Course Introduction：Redis is needed to speed up the combination of PHP and MySQL, because Redis can significantly increase data access speed and reduce database query burden. Specific methods include: 1. Cache MySQL query results into Redis to reduce the number of direct queries; 2. Use publish-subscribe mode or transaction to ensure cache consistency; 3. Prevent cache penetration through Bloom filters; 4. Set different expiration times or use distributed locks to avoid cache avalanches; 5. Implement hierarchical cache, data warm-up and dynamic adjustment strategies to further optimize performance.
2025-05-28 comment 0 472
Course Introduction：In the high concurrency flash sale scenario, the problem of PHP Redis inventory and database consistency is explained in detail in the high concurrency flash sale system, how to ensure Redis cache inventory and database...
2025-04-01 comment 0 918
Course Introduction：The main purpose of using Redis to pair WordPress is to improve website access speed and performance. The core is to reduce database pressure and speed up response time through Redis as a cache layer. The specific implementation is divided into three steps: First, install the Redis service and ensure it is running normally, including installing on the server, starting the service, setting up the power-on and configuring network access rights; Second, enable Redis cache in WordPress through the RedisObjectCache plug-in. After installing the plug-in, connect and set the connection according to the actual address, port and password of the Redis service, and enable the object cache function; Third, optimize the settings according to the needs, including confirming that PHP has installed Redis extensions and selecting appropriate ones.
2025-07-24 comment 0 286
Course Introduction：This article explores effective opcode caching in PHP 8. It details choosing the right cacher (Opcache, Redis, Memcached), configuring Opcache (memory allocation, revalidate_freq), monitoring performance (cache hits/misses), troubleshooting (file
2025-03-10 comment 0 785
Course Introduction：To effectively implement the cache of PHP applications, first enable OPcache to improve script execution efficiency; secondly, output cache for static pages; secondly, use Memcached or Redis to cache data; finally control browser cache through HTTP headers. 1. Enable OPcache and configure the memory and file count parameters. 2. Generate cache files for frequent access to the page and determine whether they need to be regenerated when requesting. 3. Store database results, API responses, etc. in Redis or Memcached, and set the key name policy and expiration time. 4. Set up HTTP headers such as Cache-Control and ETag to optimize the cache effect of API and static resources, reduce bandwidth usage and speed up loading
2025-07-14 comment 0 169
Course Elementary 13825
Course Introduction：Scala Tutorial Scala is a multi-paradigm programming language, designed to integrate various features of object-oriented programming and functional programming.
Course Elementary 82361
Course Introduction："CSS Online Manual" is the official CSS online reference manual. This CSS online development manual contains various CSS properties, definitions, usage methods, example operations, etc. It is an indispensable online query manual for WEB programming learners and developers! CSS: Cascading Style Sheets (English full name: Cascading Style Sheets) is an application used to express HTML (Standard Universal Markup Language).
Course Elementary 13181
Course Introduction：SVG is a markup language for vector graphics in HTML5. It maintains powerful drawing capabilities and at the same time has a very high-end interface to operate graphics by directly operating Dom nodes. This "SVG Tutorial" is intended to allow students to master the SVG language and some of its corresponding APIs, combined with the knowledge of 2D drawing, so that students can render and control complex graphics on the page.
Course Elementary 24630
Course Introduction：In the "AngularJS Chinese Reference Manual", AngularJS extends HTML with new attributes and expressions. AngularJS can build a single page application (SPAs: Single Page Applications). AngularJS is very easy to learn.
Course Elementary 27488
Course Introduction：Go is a new language, a concurrent, garbage-collected, fast-compiled language. It can compile a large Go program in a few seconds on a single computer. Go provides a model for software construction that makes dependency analysis easier and avoids most C-style include files and library headers. Go is a statically typed language, and its type system has no hierarchy. Therefore users do not need to spend time defining relationships between types, which feels more lightweight than typical object-oriented languages. Go is a completely garbage-collected language and provides basic support for concurrent execution and communication. By its design, Go is intended to provide a method for constructing system software on multi-core machines.
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