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  1. JDK
  2. JDK-8306331

assert((cnt > 0.0f) && (prob > 0.0f)) failed: Bad frequency assignment in if

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    • b21

      Stress test fails on macos-aarch64 with following assertion:
      #
      # A fatal error has been detected by the Java Runtime Environment:
      #
      # Internal Error (/System/Volumes/Data/mesos/work_dir/slaves/741e9afd-8c02-45c3-b2e2-9db1450d0832-S51573/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/159b6237-164a-4e8d-a87f-f88590cdae30/runs/904b9cec-69cc-4bc7-a2ab-7d271c913c2d/workspace/open/src/hotspot/share/opto/parse2.cpp:1263), pid=53696, tid=31235
      # assert((cnt > 0.0f) && (prob > 0.0f)) failed: Bad frequency assignment in if
      #
      # JRE version: Java(TM) SE Runtime Environment (21.0) (fastdebug build 21-internal-LTS-2023-04-14-2311181.mikael.vidstedt.jdk)
      # Java VM: Java HotSpot(TM) 64-Bit Server VM (fastdebug 21-internal-LTS-2023-04-14-2311181.mikael.vidstedt.jdk, mixed mode, sharing, tiered, compressed oops, compressed class ptrs, g1 gc, bsd-aarch64)
      # Core dump will be written. Default location: core.53696
      #
      # JFR recording file will be written. Location: /System/Volumes/Data/mesos/work_dir/slaves/741e9afd-8c02-45c3-b2e2-9db1450d0832-S51570/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/8fa68a2f-160a-484c-b2b3-b77677871c79/runs/0c72859c-a20c-4951-abed-001d8b9ce7af/testoutput/test-support/jtreg_closed_test_hotspot_jtreg_applications_kitchensink_Kitchensink8H_java/scratch/0/hs_err_pid53696.jfr
      #
      # If you would like to submit a bug report, please visit:
      # https://bugreport.java.com/bugreport/crash.jsp
      #

      --------------- S U M M A R Y ------------

      Command Line: -Xbootclasspath/a:/System/Volumes/Data/mesos/work_dir/slaves/741e9afd-8c02-45c3-b2e2-9db1450d0832-S51570/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/8fa68a2f-160a-484c-b2b3-b77677871c79/runs/0c72859c-a20c-4951-abed-001d8b9ce7af/testoutput/test-support/jtreg_closed_test_hotspot_jtreg_applications_kitchensink_Kitchensink8H_java/scratch/0/wb.jar -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI -Djava.security.manager=allow -XX:MaxRAMPercentage=6.25 -Dtest.boot.jdk=/System/Volumes/Data/mesos/work_dir/jib-master/install/jdk/19/36/bundles/macos-aarch64/jdk-19_macos-aarch64_bin.tar.gz/jdk-19.jdk/Contents/Home -Djava.io.tmpdir=/System/Volumes/Data/mesos/work_dir/slaves/741e9afd-8c02-45c3-b2e2-9db1450d0832-S51570/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/8fa68a2f-160a-484c-b2b3-b77677871c79/runs/0c72859c-a20c-4951-abed-001d8b9ce7af/testoutput/test-support/jtreg_closed_test_hotspot_jtreg_applications_kitchensink_Kitchensink8H_java/tmp -XX:MaxRAMPercentage=50 -XX:MaxMetaspaceSize=512m -XX:+HeapDumpOnOutOfMemoryError -XX:+CrashOnOutOfMemoryError -Djava.net.preferIPv6Addresses=false -XX:+DisplayVMOutputToStderr -Xlog:gc*,gc+heap=debug:gc.log:uptime,timemillis,level,tags -XX:+DisableExplicitGC -XX:+StartAttachListener --enable-preview --add-exports=java.base/java.lang=ALL-UNNAMED --add-opens=java.base/java.lang=ALL-UNNAMED --add-exports=java.base/jdk.internal.org.objectweb.asm=ALL-UNNAMED --add-exports=java.xml/com.sun.org.apache.xerces.internal.parsers=ALL-UNNAMED --add-exports=java.xml/com.sun.org.apache.xerces.internal.util=ALL-UNNAMED -Djava.io.tmpdir=/System/Volumes/Data/mesos/work_dir/slaves/741e9afd-8c02-45c3-b2e2-9db1450d0832-S51570/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/8fa68a2f-160a-484c-b2b3-b77677871c79/runs/0c72859c-a20c-4951-abed-001d8b9ce7af/testoutput/test-support/jtreg_closed_test_hotspot_jtreg_applications_kitchensink_Kitchensink8H_java/scratch/0/java.io.tmpdir -Duser.home=/System/Volumes/Data/mesos/work_dir/slaves/741e9afd-8c02-45c3-b2e2-9db1450d0832-S51570/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/8fa68a2f-160a-484c-b2b3-b77677871c79/runs/0c72859c-a20c-4951-abed-001d8b9ce7af/testoutput/test-support/jtreg_closed_test_hotspot_jtreg_applications_kitchensink_Kitchensink8H_java/scratch/0/user.home -agentpath:/System/Volumes/Data/mesos/work_dir/jib-master/install/2023-04-14-2311181.mikael.vidstedt.jdk/macosx-aarch64-debug.test/hotspot/jtreg/native/libJvmtiStressModule.dylib -XX:NativeMemoryTracking=detail -Djdk.test.lib.random.seed=3881510280439331251 applications.kitchensink.process.stress.Main /System/Volumes/Data/mesos/work_dir/slaves/741e9afd-8c02-45c3-b2e2-9db1450d0832-S51570/frameworks/1735e8a2-a1db-478c-8104-60c8b0af87dd-0196/executors/8fa68a2f-160a-484c-b2b3-b77677871c79/runs/0c72859c-a20c-4951-abed-001d8b9ce7af/testoutput/test-support/jtreg_closed_test_hotspot_jtreg_applications_kitchensink_Kitchensink8H_java/scratch/0/kitchensink.final.properties

