mp2 maintenance

1) load capacity is preferred--and then optimized--failure to comply with this rule will inevitably lead to downtime. Do not optimize under the pressure of downtime--focus on increasing load capacity first.2) Take Postgres as an example, make sure that each of your networks matches your Wal file, slony replication, snapshot technology, and disk-based DB versioning (snapshot derivatives)3) do not "optimize" the problem into your architecture. In order to solve the problem, some of the newly added

How to maintain and maintain a computer to maximize its service life is a topic of great concern to everyone. Daily maintenance cannot be relaxed The impact of the environment on computer life cannot be ignored. The ideal working temperature of the computer is 10℃-35℃, too high or too low will affect the service life of computer accessories. Its relative humidity is 30%-75%. If it is too high, it will affect the performance of CPU, graphics card and

I. Oracle DatabaseManagement and Maintenance of pattern objects 　　 This section focuses on Oracle DatabaseManagement and Maintenance of schema objects. These schema objects include tablespaces, tables, views, indexes, sequences, synonyms, aggregation, and integrity constraints. For each mode object, we first describe its definition, describe its function, and finally describe its function based on SQLLangua

1. Preface . NET Framework is a computer configuration and applicationProgramConfiguration and Security Information defines a set of standard configuration files. The memory ing and access of these configuration files are supported by the configuration assembly. For some large-scale application systems and software in specialized fields, configuration information compilation and maintenance is a complex task. A while ago, due to the working relatio

Today, I was woken up by the phone while I was asleep. One of the users's computers was broken. In fact, this was not related to me. Their company had its own maintenance staff, but they thought ......, The first scene of the problem is always called me. I had to get up after a simple restart confirmation on the phone. When I got there, I had to restart the computer first, and then I saw that the hard drive on the computer was broken. It was really sl

Random fault is a common fault encountered in the process of computer use, due to the failure of the crash is uncertain, the nature of the operation is not fixed, and the crash occurs, the phenomenon is not uniform, so the scope of the fault occurred is not easy to determine, to repair work brought a certain degree of difficulty. According to a large number of maintenance cases, the reason for the random crash failure is mainly as follows: three. I.

IC damage. Dark line is generally the body of the screen has leakage, or tab flexible plate wiring open. The above two kinds of problems are basically to the machine sentenced to death, there is no maintenance value, because a screen price is too high. 5. Flower screen or screen This problem is generally the screen of the driving voltage out of the problem, first change the drive plate and drive screen test, if not check the screen backplane power

A notebook hard disk is an essential part of a computer, and all of the data on your computer is stored on your hard disk. Therefore, if you want to use the hard disk long life, it is inseparable from our day-to-day maintenance. Hard disk belongs to mechanical parts, so the daily maintenance and maintenance of the significance of a very large, correct use and

Notebook computer hard disk is very easy to damage the parts, because notebook portability, notebook constantly moving and changing the environment, the notebook will inevitably because of vibration or a variety of adverse environment to produce a variety of faults, hard disk damage small, important data loss is big, so the maintenance of notebook hard disk is very important, The following article is about the notebook computer hard disk

Original address:Http://hi.baidu.com/wader2006/blog/item/78406b60b51f8b47ebf8f8f0.htmlDB2 Common Command Set----DB2 maintenance 2007-09-09 10:10 in the DB2 development process, the whole development process also has a very important part of the work is the maintenance of the database, for the maintenance of a huge information system is very necessary; Leave a sim

Http://hi.baidu.com/wader2006/blog/item/78406b60b51f8b47ebf8f8f0.html DB2 Common Command Set----DB2 maintenance 2007-09-09 10:10 in the DB2 development process, the whole development process also has a very important part of the work is the maintenance of the database, for the maintenance of a huge information system is very necessary; Leave a simple

Keyword This is the SEO optimization of the focus, Seoer's goal is to let the keyword row up, resulting in flow, bring benefits. In addition to the early keyword mining and layout, optimization of the medium-term target keyword optimization and the later keywords continue to dig, overall keyword this piece is a do not finish, and in the station analysis is the most common is how to improve the keyword ranking of this block, for the late maintenance of

Tags: and view terminal Advantage install Oracle query database Oracle database through1. Types and Status of Oracle database clientsAt present, Oracle Database Maintenance management, usually using the client software: PL/SQL developer,sql* plus,toad,em, such as data management, maintenance and other operations. Most of these tools are bundled with Oracle, based on the C/S mode connection, command line bas

2nd part Database SQL languageMaintenance of the databaseFor some large software products, once commercially, it is necessary to store a lot of user information, which brings pressure on the database used by the product ( hereinafter referred to as the business Database ) . In order to ensure the smooth operation of the business database, it is necessary to do some basic maintenance operations on the database in daily work.The

, and set strong passwords or disable them directly. (some hacker tools exploit the weakness of guest, the account can be upgraded from an ordinary user to an Administrator group .) 3. In addition to administrator accounts and services, all users must be disabled or deleted. (1) website accounts are generally used only for system maintenance. Do not use one redundant account, because one more account is at risk of being broken. (2) In addition to the

Cisco LAN switches are still commonly used. So I studied the maintenance and configuration problems of Cisco LAN switches. I would like to share them with you here, hoping to help you. Cisco LAN switches have evolved from a HUB-based LAN shared in the traditional sense to a broader space. Take Cisco's ipvst5000 series Cisco LAN switch as an example. It includes an integrated switching hardware structure, 10-Mbps Ethernet that supports switching, and-M

This time, I was lucky enough to help my sister with basic maintenance of the examination system. The direct point was to manage the examination staff, add, delete, modify, and query. The most important thing was to query the students and check the information given by the teacher, finally, confirm the examination personnel. During the query process, they encountered such a situation: when checking the English examination personnel, in order to facili

Article Title: four tips for linux system maintenance are learned step by step. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. Linux servers are relatively more stable and secure than Windwos servers. However, to do this, you must first sharpen your tools. Stable and secure Linux servers are still inseparable from

proposed, he will say, "I know a tractor seller. You can take a look at it ." One important reason why software maintenance is so painful is that the demand has been forgotten. Demand is an activity that has direct commercial value to users and should not involve any function implementation methods. Multiple solutions can be used to implement the same requirement. Each solution has its own functional method. The crucial functional points in a sol

Alas, it was a very laborious and time-consuming system maintenance. In order to facilitate summarization and consideration, we made notes on this system maintenance! I. cause of the problem: A few more days later is the Spring Festival. However, in the week before, the customer's system was maintained again (Have you ever seen any software with monopoly ?). During the customer's system