When conducting Non-Functional Requirements (NFR) checks for database performance testing, consider the following questions:
1. Response Time: What is the expected response time for different types of queries and transactions?
2. Throughput: How many transactions or queries should the database handle per unit of time?
3. Concurrency: What level of concurrent users or transactions should the database support without degradation in performance?
4. Scalability: How well does the database scale with an increase in data volume, users, or transactions?
5. Resource Utilization: What are the acceptable levels of CPU, memory, and disk utilization for the database under different load scenarios?
6. Isolation Levels: How are isolation levels configured, and do they meet the application's requirements for consistency and performance?
7. Indexing Strategy: Is the indexing strategy optimized to improve query performance?
8. Data Partitioning: Are there effective data partitioning strategies in place to distribute data evenly and enhance performance?
9. Caching Mechanisms: Are caching mechanisms employed, and do they align with the performance requirements?
10. Backup and Recovery: How does the database perform during backup and recovery operations, and are they within acceptable time frames?
11. Data Archiving: Is there a strategy for archiving historical data, and how does it impact database performance?
12. Query Optimization: Have queries been optimized, and are there mechanisms in place to identify and address poorly performing queries?
13. Network Latency: How does network latency affect database performance, and what measures are in place to mitigate its impact?
14. Security Measures: How do security features, such as encryption and access controls, impact database performance?
15. Failover and Redundancy: How quickly can the database failover in case of a primary node failure, and what impact does this have on performance?
16. Data Purging and Retention: Is there a strategy for data purging, and how does it affect overall database performance?
17. Compliance Requirements: Does the database meet any regulatory or compliance requirements affecting performance?
18. Benchmarking: Have you benchmarked the database performance under realistic conditions to identify potential bottlenecks?
By addressing these questions, you can establish a comprehensive set of Non-Functional Requirements for your database performance testing.
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