 |
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JDK-8258251 |
Move PtrQueue behaviors to PtrQueueSet subclasses |
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JDK-8331405 |
Shenandoah: Optimize ShenandoahLock with TTAS |