阿里巴巴Dragonwell8 Extended发布说明 - Accelerator1996/dragonwell8 GitHub Wiki

Alibaba Dragonwell 8.20.21-GA

openjdk version "1.8.0_412"
OpenJDK Runtime Environment (Alibaba Dragonwell Extended Edition 8.19.20) (build 1.8.0_412-b01)
OpenJDK 64-Bit Server VM (Alibaba Dragonwell Extended Edition 8.19.20) (build 25.412-b01, mixed mode)

特性

test

  • xx5

misc

  • xx4

ci

misc

  • xx1
  • xx2
  • xx3

提交记录

summary cr
[Misc] Update version Issue#301
[Misc] Update version Issue#301
[EagerAppCDS] fix bug by clearing buffer before using Issue#646
[Misc] Update version Issue#301
[Backport] 8261354: SIGSEGV at MethodIteratorHost Issue#641

Alibaba Dragonwell 8.20.21-GA

特性

test

  • xx5

misc

  • xx3
  • xx4

ci

misc

  • x1
  • xx2

提交记录

summary cr
[Misc] Update version Issue#301
[Misc] Update version Issue#301
[EagerAppCDS] fix bug by clearing buffer before using Issue#646
[Misc] Update version Issue#301
[Backport] 8261354: SIGSEGV at MethodIteratorHost Issue#641

Alibaba Dragonwell 8.17.18-GA

openjdk version "1.8.0_382"
OpenJDK Runtime Environment (Alibaba Dragonwell Extended Edition 8.16.17) (build 1.8.0_382-b01)
OpenJDK 64-Bit Server VM (Alibaba Dragonwell Extended Edition 8.16.17) (build 25.382-b01, mixed mode)

特性

Misc

  • 更新版本号

GC

  • 我也不知道

GGG

二级标题

  • 就这样吧

提交记录

summary cr
[Misc] Update version Issue#301
Merge pull request #594 from kuaiwei/root_in_igvn CR#
8219804: java/net/MulticastSocket/Promiscuous.java fails intermittently due to NumberFormatException CR#

Alibaba Dragonwell 8.17.18-GA

openjdk version "1.8.0_382"
OpenJDK Runtime Environment (Alibaba Dragonwell Extended Edition 8.16.17) (build 1.8.0_382-b01)
OpenJDK 64-Bit Server VM (Alibaba Dragonwell Extended Edition 8.16.17) (build 25.382-b01, mixed mode)

特性

提交记录

summary cr
[Misc] Update version Issue#301
Merge pull request #594 from kuaiwei/root_in_igvn CR#
8219804: java/net/MulticastSocket/Promiscuous.java fails intermittently due to NumberFormatException CR#

Alibaba Dragonwell 8.16.17-GA

openjdk version "1.8.0_382"
OpenJDK Runtime Environment (Alibaba Dragonwell Extended Edition 8.16.17) (build 1.8.0_382-b01)
OpenJDK 64-Bit Server VM (Alibaba Dragonwell Extended Edition 8.16.17) (build 25.382-b01, mixed mode)

Feature

GC

  • 默认GC算法从CMS切换为PS

Misc

  • aarch64架构下默认ReservedCodeCacheSize从128m增大到240m，与其他架构相同

EagerAppCDS

  • 移植CDS和QuickStart框架到Dragonwell8上。
  • 修复了QuickStart框架代码在windows上导致编译失败的问题。
  • 增加了跳过boot classpath检查的JVM选项。
  • 修复了生成boot classpath过滤了zip文件的问题。

提交记录

summary cr
[Misc] Update version Issue#301
[EagerAppCDS] fix bugs related to EagerAppCDS Issue#571
[Misc] fix test TestDefaultCodeCacheSize failure Issue#579
[Misc] fix test TestNoMinidumpAtFullGC.java failure (#578) Issue#577
[Misc] fix testPrintYoungGenHisto.sh intermittently fail Issue#569
[Misc] Enlarge default ReservedCodeCacheSize in aarch64 from 128m to … (#568) Issue#567
[Misc] change default gc in aarch64 from CMS to PS Issue#561
[EagerAppCDS] 1. fix strlen usage 2. change the impl of bootclasspath check in cds Issue#559
[EagerAppCDS] fix bug 1.jstat stdout extra info 2.filter zip for bootcp Issue#557
[EagerAppCDS] Add EagerAppCDS Support for JDK8 Issue#552
[Misc] Add aarch64 build/test in acitons Issue#548