      Host: "Mac14,3" arm64, 8 cores, 16G, Darwin 22.3.0, macOS 13.2.1 (22D68)
      Time: Tue Apr 18 05:54:54 2023 GMT elapsed time: 27686.480167 seconds (0d 7h 41m 26s)

      --------------- T H R E A D ---------------

      Current thread (0x000000013d00de10): JavaThread "C2 CompilerThread0" daemon [_thread_in_native, id=31235, stack(0x0000000170cc4000,0x0000000170ec7000)]


      Current CompileTask:
      C2:27686480 5257314 % 4 spec.benchmarks.xml.transform.BaseOutputStream::write @ 3 (36 bytes)

      Stack: [0x0000000170cc4000,0x0000000170ec7000], sp=0x0000000170ec4680, free space=2049k
      Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
      V [libjvm.dylib+0x102d678] VMError::report_and_die(int, char const*, char const*, char*, Thread*, unsigned char*, void*, void*, char const*, int, unsigned long)+0x564 (parse2.cpp:1263)
      V [libjvm.dylib+0x102de94] VMError::report_and_die(Thread*, char const*, int, unsigned long, VMErrorType, char const*, char*)+0x0
      V [libjvm.dylib+0x523198] print_error_for_unit_test(char const*, char const*, char*)+0x0
      V [libjvm.dylib+0xd90170] Parse::branch_prediction(float&, BoolTest::mask, int, Node*)+0x0
      V [libjvm.dylib+0xd90198] Parse::branch_prediction(float&, BoolTest::mask, int, Node*)+0x28
      V [libjvm.dylib+0xd90ef4] Parse::do_if(BoolTest::mask, Node*)+0x7c
      V [libjvm.dylib+0xd9437c] Parse::do_one_bytecode()+0x1c50
      V [libjvm.dylib+0xd848e0] Parse::do_one_block()+0x428
      V [libjvm.dylib+0xd82a34] Parse::do_all_blocks()+0x474
      V [libjvm.dylib+0xd7f450] Parse::Parse(JVMState*, ciMethod*, float)+0x9d4
      V [libjvm.dylib+0x379aa4] ParseGenerator::generate(JVMState*)+0x120
      V [libjvm.dylib+0x493d3c] Compile::Compile(ciEnv*, ciMethod*, int, Options, DirectiveSet*)+0xd3c
      V [libjvm.dylib+0x3781d8] C2Compiler::compile_method(ciEnv*, ciMethod*, int, bool, DirectiveSet*)+0x188
      V [libjvm.dylib+0x4b097c] CompileBroker::invoke_compiler_on_method(CompileTask*)+0x6e4
      V [libjvm.dylib+0x4aff40] CompileBroker::compiler_thread_loop()+0x2bc
      V [libjvm.dylib+0x846384] JavaThread::thread_main_inner()+0x18c
      V [libjvm.dylib+0xf8124c] Thread::call_run()+0xf4
      V [libjvm.dylib+0xd51e24] thread_native_entry(Thread*)+0x120
      C [libsystem_pthread.dylib+0x706c] _pthread_start+0x94

