1.1: Increase the secondary data file from SQL SERVER 2005, the database does not default to generate NDF data files, generally have a main data file (MDF) is enough, but some large databases, because of information, and query frequently, so in order to improve the speed of query, You can store some of the records in a table or some of the tables in a different data file. Because the CPU and memory speed is much larger than the hard disk read and write speed, so you can put different data files on different physical hard drive, so that the execution of the query, ...
Server performance is becoming more robust as CPUs, memory, and storage technology evolve. For example, CPU manufacturer Tilera Corp. recently released the TILE64 family multi-core processor. The processor contains 64 separate processor cores, and each core is a fully functional processor. Each core contains L1 and L2 caching, which means that these cores can support a full operating system (OS) independently. The physical server technology has elevated memory management to a new level. For example, HP Proliant DL580 G7 server, with 64 ...
It is well known that the system reads data from memory hundreds of times times faster than it does from the hard disk. So now most of the application system, will maximize the use of caching (in memory, a storage area) to improve the system's operational efficiency. MySQL database is no exception. Here, the author will combine their own work experience, with you to explore the MySQL database Cache management skills: How to properly configure the MySQL database cache, improve cache hit rate. When will the application get the data from the cache? Database read from server ...
As we all know, Java in the processing of data is relatively large, loading into memory will inevitably lead to memory overflow, while in some http://www.aliyun.com/zixun/aggregation/14345.html "> Data processing we have to deal with massive data, in doing data processing, our common means is decomposition, compression, parallel, temporary files and other methods; For example, we want to export data from a database, no matter what the database, to a file, usually Excel or ...
As we all know, the big data wave is gradually sweeping all corners of the globe. And Hadoop is the source of the Storm's power. There's been a lot of talk about Hadoop, and the interest in using Hadoop to handle large datasets seems to be growing. Today, Microsoft has put Hadoop at the heart of its big data strategy. The reason for Microsoft's move is to fancy the potential of Hadoop, which has become the standard for distributed data processing in large data areas. By integrating Hadoop technology, Microso ...
In fact, in order to ensure the Oracle database running in the best performance state, the database optimization strategy should be considered before the http://www.aliyun.com/zixun/aggregation/32730.html "> Information system development." Optimization strategy generally includes server operating system parameter adjustment, Oracle database parameter adjustment, network performance adjustment, application SQL statement analysis and design, in which the application analysis and design is before the information system development ...
As an outstanding representative of the Object relational database, Oracle is undoubtedly the most powerful. Whether it's the size of the database, the support of multimedia data types, the parallelism of SQL operations replication, or the security services, Oracle is much stronger than Sybase, Informix, Added to the latest version of the Oracle8.0.4 is to enhance the characteristics of this, but also introduced a number of new features, such as: Data partitioning (partitioning), Object-relational technology (objects relational T ...
Eliminate the single point of distributed deployment scheme, login server and game server multiple deployments, and provide the same service externally, at the same time configure load balance for traffic allocation. For burst flow, Cloud Server (ECS) can be used to expand the performance of the cloud server to increase the amount of traffic. Enable relational database (RDS), compatible with MySQL, SQL Server, and significantly improve database performance. Game Distributed Deployment architecture interpretation load balancing SLB can extend the service capability of the application system through traffic distribution, by eliminating the single point of failure to improve the application system ...
Zhang Fubo: The following part of the forum is mainly four guests, talk about cloud practice. Beijing First Letter Group is the Beijing government's integration company, mainly responsible for the capital window of the construction, they are also in the domestic, in the government industry earlier in a company, as the first letter Group Technical Support Center General Manager Zhang Ninglai for us to do the report. Zhang: Good afternoon, we have just introduced, I am from Beijing First Letter Development Co., Ltd., I bring today is the result of our practice in cloud computing technology these years. Today is mainly divided into three parts, we mainly do is the field of e-government applications, we are mainly ...
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