Alibaba Dragonwell 8.15.16-GA

openjdk version "1.8.0_372"
OpenJDK Runtime Environment (Alibaba Dragonwell Extended Edition 8.15.16) (build 1.8.0_372-b01)
OpenJDK 64-Bit Server VM (Alibaba Dragonwell Extended Edition 8.15.16) (build 25.372-b01, mixed mode)

特性

Runtime

  1. Wisp: 支持多个coroutine等待同一socket的读写事件，修复了okhttp场景下的bug。

提交记录

summary cr
[Misc] Update version Issue#301
[Wisp] Separate IO poller Issue#311
[Misc] Update dragonwell links to new org Issue#527

Alibaba Dragonwell 8.14.15-GA

openjdk version "1.8.0_362"
OpenJDK Runtime Environment (Alibaba Dragonwell Extended Edition 8.14.15) (build 1.8.0_362-b01)
OpenJDK 64-Bit Server VM (Alibaba Dragonwell Extended Edition 8.14.15) (build 25.362-b01, mixed mode)

特性

Runtime

  1. 增加了功能类似JAVA_TOOL_OPTIONS环境变量：DRAGONWELL_JAVA_TOOL_OPTIONS和DRAGONWELL_JAVA_TOOL_OPTIONS_JDK_ONLY，但是特定于Alibaba Dragonwell. DRAGONWELL_JAVA_TOOL_OPTIONS_JDK_ONLY如果设置为true的话,意味着DRAGONWELL_JAVA_TOOL_OPTIONS对于jdk自带的工具如jps,jmap,jstat等不起作用，但是其它java应用生效
  2. Wisp: 将 Socket.isConnected() 的行为和 OpenJDK ServerSocket.accept() 的行为保持一致。

JIT

  1. 增加了一个新的 VM 选项 'MemNodeLoopContinueThres' 用于解决 C2 中存在的死循环问题，默认值为 200。

aarch64

  1. 修复了一些由于弱内存模型导致的 JVM crash 问题。

提交记录

summary cr
[Misc] Update version Issue#301
[Misc] Adding barriers on JVM Issue#457
[JIT] Fix a deadloop in c2 compiler Issue#455
[Misc] Add vendor specific java tool options: DRAGONWELL_JAVA_TOOL_OPTIONS Issue#330
[Wisp] Keep aligning Socket.isConnected() with the normal OpenJDK returning result for ServerSocket.accept() Issue#437

Alibaba Dragonwell 8.13.14-GA

openjdk version "1.8.0_352"
OpenJDK Runtime Environment (Alibaba Dragonwell Extended Edition 8.13.14) (build 1.8.0_352-b01)
OpenJDK 64-Bit Server VM (Alibaba Dragonwell Extended Edition 8.13.14) (build 25.352-b01, mixed mode)

提交记录

summary cr
[Wisp] Keep aligning Socket.isConnected() with the normal OpenJDK returning result Issue#437
[Misc] fix TestPolicy.java and BuildEEBasicConstraints.java fail because of certificates expired Issue#433
[Misc] fix SplittableRandomTest.java intermittently timeout Issue#428
[Misc] Update version Issue#301
[Misc] fix TestParGCAllocatorLeak.sh run fail on ubuntu Issue#408
[Misc] disable wisp testcase YieldFewNanosTest.java temporarily Issue#378

Alibaba Dragonwell 8.12.13-GA

openjdk version "1.8.0_345"
OpenJDK Runtime Environment (Alibaba Dragonwell Extended Edition 8.12.13) (build 1.8.0_345-b01)
OpenJDK 64-Bit Server VM (Alibaba Dragonwell Extended Edition 8.12.13) (build 25.345-b01, mixed mode)

