Lenovo Global Technology ThinkSystem ST45 V3 ssj_ops@100% = 438,369
Test Sponsor: Lenovo Global Technology SPEC License #: 9017 Test Method: Single Node
Tested By: Lenovo Global Technology Test Location: Beijing, China Test Date: Nov 24, 2025
Hardware Availability: Nov-2025 Software Availability: Jun-2025 Publication: Jan 27, 2026
System Source: Single Supplier System Designation: Server Power Provisioning: Line-powered
Benchmark Results Summary
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     309,952
Calibration 2     438,966
Calibration 3     449,368
ssj_ops@calibrated=444,167
100% 98.7% 444,167 438,369
90% 89.9% 399,750 399,443
80% 79.9% 355,334 355,107
70% 69.9% 310,917 310,629
60% 60.2% 266,500 267,267
50% 50.2% 222,084 223,141
40% 40.1% 177,667 178,244
30% 29.9% 133,250 132,740
20% 20.0% 88,833 89,002
10% 10.0% 44,417 44,396
Active Idle   0 0
Graph of results
System Under Test
Set: 'sut'
Set Identifier: sut
Set Description: System Under Test
# of Identical Nodes: 1
Comment: 'SUT'
Hardware
Hardware Vendor: Lenovo Global Technology
Model: ThinkSystem ST45 V3
Form Factor: Tower
CPU Name: AMD EPYC 4465P
CPU Characteristics: 12 core, 3.4GHz, 64MB L3 Cache
CPU Frequency (MHz): 3400
CPU(s) Enabled: 12 cores, 1 chip, 12 cores/chip
Hardware Threads: 24 (2 / core)
CPU(s) Orderable: 1 chip
Primary Cache: 32 KB I + 64 KB D on chip per core
Secondary Cache: 512 KB I+D on chip per core
Tertiary Cache: 64 MB I+D off chip per chip
Other Cache: None
Memory Amount (GB): 32.0
# and size of DIMM: 2 x 16 GB
Memory Details: 2 x 16GB 1Rx8 PC5-5600;slots 1 and 2 populated
Power Supply Quantity and Rating (W): 1 x 300
Power Supply Details: Lenovo
Disk Drive: 1 x 480GB M.2 NVMe SSD P/N:4XB7A83139
Disk Controller: Integrated NVME controller
# and type of Network Interface Cards (NICs) Installed: 1 x ThinkSystem 1GbE RJ45 1-port
NICs Enabled in Firmware / OS / Connected: 1/1/1
Network Speed (Mbit): 1000
Keyboard: None
Mouse: None
Monitor: None
Optical Drives: No
Other Hardware: None
Software
Power Management: Enabled (see SUT Notes)
Operating System (OS): SUSE Linux Enterprise Server 15 SP7
OS Version: 6.4.0-150700.51-default
Filesystem: xfs
JVM Vendor: Oracle Corporation
JVM Version: Java HotSpot(TM) 64-Bit Server VM (build 17.0.10+11-LTS-240, mixed mode, sharing), version 17.0.10
JVM Command-line Options: -server -Xmn1900m -Xms2048m -Xmx2048m -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:InlineSmallCode=1500 -XX:UseAVX=1 -XX:AutoBoxCacheMax=20000 -XX:+UseParallelGC -XX:+OptimizeFill -XX:+AggressiveHeap -XX:MaxInlineSize=270 -XX:FreqInlineSize=2500
JVM Affinity: for each even physicalCoreId { numactl -C physicalCoreId, physicalCoreId + 1, physicalCoreId + 24, physicalCoreId + 25}
JVM Instances: 6
JVM Initial Heap (MB): 2048
JVM Maximum Heap (MB): 2048
JVM Address Bits: 64
Boot Firmware Version: QIE105F
Management Firmware Version: None
Workload Version: SSJ 1.2.10
Director Location: Controller
Other Software: None
Boot Firmware Settings
Management Firmware Settings
None
System Under Test Notes
Notes
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 22,542,159 2,038
Payment 22,542,156
Order Status 2,254,216
Delivery 2,254,216
Stock Level 2,254,215
Customer Report 22,542,162
Calibration 2 New Order 31,924,855 2,038
Payment 31,924,847
Order Status 3,192,483
Delivery 3,192,485
Stock Level 3,192,483
Customer Report 31,924,843
Calibration 3 New Order 32,681,362 2,038
Payment 32,681,361
Order Status 3,268,135
Delivery 3,268,135
Stock Level 3,268,138
Customer Report 32,681,365
100% 98.7% New Order 31,881,395 2,039
Payment 31,881,395
Order Status 3,188,138
Delivery 3,188,138
Stock Level 3,188,139
Customer Report 31,881,397
90% 89.9% New Order 29,050,397 2,038
Payment 29,050,401
Order Status 2,905,040
Delivery 2,905,040
Stock Level 2,905,040
Customer Report 29,050,393
80% 79.9% New Order 25,825,969 2,039
Payment 25,825,975
Order Status 2,582,597
Delivery 2,582,596
Stock Level 2,582,597
Customer Report 25,825,977
70% 69.9% New Order 22,591,174 2,039
Payment 22,591,185
Order Status 2,259,118
Delivery 2,259,119
Stock Level 2,259,120
Customer Report 22,591,174
60% 60.2% New Order 19,437,604 2,039
Payment 19,437,602
Order Status 1,943,761
Delivery 1,943,759
Stock Level 1,943,759
Customer Report 19,437,603
50% 50.2% New Order 16,228,442 2,038
Payment 16,228,447
Order Status 1,622,843
Delivery 1,622,845
Stock Level 1,622,843
Customer Report 16,228,451
40% 40.1% New Order 12,963,220 2,038
Payment 12,963,206
Order Status 1,296,322
Delivery 1,296,323
Stock Level 1,296,320
Customer Report 12,963,216
30% 29.9% New Order 9,653,801 2,038
Payment 9,653,802
Order Status 965,380
Delivery 965,380
Stock Level 965,381
Customer Report 9,653,804
20% 20.0% New Order 6,472,884 2,038
Payment 6,472,880
Order Status 647,290
Delivery 647,286
Stock Level 647,288
Customer Report 6,472,882
10% 10.0% New Order 3,228,786 2,038
Payment 3,228,788
Order Status 322,878
Delivery 322,880
Stock Level 322,880
Customer Report 3,228,788
Active Idle New Order 0 2,038
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0