Change Management Workload Test Results

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Change Management Workload Test Results

This document details the performance characteristics, recommended use cases, and maintenance considerations for a server configuration specifically optimized for Change Management workloads. This configuration was rigorously tested using a suite of industry-standard benchmarks and simulated real-world scenarios representing typical Change Management processes, including configuration item (CI) tracking, incident management, problem management, and change request lifecycle management. The testing environment and methodology are described in detail in Workload Testing Methodology.

1. Hardware Specifications

The following table details the hardware specifications of the server used for testing. All components were selected for a balance of performance, reliability, and cost-effectiveness. Component selection followed the guidelines outlined in the Hardware Selection Policy.

Component Specification
CPU 2 x Intel Xeon Gold 6338 (32 Cores / 64 Threads per CPU) - Total 64 Cores / 128 Threads CPU Clock Speed 2.0 GHz Base / 3.4 GHz Turbo CPU Cache 48MB L3 Cache per CPU Chipset Intel C621A RAM 512GB DDR4-3200 ECC Registered DIMMs (16 x 32GB) - Configured in 8 Channels RAM Speed 3200 MHz Storage - OS/Boot 2 x 480GB NVMe PCIe Gen4 SSD (RAID 1) - Samsung 980 Pro Storage - Database 8 x 4TB SAS 12Gbps 7.2K RPM Enterprise HDD (RAID 10) - Seagate Exos X16 Storage - Logging/Reporting 2 x 1.92TB NVMe PCIe Gen4 SSD (RAID 1) - Micron 9400 Pro RAID Controller Broadcom MegaRAID SAS 9460-8i with 8GB NV Cache Network Interface Card (NIC) 2 x 10 Gigabit Ethernet (10GbE) - Intel X710-DA4 Network Teaming LACP (Link Aggregation Control Protocol) configured for redundancy and performance Power Supply Unit (PSU) 2 x 1600W Redundant 80+ Platinum Chassis 2U Rackmount Server - Supermicro SuperChassis 846BE1C-R1K28LPB Remote Management IPMI 2.0 with dedicated LAN port Operating System Red Hat Enterprise Linux 8.6

Detailed specifications for each component can be found in the Component Database. The OS was configured with the latest security patches as per the Security Hardening Guide. The server firmware was updated to the latest stable release available at the time of testing, following the Firmware Update Procedure.

2. Performance Characteristics

The server was subjected to a series of benchmarks and simulated workload tests to assess its performance under Change Management conditions. The benchmarks utilized included:

  • **Sysbench:** For CPU, memory, and I/O performance.
  • **IOmeter:** For detailed storage I/O profiling.
  • **pgbench:** For PostgreSQL database performance (the database used for Change Management data).
  • **Custom Change Management Simulation:** A script simulating 500 concurrent users performing typical Change Management tasks (creating change requests, approving changes, implementing changes, closing changes, running reports). This simulation was developed based on data gathered from Workload Analysis Reports.

Here are the key benchmark results:

  • **Sysbench CPU:** 16500 OPs/sec (Average across all cores)
  • **Sysbench Memory:** 280 GB/sec bandwidth, 180 ns latency
  • **IOmeter (RAID 10 Array):** 120,000 IOPS (4KB random read/write, 70/30 split), 1.8 GB/s throughput
  • **pgbench (Scale Factor 100):** 4500 Transactions Per Second (TPS)
  • **Custom Change Management Simulation:** Average response time of 1.2 seconds per user action, maximum concurrent users supported: 600 before performance degradation exceeded acceptable thresholds (defined in Performance SLAs).

The custom Change Management simulation was designed to mimic the load generated by a medium-sized enterprise. The simulation included a mix of read and write operations, reflecting the typical usage pattern of a Change Management system. Monitoring tools such as Performance Monitoring System and Log Analysis Tool were used to track resource utilization during the simulations. CPU utilization averaged around 75% during peak load, RAM utilization peaked at 60%, and disk I/O was consistently high. Network utilization remained below 50% indicating the network infrastructure was not a bottleneck. Detailed performance graphs are available in Performance Report Appendix. The configuration demonstrated excellent scalability, with performance degrading gracefully as the number of concurrent users increased.

3. Recommended Use Cases

This server configuration is ideally suited for the following Change Management use cases:

  • **Medium to Large Enterprises:** Supporting user bases of 500-2000 users.
  • **Organizations with Complex Change Management Processes:** Including extensive workflows, approvals, and integrations with other IT systems.
  • **Environments Requiring High Availability:** The redundant power supplies and RAID configurations provide a high level of fault tolerance.
  • **Organizations Utilizing a PostgreSQL Database:** The configuration is optimized for PostgreSQL performance.
  • **Hybrid Cloud Environments:** The server can be used as an on-premises component of a hybrid cloud Change Management solution, integrating with cloud-based services via secure network connections (configured per Network Security Policy).
  • **Supporting ITIL v4 Practices:** The performance allows for efficient implementation of ITIL v4 practices such as Change Enablement and Change Control.

This configuration is *not* recommended for very small organizations (less than 100 users) as it would be over-provisioned and unnecessarily expensive. For smaller deployments, the Small Business Server Configuration would be more appropriate.

4. Comparison with Similar Configurations

The following table compares this configuration with two other common server configurations used for Change Management: a lower-cost option and a higher-performance option.