Release Notes

Summary Issue
[Misc] Update DRAGONWELL_VERSION to 8.12.13 Issue #301
[Misc] disable wisp testcase PreemptTest.java by problemlist temporarily Issue #388
[Misc] fix jwarmup/issue9780156.sh run fail on ubuntu Issue #383
[Misc] disable wisp testcase CarrierAsPollerTest.java ExecutionTest.java IoTest.java GlobalPollerTest.java Wisp2TimerRemoveTest.java temporarily by problemlist Issue #371
[Misc] disable wisp testcase YieldFewNanosTest.java temporarily Issue #378
[Misc] fix multi-tenant testcase TestHierachicalTenants.java and TestJGroup.java Issue #361
[Misc] fix testcase bug LookUpAllAddrsTest.sh Issue #375
[Misc] fix testcase bug Test8233197.sh Issue #373
[Misc] fix testcase bug TestClassLoaderLeak.java Issue #369
[Misc] fix testcase bug TestG1OldAllocationPendingStackTrace.java Issue #367
[Misc] fix testcase bug RcmCpuTest.java Issue #364
[Misc] disable wisp testcase Wisp2TimerRemoveTest.java temporarily Issue #360
[Misc] disable wisp testcase Wisp2TimerRemoveTest.java temporarily Issue #360
[Misc] fix testcase TestWispDetailCounter.java Issue #358
[Misc] Modify DISTRO_NAME Issue #351
[Misc] Fix windows build error Issue #330
[Misc] fix test VersionCheck.java Issue #343
[Misc] fix test TestPropertyContainerImpls.java fail Issue #337
[Misc] Dragonwell environment variables Issue #330
dragonwell_patches : 19
upstream_patches : 50
malformed_patches : 3
internal_patches : 0

Alibaba Dragonwell 8.11.12-GA

openjdk version "1.8.0_332"
OpenJDK Runtime Environment (Alibaba Dragonwell 8.11.12) (build 1.8.0_332-b01)
OpenJDK 64-Bit Server VM (Alibaba Dragonwell 8.11.12) (build 25.332-b01, mixed mode)

Features

GC

  • Fixed a C-heap memory leak issue related to OWSTTaskTerminator

Release Notes

Summary Issue
[Misc] Update dragonwell8 version Issue #323
[GC] Memory leak because OWSTTaskTerminator destructor not called Issue #319
[Misc] Polish Dragonwell action for monorepo Issue #301
dragonwell_patches : 3
upstream_patches : 10
malformed_patches : 0
internal_patches : 0

Alibaba Dragonwell 8.10.11-GA

openjdk version "1.8.0_322"
OpenJDK Runtime Environment (Alibaba Dragonwell 8.10.11) (build 1.8.0_322-b01)
OpenJDK 64-Bit Server VM (Alibaba Dragonwell 8.10.11) (build 25.322-b01, mixed mode)

Release Notes

Summary Issue
[Wisp] Fix PassTokenTest Issue #290
[GC] Fix unstable elastic-heap tests Issue #288
[Misc] Fix unstable rcm tests Issue #280
[Wisp] fix LoadClassInnerWispGuard and WispControlGroupCpuTest Issue #279
[JFR] A wrong parameter is passed to the constructor of LeakKlassWriter Issue #296
[JFR] Revert "[Backport] 8226511: Implement JFR Event Streaming" Issue #293
[JFR] Revert "[Backport] 8233700: EventStream not closed" Issue #293
[JFR] Revert "[Backport] 8234684: JFR crashes when rotating the JFR output during assertion failure" Issue #293
[JFR] Revert "[Backport] 8233111: Epoch shift synchronization point for Compiler threads" Issue #293
[JFR] Revert "[Backport] 8234059: Stress test fails with "Unexpected Exception in thread JFR Event Stream"" Issue #293
[JFR] Revert "[Backport] 8236263: Remove experimental streaming events" Issue #293
[JFR] Revert "[JFR] Fixed missing Threads_lock protection when traversing thread list" Issue #293
[JFR] Revert "[JFR] Crash in Monitor::set_owner_implementation on slow debug build" Issue #293
[JIT] trigger code cache sweep periodly Issue #285
[JIT] backport: flush OSR nmethods in code cache Issue #284
dragonwell_patches : 26
upstream_patches : 72
malformed_patches : 0
internal_patches : 0

Alibaba Dragonwell 8.9.10-GA

openjdk version "1.8.0_312"
OpenJDK Runtime Environment (Alibaba Dragonwell 8.9.10) (build 1.8.0_312-b01)
OpenJDK 64-Bit Server VM (Alibaba Dragonwell 8.9.10) (build 25.312-b01, mixed mode)

Release Notes

Summary Issue
[JFR] Fix object profiling stacktrace problem on aarch64 platform Issue #189
[Wisp] fix wisp block on Thread.exit() infinitely Issue #278
[Misc] Use anonymous classes to get RCM config Issue #276
[JFR] Deprecate public JFR Streaming API Issue #275
[Misc] Fix unstable VersionCheck test Issue #273
[Misc] System property isolation for RCM Issue #274
[Wisp] Exited coroutine should not be re-wakeuped Issue #262
[Misc] fix unstable coroutine tests Issue #273
dragonwell_patches : 9
upstream_patches : 138
malformed_patches : 1
internal_patches : 1