      --------------- P R O C E S S ---------------

      uid : 502 euid : 502 gid : 10668 egid : 10668

      umask: 0022 (----w--w-)

      Threads class SMR info:
      _java_thread_list=0x00006000278b4950, length=54, elements={
      0x000000014e808210, 0x000000014e889610, 0x000000014e88ce10, 0x000000014e88da10,
      0x000000013d009810, 0x000000013d00a410, 0x000000013d00d210, 0x000000013d00de10,
      0x000000014d00e010, 0x000000014e887610, 0x000000014e887e10, 0x000000014d0d7810,
      0x000000014d0cb010, 0x000000014d0d6210, 0x000000014d181210, 0x000000014d181a10,
      0x000000013d0aa610, 0x000000013d0a9610, 0x000000013d0aae10, 0x000000014d81e210,
      0x000000014d8cd010, 0x000000013d0a9e10, 0x000000013d0ab610, 0x000000014d183a10,
      0x000000014d184210, 0x000000014d184a10, 0x000000013d0ac210, 0x000000013d0aca10,
      0x000000013d0ad610, 0x000000013d0ae210, 0x000000014d187410, 0x0000000126809a10,
      0x000000012d823810, 0x000000013d00c810, 0x000000014d941e10, 0x0000000126841610,
      0x000000012d032010, 0x000000014d340210, 0x000000014d715c10, 0x000000012d55ca10,
      0x0000000139871210, 0x0000000139998010, 0x000000013f61aa10, 0x0000000138407a10,
      0x0000000126d8ac10, 0x000000012db62a10, 0x0000000138511e10, 0x000000013f32ba10,
      0x000000012684c610, 0x00000001397dd610, 0x000000012db74410, 0x00000001268ec010,
      0x000000013f614a10, 0x000000012dad2610
      }
      _java_thread_list_alloc_cnt=239723, _java_thread_list_free_cnt=239721, _java_thread_list_max=75, _nested_thread_list_max=1
      _tlh_cnt=78635749, _tlh_times=2552406, avg_tlh_time=0.03, _tlh_time_max=7687
      _deleted_thread_cnt=119834, _deleted_thread_times=45997, avg_deleted_thread_time=0.38, _deleted_thread_time_max=1759
      _delete_lock_wait_cnt=0, _delete_lock_wait_max=8
      _to_delete_list_cnt=0, _to_delete_list_max=3

