City Council Data Feeds
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- City Council Data Feeds – Server Configuration Documentation
This document details the hardware configuration designated "City Council Data Feeds," designed to reliably ingest, process, and serve real-time and historical data streams related to city council activities. This includes meeting minutes, voting records, public comment submissions, budgetary data, and demographic information. This configuration prioritizes data integrity, high availability, and scalability to accommodate growing data volumes and user access.
1. Hardware Specifications
The "City Council Data Feeds" server configuration utilizes a dual-server active-passive high-availability setup. Each server is built to the specifications detailed below. These specifications are current as of October 26, 2023, and are subject to change based on component availability and performance evaluations. See Hardware Revision Control for detailed versioning.
| Component | Specification |
|---|---|
| CPU | 2 x Intel Xeon Gold 6338 (32 Cores, 64 Threads per CPU) - Total 64 Cores / 128 Threads. Base Clock 2.0 GHz, Turbo Boost to 3.4 GHz. CPU Comparison |
| CPU Cooling | Liquid Cooling - Closed Loop, 360mm Radiator per CPU. Redundant fans for each radiator. Cooling Systems |
| Motherboard | Supermicro X12DPG-QT6. Dual Socket LGA 4189. Supports up to 8TB DDR4 ECC Registered Memory. Motherboard Architecture |
| RAM | 256GB DDR4 ECC Registered 3200MHz. 16 x 16GB Modules. Configured for maximum bandwidth/latency balance. Memory Management |
| Storage – Operating System | 2 x 480GB NVMe PCIe Gen4 SSD (RAID 1). Intel Optane technology for fast boot times and OS responsiveness. Storage Technologies |
| Storage – Data (Hot Tier) | 8 x 4TB NVMe PCIe Gen4 SSD (RAID 10). Used for frequently accessed data (recent meeting minutes, real-time feeds). Provides high IOPS and low latency. RAID Configurations |
| Storage – Data (Warm Tier) | 8 x 16TB SAS 12Gbps 7.2K RPM HDD (RAID 6). Used for historical data and less frequently accessed information. Offers high capacity at a lower cost per GB. HDD vs SSD |
| Network Interface Card (NIC) | 2 x 100Gbps QSFP28 Ethernet. Teaming for redundancy and increased bandwidth. Network Topologies |
| Power Supply Unit (PSU) | 2 x 1600W 80+ Platinum Redundant Power Supplies. Hot-swappable. Power Supply Units |
| Chassis | Supermicro 8U Rackmount Chassis. Designed for high airflow and easy maintenance. Server Chassis Types |
| Remote Management | IPMI 2.0 with dedicated network port. IPMI Documentation |
| Operating System | Red Hat Enterprise Linux 8.7 – Optimized for server workloads. Operating System Security |
The dual-server setup utilizes a Pacemaker cluster solution for automatic failover. A virtual IP address (VIP) is assigned to the active server, ensuring continuous service availability. See High Availability Clusters for more details. Data replication between the servers is handled by DRBD (Distributed Replicated Block Device) in synchronous mode, guaranteeing zero data loss in the event of a failure. The DRBD configuration is documented in DRBD Configuration Guide.
2. Performance Characteristics
The "City Council Data Feeds" configuration has undergone rigorous benchmarking to assess its performance capabilities. These benchmarks were conducted with a representative dataset mirroring the expected data volume and access patterns.
- CPU Performance:** SPECint_rate2017 = 285. SPECfp_rate2017 = 192. These scores indicate strong performance in both integer and floating-point workloads, crucial for data processing tasks. CPU Benchmarking
- Storage Performance (Hot Tier - RAID 10):** Sequential Read: 12GB/s. Sequential Write: 10GB/s. Random 4K Read IOPS: 800,000. Random 4K Write IOPS: 600,000. These figures demonstrate the high performance of the NVMe RAID 10 array, essential for handling real-time data streams. Storage Performance Metrics
- Storage Performance (Warm Tier - RAID 6):** Sequential Read: 500MB/s. Sequential Write: 400MB/s. Random 4K Read IOPS: 50,000. Random 4K Write IOPS: 30,000. While lower than the hot tier, these speeds are sufficient for historical data access.