Alibaba Dragonwell 8.8.9-GA

openjdk version "1.8.0_302"
OpenJDK Runtime Environment (Alibaba Dragonwell 8.8.9) (build 1.8.0_302-b01)
OpenJDK 64-Bit Server VM (Alibaba Dragonwell 8.8.9) (build 25.302-b01, mixed mode)

Bug fix

  • [Wisp] #262 Fix scheduler's dead loop burning too much CPU

Alibaba Dragonwell 8.8.8-GA

openjdk version "1.8.0_302"
OpenJDK Runtime Environment (Alibaba Dragonwell 8.8.8) (build 1.8.0_302-b1)
OpenJDK 64-Bit Server VM (Alibaba Dragonwell 8.8.8) (build 25.302-b1, mixed mode)

Features

  • [Wisp] #256 Thread as Wisp whitelist

This feature could specify which thread to be converted to a coroutine

  • [RDMA] #246 support RDMA network using rsocket library

Support RdmaPollSelectorProvider as an optional NIO provider

  • [RCM] #237 Get active thread ids from root container

[Wisp] #213 Wisp async file IO support

Bug fix

  • [Wisp] #236 fix possible lost unpark

Base JDK

  • OpenJDK8u302-ga

Alibaba Dragonwell 8.7.7-GA

openjdk version "1.8.0_292"
OpenJDK Runtime Environment (Alibaba Dragonwell 8.7.7) (build 1.8.0_292-b1)
OpenJDK 64-Bit Server VM (Alibaba Dragonwell 8.7.7) (build 25.292-b1, mixed mode)

Features

  • #228 Include AARCH64 support in 8u292，revert AARCH64 changes in previous versions of Dragonwell8.
  • In this version temporarily Wisp does not support the AARCH64 platform.

Bug fix

Base JDK

  • OpenJDK8u292-ga

Alibaba Dragonwell 8.6.6-GA

openjdk version "1.8.0_282"
OpenJDK Runtime Environment (Alibaba Dragonwell 8.6.6) (build 1.8.0_282-b1)
OpenJDK 64-Bit Server VM (Alibaba Dragonwell 8.6.6) (build 25.282-b1, mixed mode)

Features

  • [Wisp] Revert ThreadMXBean support (we cannot get coroutine information from threadmxbean now)
  • [Wisp] #204 Stronger preempt
  • [RCM] #206 RCM MXbean support

Bug fix

  • [Wisp] #218 Fix Critical bug in coroutine stack dump which may lead to VM hang
  • [Wisp] Fix critical C1 Crash

Base JDK

  • OpenJDK8u282-ga

Alibaba Dragonwell 8.6.5-GA

openjdk version "1.8.0_282"
OpenJDK Runtime Environment (Alibaba Dragonwell 8.6.5) (build 1.8.0_282-b1)
OpenJDK 64-Bit Server VM (Alibaba Dragonwell 8.6.5) (build 25.282-b1, mixed mode)

Features

Base JDK

  • Upgraded to OpenJDK8u282-ga

Alibaba Dragonwell 8.5.5-FP1

openjdk version "1.8.0_275"
OpenJDK Runtime Environment (Alibaba Dragonwell 8.5.5) (build 1.8.0_275-b2)
OpenJDK 64-Bit Server VM (Alibaba Dragonwell 8.5.5) (build 25.275-b2, mixed mode)

Bug fixes

  • Issue 157 Proper unsupported notification in arm

Alibaba Dragonwell 8.5.5-GA

openjdk version "1.8.0_275"
OpenJDK Runtime Environment (Alibaba Dragonwell 8.5.5) (build 1.8.0_275-b1)
OpenJDK 64-Bit Server VM (Alibaba Dragonwell 8.5.5) (build 25.275-b1, mixed mode)

Features

Base JDK

  • Upgraded to OpenJDK8u275-ga

AArch64 support

  • AArch64 support
  • Supported features:
    • JWarmup
    • Elastic-Heap
  • Not yet supported features:
    • Wisp2
    • MultiTenant

GC optimizations

  • Issue 154 Backport JDK-8204524: Optimize memory barrier instructions in object copy in G1 and parNew (AArch64)
  • Issue 148 Backport JDK-8204947: Optimize work stealing of GC threads
  • Issue 146 Backport JDK-8205921: Optimize work stealing of GC threads
  • Issue 155 Backport 8164948: Add memory barrier instruction in G1 (AArch64)

Wisp

  • Issue 132 Support CPU Time-related ThreadMXBean interface in Wisp2
  • Issue 143 Support Wisp Coroutine Switch in blocking NIO mode
  • Issue 124 Fix wrong EOF behavior when using blocking mode socket API

