LTechKorea LKG-2212-C 116560 SPECjbb2015-MultiJVM max-jOPS
56380 SPECjbb2015-MultiJVM critical-jOPS
Tested by: Telecommunications Technology Association Test Sponsor: Telecommunications Technology Association Test location: TTA, Seongnam-city, Korea Test date: Apr 3, 2022
SPEC license #: A83 Hardware Availability: Apr-2022 Software Availability: Mar-2022 Publication: Fri Apr 29 13:19:42 EDT 2022
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 Cores32
Total Threads64
Total Memory Amount (GB)1344
Total OS Images1
SW EnvironmentNon-virtual
 
Hardware hw_1
NameLKG-2212-C
VendorLTechKorea
Vendor URLhttps://www.ltechkorea.com/
AvailableApr-2022
ModelLKG-2212-C
Form Factor2U
CPU NameIntel(R) Xeon(R) Gold 6226R
CPU Characteristics16 Core, 2.9 GHz, 22 MB L3 Cache (Turbo Boost Technology up to 3.9 GHz)
Number of Systems1
Nodes Per System1
Chips Per System2
Cores Per System32
Cores Per Chip16
Threads Per System64
Threads Per Core2
VersionVersion 1.0
CPU Frequency (MHz)2900
Primary Cache32KB(I)+32KB(D) KB on chip per core
Secondary Cache1 MB(I+D) per core
Tertiary Cache22 MB(I+D) on chip per chip
Other CacheNone
Disk1 TB HDD
File SystemXFS
Memory Amount (GB)1344
# and size of DIMM(s)6 x 32GB, 18 x 64GB
Memory Details6 X 32GB 2Rx4 PC4-23466U-R, 18 X 64GB 2Rx4 PC4-23466U-R
# and type of Network Interface Cards (NICs)1 x 1 Gbit NICs
Power Supply Quantity and Rating (W)2x1600
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 7.8
VendorRed Hat Enterprise
Vendor URLhttps://www.redhat.com/
Version3.10.0-1127.el7.x86_64
AvailableMar-2020
Bitness64
NotesNone
Java Virtual Machine jvm_1
NameOracle Java SE 18
VendorOracle
Vendor URLhttp://www.oracle.com
VersionJava HotSpot 64-bit Server VM, version 18
AvailableMar-2022
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
  • 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 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 800000000
  • ulimit -m 800000000
  • ulimit -l 800000000
Notes None
JVM Instance jvm_Ctr_1
Parts of Benchmark Controller
JVM Instance Description jvm_1
Command Line -server -Xms2g -Xmx2g -Xmn1536m
Tuning None
Notes None
JVM Instance jvm_Backend_1
Parts of Benchmark Backend
JVM Instance Description jvm_1
Command Line -server -Xmx30g -Xms30g -Xmn27g -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 -XX:AllocatePrefetchInstr=2 -XX:UseAVX=0
Tuning Used numactl to affinitize each Backend JVM to 8 Cores / 16 Threads
  • numactl --cpunodebind=1 --localalloc
  • numactl --cpunodebind=2 --localalloc
  • numactl --cpunodebind=3 --localalloc
  • numactl --cpunodebind=4 --localalloc
Notes None
JVM Instance jvm_TxInjector_1
Parts of Benchmark TxInjector
JVM Instance Description jvm_1
Command Line -server -Xms2g -Xmx2g -Xmn1536m
Tuning
  • numactl --cpunodebind=1 --localalloc
  • numactl --cpunodebind=2 --localalloc
  • numactl --cpunodebind=3 --localalloc
  • numactl --cpunodebind=4 --localalloc
Notes None
max-jOPS = jOPS passed before the First Failure
Pass/Fail Pass Pass Fail Fail Fail
jOPS 115188 116560 117931 119302 120674
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 36339 47309 59651 69250 80220 56380
  Percentile
  10-th 50-th 90-th 95-th 99-th 100-th
500us - / 1371 - / 1371 - / 1371 - / 1371 - / 1371 - / 1371
1000us 4114 / 5485 1371 / 2743 - / 1371 - / 1371 - / 1371 - / 1371
5000us 97362 / 98733 75421 / 76792 19198 / 20569 17827 / 19198 15084 / 16455 - / 1371
10000us 100104 / 101475 90505 / 91876 71307 / 72678 58965 / 60337 35654 / 37025 5485 / 4114
25000us 101475 / 102847 97362 / 98733 85020 / 86391 79535 / 80906 46624 / 47995 5485 / 4114
50000us 104218 / 105589 98733 / 100104 90505 / 91876 83649 / 85020 60337 / 58965 5485 / 4114
75000us 104218 / 105589 100104 / 101475 93248 / 94619 87763 / 89134 68564 / 69936 5485 / 4114
100000us 105589 / 106961 100104 / 101475 94619 / 95990 91876 / 93248 79535 / 80906 24683 / 4114
200000us 106961 / 108332 104218 / 105589 98733 / 100104 97362 / 98733 93248 / 94619 75421 / 9599
500000us 115188 / 116560 109703 / 111074 105589 / 106961 104218 / 105589 102847 / 104218 95990 / 97362
1000000us 116560 / - 115188 / 116560 112446 / 113817 112446 / 113817 111074 / 112446 105589 / 104218
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 256 224
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 64 {Tier1=100, Tier2=1, Tier3=16}
specjbb.group.count 1 4
specjbb.mapreducer.pool.size 64 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 137129 IR
High-bound (settled) is 123215 IR