      Java Threads: ( => current thread )
        0x000000014e808210 JavaThread "main" [_thread_blocked, id=5379, stack(0x000000016f19c000,0x000000016f39f000)]
        0x000000014e889610 JavaThread "Reference Handler" daemon [_thread_blocked, id=21763, stack(0x000000017007c000,0x000000017027f000)]
        0x000000014e88ce10 JavaThread "Finalizer" daemon [_thread_blocked, id=22019, stack(0x0000000170288000,0x000000017048b000)]
        0x000000014e88da10 JavaThread "Signal Dispatcher" daemon [_thread_blocked, id=22531, stack(0x0000000170494000,0x0000000170697000)]
        0x000000013d009810 JavaThread "Attach Listener" daemon [_thread_blocked, id=32003, stack(0x00000001706a0000,0x00000001708a3000)]
        0x000000013d00a410 JavaThread "Service Thread" daemon [_thread_blocked, id=23043, stack(0x00000001708ac000,0x0000000170aaf000)]
        0x000000013d00d210 JavaThread "Monitor Deflation Thread" daemon [_thread_blocked, id=31491, stack(0x0000000170ab8000,0x0000000170cbb000)]
      =>0x000000013d00de10 JavaThread "C2 CompilerThread0" daemon [_thread_in_native, id=31235, stack(0x0000000170cc4000,0x0000000170ec7000)]
        0x000000014d00e010 JavaThread "C1 CompilerThread0" daemon [_thread_blocked, id=23555, stack(0x0000000170ed0000,0x00000001710d3000)]
        0x000000014e887610 JavaThread "Common-Cleaner" daemon [_thread_blocked, id=30467, stack(0x00000001710dc000,0x00000001712df000)]
        0x000000014e887e10 JavaThread "Notification Thread" daemon [_thread_blocked, id=30211, stack(0x00000001712e8000,0x00000001714eb000)]
        0x000000014d0d7810 JavaThread "ModuleShudownListenerThread" daemon [_thread_in_native, id=28675, stack(0x000000017190c000,0x0000000171b0f000)]
        0x000000014d0cb010 JavaThread "AllocatorStressModule" [_thread_in_Java, id=24323, stack(0x0000000171b18000,0x0000000171d1b000)]
        0x000000014d0d6210 JavaThread "ExceptionStressModule" [_thread_in_vm, id=28163, stack(0x0000000171d24000,0x0000000171f27000)]
        0x000000014d181210 JavaThread "JcmdStressModule" [_thread_blocked, id=27907, stack(0x0000000171f30000,0x0000000172133000)]
        0x000000014d181a10 JavaThread "JfrStressModule" [_thread_blocked, id=24835, stack(0x000000017213c000,0x000000017233f000)]
        0x000000013d0aa610 JavaThread "JniStressModule" [_thread_in_native, id=25347, stack(0x0000000172348000,0x000000017254b000)]
        0x000000013d0a9610 JavaThread "JstatStressModule" [_thread_blocked, id=27395, stack(0x0000000172554000,0x0000000172757000)]
        0x000000013d0aae10 JavaThread "JvmtiStressModule" [_thread_blocked, id=25859, stack(0x0000000172760000,0x0000000172963000)]
        0x000000014d81e210 JavaThread "InflaterStressModule" [_thread_in_native, id=26115, stack(0x000000017296c000,0x0000000172b6f000)]
        0x000000014d8cd010 JavaThread "LockDeflationStressModule" [_thread_blocked, id=26371, stack(0x0000000172b78000,0x0000000172d7b000)]
        0x000000013d0a9e10 JavaThread "MBeanStressModule" [_thread_blocked, id=43267, stack(0x0000000172d84000,0x0000000172f87000)]
        0x000000013d0ab610 JavaThread "MemAccessStressModule" [_thread_in_native, id=33027, stack(0x0000000172f90000,0x0000000173193000)]
        0x000000014d183a10 JavaThread "MonitorStressModule" [_thread_blocked, id=42755, stack(0x000000017319c000,0x000000017339f000)]
        0x000000014d184210 JavaThread "NMTStressModule" [_thread_blocked, id=33795, stack(0x00000001733a8000,0x00000001735ab000)]
        0x000000014d184a10 JavaThread "PerfmonStressModule" [_thread_blocked, id=42243, stack(0x00000001735b4000,0x00000001737b7000)]
        0x000000013d0ac210 JavaThread "ReferenceStressModule" [_thread_blocked, id=34307, stack(0x00000001737c0000,0x00000001739c3000)]
        0x000000013d0aca10 JavaThread "SpecJbb2005StressModule" [_thread_blocked, id=34563, stack(0x00000001739cc000,0x0000000173bcf000)]
        0x000000013d0ad610 JavaThread "SpecJvm2008BatchStressModule" [_thread_blocked, id=35075, stack(0x0000000173bd8000,0x0000000173ddb000)]
        0x000000013d0ae210 JavaThread "ThreadDumperStressModule" [_thread_blocked, id=41731, stack(0x0000000173de4000,0x0000000173fe7000)]
        0x000000014d187410 JavaThread "Jvmti-AgentSampler" daemon [_thread_in_native, id=41475, stack(0x0000000173ff0000,0x00000001741f3000)]
        0x0000000126809a10 JavaThread "pool-1-thread-1" [_thread_blocked, id=39171, stack(0x000000017525c000,0x000000017545f000)]
        0x000000012d823810 JavaThread "pool-1-thread-2" [_thread_blocked, id=38915, stack(0x0000000175468000,0x000000017566b000)]
        0x000000013d00c810 JavaThread "pool-1-thread-3" [_thread_blocked, id=38403, stack(0x0000000175674000,0x0000000175877000)]
        0x000000014d941e10 JavaThread "pool-1-thread-4" [_thread_blocked, id=65283, stack(0x0000000175880000,0x0000000175a83000)]
        0x0000000126841610 JavaThread "JFR Recorder Thread" daemon [_thread_in_native, id=63491, stack(0x00000001762bc000,0x00000001764bf000)]
        0x000000012d032010 JavaThread "VirtualThread-unparker" daemon [_thread_blocked, id=61699, stack(0x0000000177734000,0x0000000177937000)]
        0x000000014d340210 JavaThread "JFR Periodic Tasks" daemon [_thread_blocked, id=61187, stack(0x0000000177940000,0x0000000177b43000)]
        0x000000014d715c10 JavaThread "Java2D Disposer" daemon [_thread_blocked, id=59411, stack(0x0000000171700000,0x0000000171903000)]
        0x000000012d55ca10 JavaThread "JFR Event Stream 19" [_thread_blocked, id=50287, stack(0x0000000291688000,0x000000029188b000)]
        0x0000000139871210 JavaThread "Thread-67551" [_thread_blocked, id=45627, stack(0x0000000175c98000,0x0000000175e9b000)]
        0x0000000139998010 JavaThread "Thread-67552" [_thread_blocked, id=58679, stack(0x0000000175ea4000,0x00000001760a7000)]
        0x000000013f61aa10 JavaThread "Program Runner for xml.transform" [_thread_blocked, id=45391, stack(0x00000001741fc000,0x00000001743ff000)]
        0x0000000138407a10 JavaThread "BenchmarkThread xml.transform 1" [_thread_in_vm, id=48931, stack(0x0000000176cf8000,0x0000000176efb000)]
        0x0000000126d8ac10 JavaThread "BenchmarkThread xml.transform 2" [_thread_in_Java, id=63239, stack(0x0000000176f04000,0x0000000177107000)]
        0x000000012db62a10 JavaThread "pool-184-thread-1" [_thread_blocked, id=56771, stack(0x00000001768e0000,0x0000000176ae3000)]
        0x0000000138511e10 JavaThread "ForkJoinPool-1-worker-729" daemon [_thread_blocked, id=62991, stack(0x0000000176aec000,0x0000000176cef000)]
        0x000000013f32ba10 JavaThread "ForkJoinPool-1-worker-730" daemon [_thread_in_Java, id=28951, stack(0x0000000177110000,0x0000000177313000)]
        0x000000012684c610 JavaThread "ForkJoinPool-1-worker-731" daemon [_thread_in_vm, id=49339, stack(0x000000017731c000,0x000000017751f000)]
        0x00000001397dd610 JavaThread "ForkJoinPool-1-worker-732" daemon [_thread_blocked, id=53203, stack(0x0000000177528000,0x000000017772b000)]
        0x000000012db74410 JavaThread "ForkJoinPool-1-worker-733" daemon [_thread_blocked, id=46499, stack(0x0000000177b4c000,0x0000000177d4f000)]
        0x00000001268ec010 JavaThread "ForkJoinPool-1-worker-734" daemon [_thread_in_Java, id=62127, stack(0x0000000290004000,0x0000000290207000)]
        0x000000013f614a10 JavaThread "ForkJoinPool-1-worker-735" daemon [_thread_in_vm, id=57095, stack(0x0000000290210000,0x0000000290413000)]
        0x000000012dad2610 JavaThread "ForkJoinPool-1-worker-736" daemon [_thread_in_vm, id=46975, stack(0x000000029041c000,0x000000029061f000)]

