Clear Swap Memory

This usage is very practical for the following applications: write-intensive cache embedded systems that precede a slow RDBMS system require a lightweight database and a unit test that data in the library can easily be purged without the need for a persistent data-compliant PCI system (testing) If all this could be done, it would be elegant: we would be able to manipulate http://www.aliyun.com/zixun/aggregati without involving disk operations ...

Everyone wants the computer to start immediately into the Windows system without waiting, or the system in the use of the time will not be more and more slow, but for a variety of reasons often make these wishes can not be achieved, or even a startup on the crash or use the situation is more and more slow to occur often. In fact, sometimes Windows start slow is not its own problem, but some equipment or software. This article is the software, hardware and virus three major aspects to analyze the system slows down the reason, and provides a system-specific acceleration techniques. ...

is direct-attached storage obsolete? Direct-attached storage is what we often call Das (direct-attached storage), usually the storage media that is installed inside the server or installed in an expansion enclosure directly connected to the server. There must be a fixed binding connection between the DAS storage and the server, so there is no network structure between them, but direct data read and write. Das has been considered a inefficient structure in the way servers and storage are connected, and it is not convenient for data protection. Direct-attached storage cannot be shared, so often out of ...

Analysis of automatic restart failure to solve the problem of automatic restart failure solution One, software, 1, virus > "shock wave" virus outbreak will also prompt the system will automatically start in 60 seconds. Trojan programs remotely control all your computer's activities, including getting your computer restarted. Remove virus, Trojan, or reload System 2, System files damaged system files are destroyed, such as Win2K under the Kernel32.dll,win98 fonts directory, such as the font of the system when the basic files are destroyed, the system will be started without ...

Note: This article starts in CSDN, reprint please indicate the source. "Editor's note" in the previous articles in the "Walking Cloud: CoreOS Practice Guide" series, ThoughtWorks's software engineer Linfan introduced CoreOS and its associated components and usage, which mentioned how to configure Systemd Managed system services using the unit file. This article will explain in detail the specific format of the unit file and the available parameters. Author Introduction: Linfan, born in the tail of it siege lions, Thoughtwor ...

As the most popular Web application language of our time, PHP is too cumbersome, unless you choose Cloud Extension or NoSQL Background, otherwise it will be a very troublesome process. The power of PHP versus traditional relational databases is that they allow junior developers to quickly find the key features of some applications. Unfortunately, the default runtime environment used by PHP is not only confusing but also difficult to scale. There may be a lot of people do not care about the maintainability of PHP. Their PHP application is discarded, its load is quite heavy, and often runs in parallel ...

See a variety of 12306 kneeling to lick the paste so that I can not see the past. 　　Although it has been said that no longer for this rubbish topic to write things, once again an exception to say, although it is very disgusting. 　　Before writing this article, I would like to say a few of my views, if you do not agree to these points, there is no need to waste time to continue to look down. 　　These are prerequisites. Let's start by saying that we know about the post-it. I said this paste is a wash, not to say that the highest ranked respondents is the Baptist party, but this paste really played a role in washing ...

As the most popular open source database, MySQL is widely used in Web applications and other small and medium-sized projects. However, in many large IT companies, MySQL has gradually deviated from the original open source version after being highly optimized and customized, more like a branch, such as the Webscalesql of Facebook, which was not long ago open source. 　　Recently, Mr. Xiong has published a blog post, from the perspective of large-scale web site architecture development of the changes in MySQL application, here for you to share. This article mainly describes the different and ...

CCTV's 3.15 party this is the consumer as the "most want to see the TV show", the reason is that CCTV's party every year will reveal a batch of production of fake and shoddy products, including well-known enterprises and multinational companies, not only the national consumer concern, and the state industry and commerce and other relevant management departments are eyeing, Ready to Wenfengerdong, so every year near 3.15, many enterprises are like "exam" as nervous! Busy with a lot of corporate public relations manager at the same time, will also be happy 3.15 party to stay in the hotel sales manager, because corporate PR ...

In the early stages of development, a single processor can power a server and all its applications. Then it developed into a multiprocessing era, when two or more processors shared a single storage pool and were able to handle more and larger applications. Then a server network appears, each server in the network specializes in different application sets. Now, with the server cluster, two or more servers work like a server, delivering higher availability and performance, far beyond your imagination. Applications can be moved from one server to another, or run on several servers simultaneously-...