Alibaba Dragonwell 8.4.4-GA

openjdk version "1.8.0_262"
OpenJDK Runtime Environment (Alibaba Dragonwell 8.4.4) (build 1.8.0_262-b10)
OpenJDK 64-Bit Server VM (Alibaba Dragonwell 8.4.4) (build 25.262-b10, mixed mode)

Features

Wisp

JFR

Base JDK

Bug fixes

Alibaba Dragonwell 8.3.3-GA

openjdk version "1.8.0_242"
OpenJDK Runtime Environment (Alibaba Dragonwell 8.3.3) (build 1.8.0_242-b98)
OpenJDK 64-Bit Server VM (Alibaba Dragonwell 8.3.3) (build 25.242-b98, mixed mode)

Features

MultiTenant

  • Issue 87, Issue 95 Added new resource control management (RCM) framework, in package com.alibaba.rcm
  • Issue 84, Issue 90, Issue 91 Ported MultiTenant framework from Alibaba internal AJDK to Alibaba Dragonwell JDK
    • Enable user application to control CPU and memory resource
    • Fundamental data isolation API

Base JDK

Bug fixes

  • Issue 79 Fixed GCC 7.4 compatibility issue
  • Issue 82 Fixed fastdebug build failure
  • Issue 80 Added github workflow to build and test for each pull request
  • Issue 85 Fixed make.sh not working with sh

Alibaba Dragonwell 8.2.2-GA

openjdk version "1.8.0_232"
OpenJDK Runtime Environment (Alibaba Dragonwell 8.2.2-b82) (build 1.8.0_232-b09)
OpenJDK 64-Bit Server VM (Alibaba Dragonwell 8.2.2-b82) (build 25.232-b09, mixed mode)

Features

JFR

  • Added object allocation profiling support in JFR and you can use -XX:FlightRecorderOptions=sampleobjectallocations=true to enable this feature, which allows to sample object allocation(instance or array) in C2 compiler and two new sampling JFR events, OptoInstanceObjectAllocation and OptoArrayObjectAllocation are added to trace object allocation once the target sample is hit, which is configured by objectallocationssamplinginterval option. The user can use JMC to analyze the hot path of object allocation. Please reference the user guide for more details.

Bug fixes

  • Issue 74 [JFR] Fix build issues caused by object allocation profiling on Windows/Mac
  • Issue 73 [Misc] Build fails after rebasing 8u232, fix it by porting 8202353 from upstream
  • Issue 72 [Misc] Update the cacerts file

Alibaba Dragonwell 8.1.1-GA

openjdk version "1.8.0_222"
OpenJDK Runtime Environment (Alibaba Dragonwell 8.1.1-b67) (build 1.8.0_222-b10)
OpenJDK 64-Bit Server VM (Alibaba Dragonwell 8.1.1-b67) (build 25.222-b10, mixed mode)

Bug fixes

  • Issue 54 Fix Windows/mac build issues from G1ElasticHeap
  • Issue 53 [JWarmUp] port JWarmUp to Mac os
  • Issue 52 Disable JFR support in windows/Mac build
  • Issue 51 [JWarmUp] support windows build
  • Issue 47 [Enhancement] rebase to OpenJDK 8u222-b10 (GA)
  • Issue 46 [GC] Port G1ElasticHeap to dragonwell
  • Issue 45 [Bug] Mini-heapdump might be the default mode when FGC happens

Features

G1ElasticHeap

  • Support dynamically returning memory with G1 to reduce Java memory footprint. To enable the feature, please use -XX:+G1ElasticHeap and find more details in user guide.

JWarmUp

  • Support invoking JWarmUp via jcmd
  • Usage: jcmd JWarmup [options]
  • where options include:
    • -notify: Notify JVM that application startup is done
    • -check: Check if the last compilation submitted by JWarmup is completed
    • -deopt: Notify JVM to de-optimize warmup methods
    • -help: Print help information

Multi-platform support

  • Windows/mac platform can compile normally
  • Provide experimental Alibaba Dragonwell JDK for Windows

Alibaba Dragonwell 8.0.0-GA

openjdk version "1.8.0_212"
OpenJDK Runtime Environment (Alibaba Dragonwell 8.0.0-b48) (build 1.8.0_212-b04)
OpenJDK 64-Bit Server VM (Alibaba Dragonwell 8.0.0-b48) (build 25.212-b

Alibaba Dragonwell

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