      Other Threads:
        0x000000014e10f510 VMThread "VM Thread" [stack: 0x000000016fde4000,0x000000016ffe7000] [id=19715]
        0x000000014e115190 WatcherThread "VM Periodic Task Thread" [stack: 0x00000001714f4000,0x00000001716f7000] [id=29699]
        0x000000014e106e10 WorkerThread "GC Thread#0" [stack: 0x000000016f3a8000,0x000000016f5ab000] [id=12803]
        0x000000014e00e8b0 WorkerThread "GC Thread#1" [stack: 0x0000000174408000,0x000000017460b000] [id=36099]
        0x000000014e00edb0 WorkerThread "GC Thread#2" [stack: 0x0000000174614000,0x0000000174817000] [id=36355]
        0x000000014e123f50 WorkerThread "GC Thread#3" [stack: 0x0000000174820000,0x0000000174a23000] [id=36611]
        0x000000014e124560 WorkerThread "GC Thread#4" [stack: 0x0000000174a2c000,0x0000000174c2f000] [id=40195]
        0x000000014e124b70 WorkerThread "GC Thread#5" [stack: 0x0000000174c38000,0x0000000174e3b000] [id=39683]
        0x000000014e125180 WorkerThread "GC Thread#6" [stack: 0x0000000174e44000,0x0000000175047000] [id=37379]
        0x000000014e125790 WorkerThread "GC Thread#7" [stack: 0x0000000175050000,0x0000000175253000] [id=39427]
        0x000000014e107670 ConcurrentGCThread "G1 Main Marker" [stack: 0x000000016f5b4000,0x000000016f7b7000] [id=13315]
        0x000000014e107c90 WorkerThread "G1 Conc#0" [stack: 0x000000016f7c0000,0x000000016f9c3000] [id=13827]
        0x000000014e1284d0 WorkerThread "G1 Conc#1" [stack: 0x0000000175a8c000,0x0000000175c8f000] [id=64771]
        0x000000014e109d20 ConcurrentGCThread "G1 Refine#0" [stack: 0x000000016f9cc000,0x000000016fbcf000] [id=16387]
        0x000000013ce27b00 ConcurrentGCThread "G1 Refine#1" [stack: 0x00000001760b0000,0x00000001762b3000] [id=49687]
        0x000000013d882b30 ConcurrentGCThread "G1 Refine#2" [stack: 0x00000001764c8000,0x00000001766cb000] [id=41007]
        0x000000013ce60110 ConcurrentGCThread "G1 Refine#3" [stack: 0x0000000290e58000,0x000000029105b000] [id=52563]
        0x000000013cffda10 ConcurrentGCThread "G1 Refine#4" [stack: 0x0000000291064000,0x0000000291267000] [id=63803]
        0x000000013ce6e270 ConcurrentGCThread "G1 Refine#5" [stack: 0x00000001766d4000,0x00000001768d7000] [id=44099]
        0x000000014e10a3b0 ConcurrentGCThread "G1 Service" [stack: 0x000000016fbd8000,0x000000016fddb000] [id=16643]

