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What is PHP-FPM, and how does it improve website performance compared to other PHP handlers?
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PHP-FPM is an advanced version of PHP FastCGI, a process manager specifically designed to handle dynamic web requests more efficiently. It is widely used for improving the performance and reliability of websites and applications built with PHP, especially in cases of heavy loads.
Key Features:- Process Management: Handles multiple PHP processes to serve requests, ensuring efficient resource utilization and load balancing.
- Adaptive Process Spawning: Allows dynamic spawning of processes based on the server's needs, reducing resource waste.
- Customizable Pools: Supports multiple pools of workers with independent configurations for different applications or domains.
- Advanced Error Handling: Offers robust logging and error reporting to help debug and monitor performance.
- Opcode Cache Integration: Works seamlessly with opcode caching mechanisms to reduce response times.
- Memory Management: Helps control memory usage and avoid memory leaks through automated process recycling.
- Enhanced Performance: Process requests faster than traditional CGI-based implementations.
- Scalability: Easily handles high traffic with fine-tuned configurations.
- Resource Efficiency: Minimizes CPU and memory overhead by terminating idle processes.
- Flexibility: Allows specific configurations for each pool (e.g., max children, timeouts, environment variables).
- Compatibility: Works well with popular web servers like Nginx and Apache.
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