LTechKorea LKG2312 155859 SPECjbb2015-MultiJVM max-jOPS
79317 SPECjbb2015-MultiJVM critical-jOPS
Tested by: Telecommunications Technology Association Test Sponsor: Telecommunications Technology Association Test location: TTA, Seongnam-city, Korea Test date: Apr 20, 2023
SPEC license #: A83 Hardware Availability: Apr-2023 Software Availability: Apr-2023 Publication: Tue May 23 10:57:07 EDT 2023
Benchmark Results Summary
 
Overall Throughput RT curve
Overall SUT (System Under Test) Description
VendorLTechKorea
Vendor URLhttps://www.ltechkorea.com/
System SourceSingle Supplier
System DesignationServer Rack
Total Systems1
All SUT Systems IdenticalYES
Total Nodes1
All Nodes IdenticalYES
Nodes Per System1
Total Chips2
Total Cores36
Total Threads72
Total Memory Amount (GB)1536
Total OS Images1
SW EnvironmentNon-virtual
 
Hardware hw_1
NameLKG2312
VendorLTeckKorea
Vendor URLhttp://www.ltechkorea.com/
AvailableApr-2023
ModelLKG2312
Form Factor2U
CPU NameIntel(R) Xeon(R) Gold 6354
CPU Characteristics18 Core, 3.0 GHz, 39 MB L3 Cache (Turbo Boost Technology up to 3.6 GHz)
Number of Systems1
Nodes Per System1
Chips Per System2
Cores Per System36
Cores Per Chip18
Threads Per System72
Threads Per Core2
VersionVersion 1.0
CPU Frequency (MHz)3000
Primary Cache48KB(I)+32KB(D) per core
Secondary Cache1.25 MB (I+D) per core
Tertiary Cache39MB (I+D) on chip per chip
Other CacheNone
Disk960 GB SSD
File SystemZFS
Memory Amount (GB)1536
# and size of DIMM(s)24 x 64GB
Memory Details4Rx4 PC4-2666V-L
# and type of Network Interface Cards (NICs)1x 10 Gbit NICs
Power Supply Quantity and Rating (W)1600w Dual Redundant
Other HardwareNone
Cabinet/Housing/EnclosureNone
Shared DescriptionNone
Shared CommentNone
Notes
  • Yes: The test sponsor attests, as of date of publication, that CVE-2017-5754 (Meltdown) is mitigated in the system as tested and documented.
  • Yes: The test sponsor attests, as of date of publication, that CVE-2017-5753 (Spectre variant 1) is mitigated in the system as tested and documented.
  • Yes: The test sponsor attests, as of date of publication, that CVE-2017-5715 (Spectre variant 2) is mitigated in the system as tested and documented.
Other Hardware network_1
NameNone
VendorNone
Vendor URLNone
VersionNone
AvailableNone
BitnessNone
NotesNone
Operating System os_1
NameRed Hat Enterprise Linux Server 7.9
VendorRed Hat Enterprise
Vendor URLhttp://www.redhat.com/
Version3.10.0-1160.88.1.el7.x86_64
AvailableSep-2020
Bitness64
NotesNone
Java Virtual Machine jvm_1
NameOracle Java SE 17.0.6
VendorOracle Corporation
Vendor URLhttp://oracle.com/
VersionJava HotSpot 64-Bit Server VM, version 17.0.6
AvailableJan-2023
Bitness64
NotesNone
Other Software other_1
NameNone
VendorNone
Vendor URLNone
VersionNone
AvailableNone
BitnessNone
NotesNone
Hardware
OS Images os_Image_1(1)
Hardware Description hw_1
Number of Systems 1
SW Environment non-virtual
Tuning BIOS Settings:
  • SNC = Enable SNC
  • VT-d = Disabled
  • Patrol Scrub = Disabled
  • SR-IOV Support = Disabled>/LI>
  • DCU Streamer Prefetching = Disable
  • ENERGY_PERF_BIAS_CFG mode = Performance
Notes None
OS Image os_Image_1
JVM Instances jvm_Ctr_1(1), jvm_Backend_1(4), jvm_TxInjector_1(4)
OS Image Description os_1
Tuning
  • cpupower frequency-set -g performance
  • ulimit -n 655360
  • echo 15000000 > /proc/sys/kernel/sched_wakeup_granularity_ns
  • echo 1000 > /proc/sys/kernel/sched_migration_cost_ns
  • echo 16 > /proc/sys/kernel/sched_nr_migrate
  • echo 950000 > /proc/sys/kernel/sched_rt_runtime_us
  • echo 10000000 > /proc/sys/kernel/sched_latency_ns
  • echo 10000 > /proc/sys/vm/dirty_expire_centisecs
  • echo 1500 > /proc/sys/vm/dirty_writeback_centisecs
  • echo 40 > /proc/sys/vm/dirty_ratio
  • echo 10 > /proc/sys/vm/dirty_background_ratio
  • echo 10 > /proc/sys/vm/swappiness
  • echo 0 > /proc/sys/kernel/numa_balancing
  • echo always > /sys/kernel/mm/transparent_hugepage/dafrag
  • echo always > /sys/kernel/mm/transparent_hugepage/enabled