      Threads with active compile tasks:
      C2 CompilerThread0 27686484 5257314 % 4 spec.benchmarks.xml.transform.BaseOutputStream::write @ 3 (36 bytes)

      VM state: not at safepoint (normal execution)

      VM Mutex/Monitor currently owned by a thread: ([mutex/lock_event])
      [0x0000000103bae528] JvmtiThreadState_lock - owner thread: 0x0000000000000000

      Heap address: 0x0000000600000000, size: 8192 MB, Compressed Oops mode: Zero based, Oop shift amount: 3

      CDS archive(s) mapped at: [0x0000000800000000-0x0000000800d08000-0x0000000800d08000), size 13664256, SharedBaseAddress: 0x0000000800000000, ArchiveRelocationMode: 0.
      Compressed class space mapped at: 0x0000000801000000-0x000000081b000000, reserved size: 436207616
      Narrow klass base: 0x0000000800000000, Narrow klass shift: 0, Narrow klass range: 0x100000000

      GC Precious Log:
       CardTable entry size: 512
       Card Set container configuration: InlinePtr #cards 4 size 8 Array Of Cards #cards 32 size 80 Howl #buckets 8 coarsen threshold 7372 Howl Bitmap #cards 1024 size 144 coarsen threshold 921 Card regions per heap region 1 cards per card region 8192
       CPUs: 8 total, 8 available
       Memory: 16384M
       Large Page Support: Disabled
       NUMA Support: Disabled
       Compressed Oops: Enabled (Zero based)
       Heap Region Size: 4M
       Heap Min Capacity: 8M
       Heap Initial Capacity: 256M
       Heap Max Capacity: 8G
       Pre-touch: Disabled
       Parallel Workers: 8
       Concurrent Workers: 2
       Concurrent Refinement Workers: 8
       Periodic GC: Disabled

      Heap:
       garbage-first heap total 7512064K, used 3246060K [0x0000000600000000, 0x0000000800000000)
        region size 4096K, 68 young (278528K), 12 survivors (49152K)
       Metaspace used 42614K, committed 49664K, reserved 491520K
        class space used 3955K, committed 6400K, reserved 425984K

            dlong Dean Long
            lmesnik Leonid Mesnik
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              Created:
              Updated:
              Resolved: