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optimization analysis report, analyze the user's application type and user behavior, evaluate and modify the parameter setting of Oracle database, evaluate and adjust the data distribution of Oracle database, evaluate the use of hardware and system, and make suggestions. ; Using advanced performance tuning tools to implement database performance tuning;For our technical staff to adjust the results of the analysis, the feasibility of judgment and reco
]# chkconfig httpd off[[emailprotected] html]# /etc/init.d/httpd stop停止 httpd: [确定]Modify the Haresource file (two machines are to be modified)[[emailprotected] ha.d]# cat haresources heartbeat-1-130 IPaddr::192.168.1.131/24/eth0:1 httpdHTTPD is a service for heartbeat monitoring, and it is also the core service provided by two machines externally.9. Production scenario application for heartbeat call resourcesThere are two ways to implement high-ava
When the application is in maintenance, we can temporarily close the program, the specific use is to use
PHP Artisan Down
Artisan is a program in the root directory of Laravel, and when this command is executed, the app in the app/start/global.php file is called::d own function
When maintenance complete buckle, use PHP artisan up to enable the
Professional operation and maintenance servicesDescription: Undertake a variety of operation and maintenance work, can provide 5*8 operation and maintenance services, if the need for price negotiableOne, operation/system Architecture solution 300 RMB/timeSecond, common environment Deployment Java (Tomcat), PHP (LANMP)
Precision operation and Maintenance is an IT operation and maintenance service method, it is through a series of methods to grasp the characteristics of the service object information system and the business characteristics of the information system services, to find the target, grasp the pulse of the enterprise operation, so as to accurately plan
Linux scheduled monitoring and maintenance services
Taking the encryption and decryption service as an example, I provide the encryption and decryption service. Others call my service. Because Linux machines are remote, I don't know where the machines are in a specific environment, I don't know if the machine is restarted. I need to maintain the stability of my services
This article is from Chapter 5 Application Service and localization of ASP. NET Ajax program design Article II: client-side Microsoft Ajax library.
Identity Authentication and User PersonalizationProgramThe use and implementation methods of services in actual projects are extremely variable. Therefore, ASP. NET 2.0 provides powerful customization capabilities in the form of custom providers.
Referenc
When the application is in maintenance, we can temporarily close the program, the specific use is to usePHP Artisan DownArtisan is a program in the root directory of Laravel, and when this command is executed, the app in the app/start/global.php file is called::d own functionWhen maintenance complete buckle, use PHP artisan up to enable the applicationAPP::d Own
ABP Application Layer-Application service (application services)Click here to go to the ABP series articles General CatalogueDDD-based Modern ASP.--ABP Series 15, ABP Application Layer-Application service (
Notes:When using the Excel Services web services interface application, you must first reference the Excel Web Services in the project, and then addThe Web services of this Excel service can be searched locally on the server!
You can directly access the Excel file in the doc
Application of Windows Services and WebService services in ASP. NET MVC to develop distributed timersOne: Chat:1. Now the task tracking management system has been developed is almost over, take a little time to write, think of yourself have a sense of accomplishment ah!!2. Questions about the Windows services encounter
Develop series-API Guides-application components-Services,-api-servicesServices
Services: It can be run on the backend for a long time without a UI.
Started:
Services is started by calling startService through other components, and can run continuously in the background even if its components have been destroyed.
and Oliver Sims define business components as follows:
Software Implementation of autonomous business concepts or business processes. It contains all software products necessary to represent, implement, and deploy a specified business concept as an autonomous and reusable element of a large-scale distributed information system. [Herzum00]
Business components are software implementations of business concepts. In the lifecycle of business applications, they are the main unit of design, implementa
Chapter I basic principles and methods of computer maintenance
The principles and methods described here are the basis of the second part of the classification judgment, which needs to be conscientiously complied with.
§1.1 the basic principles of computer maintenance should be followed:
First, the maintenance judgment must start from the simplest thing
Simple t
Develop series-API Guides-application components-Services-AIDL,-api-services-aidlAndroid Interface Description Language (AIDL)
AIDL defines the interfaces that clients and servers comply with for inter-process communication.
Note: AIDL Application Scenario: clients from multiple applications access the service through
At noon one day, some users reported system problems one after another, saying that the process was abnormal, the to-do list was not gone, and the to-do list could not be opened. The Maintenance Engineer began to analyze the problem. The clear background phenomenon was that the flow log records failed to be inserted into the data. The manual test table was inserted successfully. Other phenomena were varied and irregular. After the efforts of multiple
= "$ rundir"/var "$ @"-O max_connections = 500-O wait_timeout = 600-O key_buffer = 32 M -- port = 3402 -- socket = "$ rundir "/mysql. sock Note:-- Pid-file = "$ rundir"/mysql. pid -- socket = "$ rundir"/mysql. sock -- datadir = "$ rundir"/varThe purpose is to put the corresponding data and temporary application files together;-O is generally followed by the global variable optimization Parameter for server startup, and sometimes needs to be adjusted
/safe_mysqld--user=mysql--pid-file= "$rundir"/mysql.pid--datadir= "$rundir"/var "$@" \-O max_connections=500-o wait_timeout=600-o key_buffer=32m--port=3402--socket= "$rundir"/mysql.sock Comments:--pid-file= "$rundir"/mysql.pid--socket= "$rundir"/mysql.sock--datadir= "$rundir"/varThe purpose is to put the corresponding data and the application of temporary documents together;-O is generally the server to start global variable optimization parameters, s
MySQL service maintenance and application design Note (2) 3. MYSQLD stop script: stop_mysql.sh
#! /Bin/sh
Rundir = 'dirname "{GetProperty (Content )}"'
Echo "$ rundir"
/Home/mysql/bin/mysqladmin-u mysql-S "$ rundir"/mysql. sock shutdown
The advantages of using this script are:
1. start multiple services: you only need to modify the -- port = parameter in the s
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