  • ulimit -v unlimited
  • ulimit -m unlimited
  • ulimit -l unlimited
Notes None
JVM Instance jvm_Ctr_1
Parts of Benchmark Controller
JVM Instance Description jvm_1
Command Line -server -Xms2g -Xmx2g -Xmn1536m -XX:+UseParallelGC -XX:ParallelGCThreads=2 -XX:CICompilerCount=4
Tuning None
Notes None
JVM Instance jvm_Backend_1
Parts of Benchmark Backend
JVM Instance Description jvm_1
Command Line -server -Xmx30g -Xms30g -Xmn28g -XX:+UseParallelGC -XX:ParallelGCThreads=16 -XX:+UseLargePages -XX:LargePageSizeInBytes=1G -XX:+AlwaysPreTouch -XX:InlineSmallCode=10k -XX:-UseAdaptiveSizePolicy -XX:SurvivorRatio=28 -XX:LoopUnrollLimit=20 -XX:MaxTenuringThreshold=15 -XX:TargetSurvivorRatio=95
Tuning Used numactl to affinitize each Backend JVM to 9 Cores / 18 Threads
  • numactl --cpunodebind=0 --localalloc
  • numactl --cpunodebind=1 --localalloc
  • numactl --cpunodebind=2 --localalloc
  • numactl --cpunodebind=3 --localalloc
Notes None
JVM Instance jvm_TxInjector_1
Parts of Benchmark TxInjector
JVM Instance Description jvm_1
Command Line -server -Xms2g -Xmx2g -Xmn1536m -XX:+UseParallelGC -XX:ParallelGCThreads=2 -XX:CICompilerCount=4
Tuning
  • numactl --cpunodebind=0 --localalloc
  • numactl --cpunodebind=1 --localalloc
  • numactl --cpunodebind=2 --localalloc
  • numactl --cpunodebind=3 --localalloc
Notes None
max-jOPS = jOPS passed before the First Failure
Pass/Fail Pass Pass Fail Fail Fail
jOPS 153886 155859 157832 159805 161778
critical-jOPS = Geomean ( jOPS @ 10000; 25000; 50000; 75000; 100000; SLAs )
Response time percentile is 99-th
SLA (us) 10000 25000 50000 75000 100000 Geomean
jOPS 54254 66092 81875 97658 109495 79317
  Percentile
  10-th 50-th 90-th 95-th 99-th 100-th
500us 3946 / 5919 1973 / 3946 - / 1973 - / 1973 - / 1973 - / 1973
1000us 63133 / 59187 7892 / 9864 3946 / 5919 3946 / 5919 1973 / 3946 - / 1973
5000us 136130 / 138103 122320 / 124293 90753 / 92726 61160 / 55241 29593 / 31566 3946 / 1973
10000us 138103 / 140076 128238 / 130211 106537 / 108509 92726 / 94699 53268 / 55241 7892 / 1973
25000us 140076 / 142049 134157 / 136130 120347 / 122320 110482 / 112455 65106 / 67079 7892 / 1973
50000us 140076 / 142049 136130 / 138103 126266 / 128238 116401 / 118374 80889 / 82862 7892 / 1973
75000us 142049 / 144022 136130 / 138103 128238 / 130211 120347 / 122320 96672 / 98645 7892 / 1973
100000us 142049 / 144022 138103 / 140076 132184 / 134157 126266 / 128238 108509 / 110482 55241 / 5919
200000us 147967 / 149940 142049 / 144022 136130 / 138103 134157 / 136130 128238 / 130211 108509 / 19729
500000us 153886 / 155859 147967 / 149940 142049 / 144022 142049 / 144022 140076 / 142049 132184 / 134157
1000000us 155859 / - 153886 / 155859 151913 / 153886 149940 / 151913 147967 / 149940 142049 / 144022
Probes jOPS / Total jOPS
Request Mix Accuracy
Note
(Actual % in the Mix - Expected % in the Mix) must be within:
'Main Tx' limit of +/-5.0% for the requests whose expected % in the mix is >= 10.0%
'Minor Tx' limit of +/-1.0% for the requests whose expected % in the mix is < 10.0%
There were no non-critical failures in Response Time curve building
Delay between status pings
IR/PR Accuracy
This section lists properties only set by user
Property Name Default Controller
specjbb.comm.connect.client.pool.size 256 256
specjbb.comm.connect.selector.runner.count 0 4
specjbb.comm.connect.timeouts.connect 60000 600000
specjbb.comm.connect.timeouts.read 60000 600000
specjbb.comm.connect.timeouts.write 60000 600000
specjbb.comm.connect.worker.pool.max 256 112
specjbb.comm.connect.worker.pool.min 1 64
specjbb.forkjoin.workers 72 {Tier1=180, Tier2=56, Tier3=28}
specjbb.group.count 1 4
specjbb.mapreducer.pool.size 72 4
specjbb.txi.pergroup.count 1 1
View table in csv format
 
Level: COMPLIANCE
Check Agent Result
Check properties on compliance All PASSED
 
Level: CORRECTNESS
Check Agent Result
Compare SM and HQ Inventory All PASSED
High-bound (max attempted) is 197290 IR
High-bound (settled) is 164475 IR