ESLIMKOREA ES2404-EW ssj_ops@100% = 40,181
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     41,640
Calibration 2     41,184
Calibration 3     40,913
ssj_ops@calibrated=41,049
100% 97.9% 41,049 40,181
90% 89.7% 36,944 36,810
80% 80.0% 32,839 32,847
70% 68.8% 28,734 28,252
60% 60.2% 24,629 24,729
50% 49.2% 20,524 20,204
40% 39.7% 16,419 16,296
30% 30.6% 12,315 12,558
20% 20.8% 8,210 8,548
10% 9.8% 4,105 4,029
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 3,028,395 2,045
Payment 3,028,397
Order Status 302,839
Delivery 302,839
Stock Level 302,839
Customer Report 3,028,397
Calibration 2 New Order 2,995,240 2,046
Payment 2,995,242
Order Status 299,525
Delivery 299,524
Stock Level 299,523
Customer Report 2,995,241
Calibration 3 New Order 2,975,503 2,046
Payment 2,975,506
Order Status 297,549
Delivery 297,551
Stock Level 297,551
Customer Report 2,975,507
100% 97.9% New Order 2,922,277 2,046
Payment 2,922,275
Order Status 292,227
Delivery 292,226
Stock Level 292,228
Customer Report 2,922,270
90% 89.7% New Order 2,677,153 2,046
Payment 2,677,154
Order Status 267,715
Delivery 267,716
Stock Level 267,715
Customer Report 2,677,156
80% 80.0% New Order 2,388,851 2,046
Payment 2,388,852
Order Status 238,884
Delivery 238,885
Stock Level 238,885
Customer Report 2,388,846
70% 68.8% New Order 2,054,697 2,046
Payment 2,054,695
Order Status 205,470
Delivery 205,469
Stock Level 205,470
Customer Report 2,054,697
60% 60.2% New Order 1,798,487 2,046
Payment 1,798,482
Order Status 179,849
Delivery 179,848
Stock Level 179,848
Customer Report 1,798,486
50% 49.2% New Order 1,469,400 2,046
Payment 1,469,399
Order Status 146,940
Delivery 146,940
Stock Level 146,940
Customer Report 1,469,399
40% 39.7% New Order 1,185,149 2,046
Payment 1,185,154
Order Status 118,516
Delivery 118,514
Stock Level 118,514
Customer Report 1,185,153
30% 30.6% New Order 913,332 2,045
Payment 913,331
Order Status 91,334
Delivery 91,334
Stock Level 91,334
Customer Report 913,335
20% 20.8% New Order 621,640 2,046
Payment 621,640
Order Status 62,164
Delivery 62,164
Stock Level 62,163
Customer Report 621,639
10% 9.8% New Order 293,033 2,046
Payment 293,029
Order Status 29,302
Delivery 29,303
Stock Level 29,304
Customer Report 293,029
Active Idle New Order 0 2,046
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0