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How many lines of redis source code
Redis is a high-performance key-value storage system. It is completely open source and free. You can find the source code of Redis on GitHub, or you can download the compressed package of Redis. Through the analysis of the Redis source code, you can find that the code of Redis is streamlined. The entire source code is only 23,000 lines.
Jun 05, 2019 am 10:29 AM
redis cluster principle
All redis nodes are interconnected with each other (PING-PONG mechanism), and a binary protocol is used internally to optimize transmission speed and bandwidth. The fail of a node takes effect only when more than half of the nodes in the cluster detect failures. The client is directly connected to the redis node, without the need for an intermediate proxy layer. The client does not need to connect to all nodes in the cluster.
Jun 03, 2019 pm 04:52 PM
MemCache caching and Session (knowledge summary)
Memcache is a distributed caching system developed by Brad Fitzpatrick of LiveJournal, but it is currently used by many websites to improve website access speed, especially for some large websites that require frequent database access. The effect of improving access speed is very significant. .
May 30, 2019 pm 02:25 PM
What is the use of redis
The functions of redis: 1. Get the latest n data; 2. Get the TOP N data; 3. Set the accurate rush time; 4. Implement the counter; 5. Remove duplicate values; 6. Use the set command to create an anti-spam system; 7. Build a queue system.
May 24, 2019 pm 05:10 PM
What skills do PHP engineers need to master?
The skills that PHP engineers need to master are: 1. Proficient in the PHP native standard library; 2. Familiar with MySQL statements; 3. Familiar with using Nginx, etc.; 4. Mastering front-end knowledge; 5. Understand the technical principles in the actual production environment and the knowledge of other teams. Practice; 6. Master a CMS system, etc.
May 09, 2019 pm 02:59 PM
What is the difference between php and java
The differences between PHP and Java are: in terms of running mechanism, PHP directly interprets and compiles text codes, while Java is first compiled into bytecode and then compiled twice in the virtual machine; in terms of handling concurrency, Java adopts a single process Multi-threading method, PHP is multi-process
May 06, 2019 pm 04:31 PM
Examples of using magic methods in PHP
In this article, the editor will give a brief description of the use of magic methods in PHP and the accompanying code. Interested friends can take a look!
Apr 18, 2019 am 11:56 AM
High-concurrency website system construction: stand-alone to distributed cluster
As the scale of access increases, the website system gradually grows from a single server to a "behemoth" cluster. The process of the system becoming larger is actually the process of solving problems. At different stages, different problems are solved, and new problems are born on top of old solutions.
Apr 15, 2019 am 09:44 AM
Establishment and optimization of caching mechanism for website system
After talking about the external network environment of the Web system, now we start to pay attention to the performance issues of our Web system itself. As the number of visits to our website increases, we will encounter many challenges. Solving these problems is not just as simple as expanding the machine, but establishing and using an appropriate caching mechanism is fundamental.
Apr 13, 2019 pm 05:24 PM
Use memcache to synchronize sessions and coordinate cache
Once load balancing is used, the session will have synchronization problems. Using memcache to synchronize the session is a good solution. You need to prepare a relatively powerful memcache server and install the memcache service. The code layer assigns the seesion of several other hosts to this mem
Apr 13, 2019 pm 05:18 PM
memcache cache and session
Memcache is a distributed caching system developed by Brad Fitzpatrick of LiveJournal, but it is currently used by many websites to improve website access speed, especially for some large websites that require frequent database access. The effect of improving access speed is very significant. .
Apr 13, 2019 pm 05:16 PM
Summary of the differences between Cookie and Session
This article brings you a summary of the differences between Cookies and Sessions. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.
Apr 11, 2019 am 11:14 AM
How to install php7.1 memcache extension on mac
The content of this article is to introduce the method of installing php7.1 memcache extension on Mac. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.
Mar 28, 2019 am 10:52 AM
Detailed introduction to PHP dependency injection (with examples)
This article brings you a detailed introduction to PHP dependency injection (with examples). It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.
Mar 14, 2019 pm 01:20 PM
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