- Network Performance:** 100Gbps sustained throughput with minimal latency. Packet loss rate consistently below 0.01%. Network Performance Testing
- Database Performance (PostgreSQL 13):** Using pgbench, the system sustains 8000 transactions per second (TPS) with a concurrency of 200 clients. Database Benchmarking
- Real-World Performance:**
In a simulated production environment, the system successfully ingested a data stream of 100MB/s of meeting minutes and public comments without performance degradation. Query response times for recent data (accessed from the hot tier) averaged 20ms. Queries for historical data (accessed from the warm tier) averaged 200ms. These results demonstrate the system’s ability to handle the expected workload with acceptable performance. Monitoring tools such as Prometheus and Grafana are integrated for real-time performance monitoring and alerting. Monitoring Tools
3. Recommended Use Cases
The "City Council Data Feeds" configuration is ideally suited for the following applications:
- **Real-Time Data Ingestion & Processing:** Handling live feeds of meeting minutes, public comment submissions, and voting records.
- **Historical Data Archiving & Retrieval:** Storing and providing access to historical city council data for research and analysis.
- **Data Analytics & Reporting:** Supporting data analysis tools and generating reports on city council activities.
- **Public Data Portal:** Serving data to a public-facing website or API for transparency and citizen engagement.
- **Data Warehousing:** Acting as a source system for a larger data warehouse solution.
- **Machine Learning Applications:** Supporting machine learning models that analyze city council data for insights. Machine Learning Infrastructure
- **Compliance and Auditing:** Maintaining a secure and auditable record of city council proceedings.
4. Comparison with Similar Configurations
The "City Council Data Feeds" configuration represents a balance between performance, scalability, and cost. Here’s a comparison with two alternative configurations:
| Configuration | CPU | RAM | Storage (Hot Tier) | Storage (Warm Tier) | Network | Estimated Cost | Notes |
|---|---|---|---|---|---|---|---|
| **City Council Data Feeds (This Config)** | 2 x Intel Xeon Gold 6338 | 256GB DDR4 | 8 x 4TB NVMe (RAID 10) | 8 x 16TB SAS (RAID 6) | 2 x 100Gbps | $35,000 | Optimal balance for performance and cost. High availability features included. |
| **Configuration A (Budget-Focused)** | 2 x Intel Xeon Silver 4310 | 128GB DDR4 | 4 x 2TB NVMe (RAID 1) | 4 x 8TB SAS (RAID 5) | 2 x 10Gbps | $20,000 | Lower cost, but reduced performance and capacity. Limited scalability. Single point of failure risks. |
| **Configuration B (Performance-Focused)** | 2 x Intel Xeon Platinum 8380 | 512GB DDR4 | 16 x 8TB NVMe (RAID 10) | 16 x 24TB SAS (RAID 6) | 2 x 200Gbps | $60,000 | Highest performance and capacity, but significantly higher cost. May be overkill for the current workload. Cost Optimization |
- Justification:**
Configuration A sacrifices performance and scalability for cost savings. While sufficient for initial needs, it may quickly become a bottleneck as data volume grows. Configuration B offers superior performance but at a significantly higher price point. The “City Council Data Feeds” configuration provides the best value by delivering excellent performance, scalability, and high availability without excessive cost. A detailed Total Cost of Ownership (TCO) analysis is available in TCO Analysis.
5. Maintenance Considerations
Maintaining the "City Council Data Feeds" configuration requires proactive monitoring and regular maintenance tasks.
- **Cooling:** The liquid cooling system requires periodic inspection and maintenance (every 6 months). Ensure adequate airflow in the server room to dissipate heat. Data Center Cooling
- **Power:** The redundant power supplies provide fault tolerance, but regular testing of the failover mechanism is crucial. The server room must have sufficient power capacity to support the system's peak power draw (approximately 3.2kW per server). Power Redundancy
- **Storage:** Monitor the health of the RAID arrays using SMART monitoring tools. Regularly test the DRBD replication to ensure data consistency. Replace failing drives promptly. Data Backup and Recovery
- **Software:** Keep the operating system and all software packages up to date with the latest security patches. Regularly review system logs for errors and anomalies. Security Best Practices
- **Network:** Monitor network performance and identify potential bottlenecks. Regularly test the network failover mechanism. Network Monitoring
- **Physical Security:** The server room should have restricted access and be physically secured against unauthorized entry. Physical Security Measures
- **Remote Management:** Utilize the IPMI interface for remote monitoring and management. Configure alerts for critical system events.
- **Scheduled Maintenance:** Plan for scheduled maintenance windows to perform software updates, hardware upgrades, and system backups. Maintenance Scheduling
- **Documentation:** Maintain up-to-date documentation of the system configuration, maintenance procedures, and troubleshooting steps.
This documentation provides a comprehensive overview of the "City Council Data Feeds" server configuration. For further information, please refer to the linked documentation and contact the server hardware engineering team. Contact Information
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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.* ⚠️