PHP-FPM performance optimization: debugging skills to improve website code quality

PHP-FPM Performance Optimization: Debugging Tips to Improve Website Code Quality

Title: PHP-FPM Performance Optimization: Debugging Tips to Improve Website Code Quality

Overview:
With the rapid development of the Internet, website performance optimization has become one of the focuses of front-end and back-end developers. As back-end developers, if we can improve the quality and performance of website code through debugging skills, we will be able to provide users with a better experience. This article will share some debugging techniques to improve the quality of website code and make our code more efficient and stable.

1. Code review

1. Improve coding standards:

   • Pay attention to the indentation of the code to make the code structure clear and easy to read;
   • Use meaningful variable and function names to facilitate reading and maintenance;
   • Avoid too many global variables and reduce the possibility of naming conflicts.

2. Check whether there are redundancies in the code:

   • Find and delete unused variables, functions and classes;
   • Remove redundant code blocks and comments.

3. Code formatting and beautification tools:

   • Use formatting tools, such as PHP-CS-Fixer, PHP_CodeSniffer, etc., to automatically modify the code Formatting;
   • Use code beautification tools, such as PHP Beautifier, etc., to beautify the code into a unified style.

2. Performance analysis

1. Code debugging tools:

   • Use Xdebug for code debugging, You can insert breakpoints in the code and view the runtime variable values ​​in the browser;
   • Use Xhprof for performance analysis to find long-running functions and code blocks.

2. Log analysis tools:

   • Use tools such as ELK (Elasticsearch, Logstash, Kibana) or Splunk to analyze PHP-FPM logs , to find potential performance bottlenecks.

3. Database optimization

1. Database index:

   • Analyze database query statements for frequent Add indexes to the columns used for searching and sorting to improve query efficiency;
   • Avoid creating too many indexes and create indexes selectively.

2. SQL optimization:

   • To avoid frequently executing database queries in a loop, batch operations can be used;
   • Use appropriate SQL statements, such as JOIN, etc., reduce the number of database queries.

4. Caching mechanism

1. Page caching:

   • Use caching plug-ins, such as Redis, Memcached, etc., directly returns cache results when the page content remains unchanged, reducing requests for PHP-FPM;
   • Set the cache expiration time to ensure the real-time nature of the data.

2. Data cache:

   • Use cache plug-ins, such as Redis, Memcached, etc., to cache frequently queried data;
   • Use a custom cache mechanism to store frequently used data in memory to reduce database queries.

5. Concurrency processing

1. Process management tools:

   • Use process management tools, such as Supervisor, etc., control the number of PHP-FPM processes to avoid performance problems caused by too many or too few processes.

2. Queue mechanism:

   • Use message queues, such as RabbitMQ, Beanstalkd, etc., to process long-term tasks asynchronously and reduce PHP- The burden of FPM.

Summary:
Through the above debugging skills, we can effectively improve the quality and performance of website code. But this is only part of optimizing website performance, and specific debugging and optimization need to be carried out according to the actual situation. In actual development, we should always pay attention to the quality and performance of the code, constantly learn and apply new techniques, and improve the user experience and performance of the website.

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