ESLIMKOREA ES2404-EW ssj_ops@100% = 39,787
Test Sponsor: Telecommunications Technology Association SPEC License #: 83 Test Method: Single Node
Tested By: Telecommunications Technology Association Test Location: TTA, Seongnam-city, Korea Test Date: Nov 27, 2025
Hardware Availability: Jul-2025 Software Availability: Sep-2025 Publication: Dec 18, 2025
System Source: Single Supplier System Designation: Server Power Provisioning: Line-powered
Benchmark Results Summary
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     39,939
Calibration 2     40,177
Calibration 3     39,954
ssj_ops@calibrated=40,066
100% 99.3% 40,066 39,787
90% 91.9% 36,059 36,824
80% 80.0% 32,052 32,063
70% 69.7% 28,046 27,934
60% 58.9% 24,039 23,583
50% 50.2% 20,033 20,125
40% 40.9% 16,026 16,372
30% 30.7% 12,020 12,320
20% 19.8% 8,013 7,929
10% 10.1% 4,007 4,054
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: ESLIMKOREA
Model: ES2404-EW
Form Factor: 4U
CPU Name: Intel Xeon Gold 5520+
CPU Characteristics: 28 Core, 2.20 GHz, 52.5 MB L3 Cache (Turbo Boost Technology up to 4.00 GHz)
CPU Frequency (MHz): 2300
CPU(s) Enabled: 56 cores, 2 chips, 28 cores/chip
Hardware Threads: 112 (2 / core)
CPU(s) Orderable: 2 chips
Primary Cache: 32 KB I + 48 KB D on chip per core
Secondary Cache: 2 MB I+D on chip per core
Tertiary Cache: 53760 KB I+D on chip per chip
Other Cache: None
Memory Amount (GB): 512
# and size of DIMM: 8 x 64 GB
Memory Details: 8 x 64GB(M393A8G40MB2-CVF, 2Rx4 PC4-23466U-R; slots DIMM_P0_A0, DIMM_P0_B0, DIMM_P0_D0, DIMM_P0_E0, DIMM_P1_G0, DIMM_P1_H0, DIMM_P1_J0, DIMM_P1_K0 are populated)
Power Supply Quantity and Rating (W): 2 x 1200
Power Supply Details: Delta DPS-1200AB-4 E Rev.S0F
Disk Drive: 1 x 480 GB SATA SSD (P/N: INTEL SSDSC2KB480G8)
Disk Controller: None
# and type of Network Interface Cards (NICs) Installed: 2 x Intel Corporation I210 Gigabit Network Connection (Onboard)
NICs Enabled in Firmware / OS / Connected: 1/1/1
Network Speed (Mbit): 10000
Keyboard: None
Mouse: None
Monitor: None
Optical Drives: No
Other Hardware: None
Software
Power Management: Enabled
Operating System (OS): Red Hat Enterprise Linux 9.5
OS Version: 5.14.0-503.11.1.el9_5.x86_64
Filesystem: xfs
JVM Vendor: Oracle
JVM Version: java version "25" 2025-09-16 LTS; Java(TM) SE Runtime Environment (build 25+37-LTS-3491); Java HotSpot(TM) 64-Bit Server VM (build 25+37-LTS-3491, mixed mode, sharing)
JVM Command-line Options: -server -Xms2g -Xmx2g -Xmn1g -XX:+UseParallelGC -XX:ParallelGCThreads=28
JVM Affinity: numactl --physcpubind=[0-64] --localalloc
JVM Instances: 112
JVM Initial Heap (MB): 256
JVM Maximum Heap (MB): 2048
JVM Address Bits: 64
Boot Firmware Version: American Megatrends Inc. KM-H620-103B-SA2 (Release Date: 02/21/2019; BIOS Revision: 5.12)
Management Firmware Version: Firmware Revision 2.00 (IPMI Version 2.0)
Workload Version: SSJ 1.2.10
Director Location: Controller
Other Software: None
Boot Firmware Settings
Management Firmware Settings
None
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 2,904,642 2,045
Payment 2,904,646
Order Status 290,463
Delivery 290,464
Stock Level 290,465
Customer Report 2,904,643
Calibration 2 New Order 2,921,987 2,046
Payment 2,921,988
Order Status 292,199
Delivery 292,198
Stock Level 292,198
Customer Report 2,921,986
Calibration 3 New Order 2,905,761 2,046
Payment 2,905,762
Order Status 290,576
Delivery 290,576
Stock Level 290,577
Customer Report 2,905,762
100% 99.3% New Order 2,893,623 2,046
Payment 2,893,630
Order Status 289,362
Delivery 289,363
Stock Level 289,363
Customer Report 2,893,628
90% 91.9% New Order 2,678,095 2,046
Payment 2,678,095
Order Status 267,810
Delivery 267,809
Stock Level 267,810
Customer Report 2,678,093
80% 80.0% New Order 2,331,863 2,046
Payment 2,331,862
Order Status 233,187
Delivery 233,186
Stock Level 233,185
Customer Report 2,331,862
70% 69.7% New Order 2,031,562 2,045
Payment 2,031,562
Order Status 203,156
Delivery 203,156
Stock Level 203,156
Customer Report 2,031,562
60% 58.9% New Order 1,715,135 2,046
Payment 1,715,135
Order Status 171,513
Delivery 171,513
Stock Level 171,513
Customer Report 1,715,134
50% 50.2% New Order 1,463,610 2,046
Payment 1,463,609
Order Status 146,362
Delivery 146,360
Stock Level 146,361
Customer Report 1,463,610
40% 40.9% New Order 1,190,680 2,046
Payment 1,190,681
Order Status 119,068
Delivery 119,069
Stock Level 119,068
Customer Report 1,190,682
30% 30.7% New Order 895,992 2,046
Payment 895,992
Order Status 89,599
Delivery 89,600
Stock Level 89,600
Customer Report 895,994
20% 19.8% New Order 576,669 2,046
Payment 576,665
Order Status 57,667
Delivery 57,666
Stock Level 57,666
Customer Report 576,667
10% 10.1% New Order 294,850 2,046
Payment 294,849
Order Status 29,485
Delivery 29,485
Stock Level 29,484
Customer Report 294,847
Active Idle New Order 0 2,046
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0