Feature Change Management Configuration (This Document) Lower-Cost Configuration Higher-Performance Configuration
CPU 2 x Intel Xeon Gold 6338 2 x Intel Xeon Silver 4310 2 x Intel Xeon Platinum 8380
RAM 512GB DDR4-3200 256GB DDR4-2666 1TB DDR4-3200
Storage - Database 8 x 4TB SAS 12Gbps RAID 10 4 x 2TB SATA 6Gbps RAID 1 16 x 4TB SAS 12Gbps RAID 10
Storage - OS/Boot 2 x 480GB NVMe PCIe Gen4 RAID 1 1 x 240GB SATA SSD 2 x 960GB NVMe PCIe Gen4 RAID 1
Network 2 x 10GbE 2 x 1GbE 2 x 25GbE
PSU 2 x 1600W Platinum 2 x 800W Gold 2 x 2000W Platinum
Estimated Cost $18,000 $10,000 $30,000
pgbench TPS (Scale Factor 100) 4500 2800 7000
Concurrent Users (Acceptable Performance) 600 300 800

The lower-cost configuration offers significant savings but compromises on performance and scalability. It may be suitable for smaller organizations with less demanding Change Management requirements. The higher-performance configuration provides significantly improved performance but comes at a substantial cost premium. It is best suited for very large enterprises with extremely high transaction volumes and stringent performance requirements. A full cost-benefit analysis should be performed before selecting a configuration, as outlined in the Cost Analysis Procedure. The optimal choice depends on the specific needs and budget of the organization. Consider future growth when making this decision, referencing the Capacity Planning Guide.

5. Maintenance Considerations

Maintaining this server configuration requires careful attention to several key areas:

  • **Cooling:** The server generates a significant amount of heat due to the high-performance CPUs and storage devices. The server room must have adequate cooling capacity to maintain a stable operating temperature (ideally between 20-24°C or 68-75°F). Refer to the Data Center Cooling Guidelines. Regular monitoring of server temperatures using Remote Monitoring Tools is crucial.
  • **Power:** The server requires a dedicated power circuit with sufficient capacity to handle the peak power draw of 3200W. Uninterruptible Power Supply (UPS) protection is highly recommended to prevent data loss and downtime during power outages. See Power Infrastructure Requirements for details.
  • **Storage:** Regularly monitor the health of the RAID array using the RAID controller management interface. Schedule regular data backups according to the Backup and Recovery Policy. Consider implementing proactive disk failure prediction using SMART monitoring tools.
  • **Networking:** Monitor network performance and utilization to identify potential bottlenecks. Ensure that the network infrastructure can handle the traffic generated by the Change Management application. Consult the Network Management Procedures.
  • **Software Updates:** Apply security patches and software updates promptly to protect against vulnerabilities. Follow the Patch Management Process.
  • **Physical Security:** The server should be housed in a secure data center with restricted access. Follow the Physical Security Protocols.
  • **Regular Hardware Inspections:** Perform regular visual inspections of the server hardware to identify any signs of damage or wear and tear. Refer to the Hardware Inspection Checklist.
  • **Dust Control:** Regularly clean the server chassis to prevent dust buildup, which can impede cooling and lead to overheating. Use compressed air and anti-static wrist straps. See Server Room Cleaning Procedure.


Intel-Based Server Configurations

Configuration Specifications Benchmark
Core i7-6700K/7700 Server 64 GB DDR4, NVMe SSD 2 x 512 GB CPU Benchmark: 8046
Core i7-8700 Server 64 GB DDR4, NVMe SSD 2x1 TB CPU Benchmark: 13124
Core i9-9900K Server 128 GB DDR4, NVMe SSD 2 x 1 TB CPU Benchmark: 49969
Core i9-13900 Server (64GB) 64 GB RAM, 2x2 TB NVMe SSD
Core i9-13900 Server (128GB) 128 GB RAM, 2x2 TB NVMe SSD
Core i5-13500 Server (64GB) 64 GB RAM, 2x500 GB NVMe SSD
Core i5-13500 Server (128GB) 128 GB RAM, 2x500 GB NVMe SSD
Core i5-13500 Workstation 64 GB DDR5 RAM, 2 NVMe SSD, NVIDIA RTX 4000

AMD-Based Server Configurations

Configuration Specifications Benchmark
Ryzen 5 3600 Server 64 GB RAM, 2x480 GB NVMe CPU Benchmark: 17849
Ryzen 7 7700 Server 64 GB DDR5 RAM, 2x1 TB NVMe CPU Benchmark: 35224
Ryzen 9 5950X Server 128 GB RAM, 2x4 TB NVMe CPU Benchmark: 46045
Ryzen 9 7950X Server 128 GB DDR5 ECC, 2x2 TB NVMe CPU Benchmark: 63561
EPYC 7502P Server (128GB/1TB) 128 GB RAM, 1 TB NVMe CPU Benchmark: 48021
EPYC 7502P Server (128GB/2TB) 128 GB RAM, 2 TB NVMe CPU Benchmark: 48021
EPYC 7502P Server (128GB/4TB) 128 GB RAM, 2x2 TB NVMe CPU Benchmark: 48021
EPYC 7502P Server (256GB/1TB) 256 GB RAM, 1 TB NVMe CPU Benchmark: 48021
EPYC 7502P Server (256GB/4TB) 256 GB RAM, 2x2 TB NVMe CPU Benchmark: 48021
EPYC 9454P Server 256 GB RAM, 2x2 TB NVMe

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⚠️ *Note: All benchmark scores are approximate and may vary based on configuration. Server availability subject to stock.* ⚠️

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