Shulou(Shulou.com)06/03 Report--

This article mainly introduces how to deal with large traffic websites, has a certain reference value, interested friends can refer to, I hope you can learn a lot after reading this article, the following let the editor take you to understand it.

First: first, confirm that the server hardware is sufficient to support the current traffic.

An ordinary P4 server can generally support up to 100000 independent IP per day. If the number of visits is greater than this, then you must first configure a dedicated server with higher performance to solve the problem, otherwise no optimization can completely solve the performance problem.

Second: second, optimize access. Database

The foreground to achieve complete static is of course the best, you do not have to access the database, but for frequently updated sites, static often can not meet some functions.

Caching is another solution, which is to store dynamic data in cache files, which are called directly by dynamic web pages without having to access the database. This caching technology is widely used by WordPress and Z-Blog. I have written a counter plug-in for Z-Blog myself, which is also based on this principle. Technical

If you really can't avoid accessing the database, you can try to optimize the database query SQL. Avoid using statements such as Select * from. Each query returns only the results you need, avoiding a large number of SQL queries in a short period of time.

. It is best to compare the same fields and minimize the function operations on the established index fields. Code optimization is needed if you want to achieve the extreme.

Third, external piracy is prohibited.

External websites or file piracy often bring a lot of load pressure, so the external theft chain of pictures or files should be strictly restricted. fortunately, at present, you can simply control the hotlink through refer, and you can prohibit it through configuration. IIS also has some third-party ISAPI that can achieve the same function. Of course, counterfeiting refer can also be used to achieve hotlink theft. However, there are not many people who deliberately forge refer hotlink, so we can ignore it or use non-technical means to solve it, such as adding watermarks to images.

Fourth, control the download of large files.

The download of large files will take up a lot of traffic, and for non-SCSI hard drives, a large number of file downloads will consume CPU, making the website less responsive. Therefore, try not to provide large file downloads of more than 2m, and if necessary, it is recommended to put large files on another server.

Fifth, use different hosts to divert the main traffic

Put the files on different hosts and provide different images for users to download. For example, if you think that RSS files take up a lot of traffic, then use services such as FeedBurner or FeedSky to put the RSS output on other hosts, so that the traffic pressure for others to access is mostly concentrated on FeedBurner hosts, and RSS does not take up too many resources.

Sixth, use traffic analysis and statistics software.

A traffic analysis and statistics software on the website can instantly know where a lot of traffic has been consumed and which pages need to be optimized. Therefore, accurate statistical analysis is needed to solve the traffic problem. The traffic analysis and statistics software I recommend is Analytics (Google Analysis). I feel that it works very well in the process of using it, and I will introduce some common sense and techniques of using Google Analytics in detail later.

Seventh: 4. Transaction processing:

a. Ensure data integrity, such as adding and modifying at the same time, both are executed if both are established, and both fail.

Mysql_query ("BEGIN")

Mysql_query ("INSERT INTO customerinfo (name) VALUES ('$name1')"

Mysql_query ("SELECT * FROM `orderinfo` where customerid=". $id ")

Mysql_query ("COMMIT")

Thank you for reading this article carefully. I hope the article "how to deal with high-traffic websites" shared by the editor will be helpful to everyone. At the same time, I also hope that you will support and pay attention to the industry information channel. More related knowledge is waiting for you to learn!

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