The Admin server process of Weblogic solves the problem of CPU consumption.1. The server CPU is exhausted for a period of 100%
The nmon diagram is attached below.
2. Two weblogicadmin server processes exhaust the CPU
Problem: 24298 processes occupy more than 4% of CPU resources
23529 processes, occupying more than 1%
Ffrpc
GitHub address https://github.com/fanchy/FFRPC
Ffrpc has been developed for one year. On October 10, June 6, I finally completed a satisfactory version, which is called v0.2. ffrpc implements a C ++ version of asynchronous inter-process communication library. I am a game server.ProgramIn the field of server programs, the system is distributed and each node needs to communicate asynchronously. My or
Data collection-Upgrade Nginx server, add HTTPS process problems encountered
tags (space delimited): Blog DevOps
Operation and maintenance students to help the server with SSL certificate, after modifying the Nginx conf file.
In the local test to send the data, the following JS code is placed under the browser execution浏览器当前访问页面可以是www域,这样可以确保引用ajax执行
$.ajax({ '
as the directory for storing cached data. The cache size for each processing is 32 MB. When the cache space reaches 95%, the new content will replace the old one instead of being directly added to the directory until the space drops to 90% again. If you do not want Squid to cache any files, such as some proprietary systems with limited storage space, you can use a null File System (which does not require those cache policies ):
Cache_dir null/tmp
In the following several cache policy configurat
HTTP Request Processing
HTTP requests first reach the Web server, which can be IIS, appache, and so on. These servers can all have their own interface extensions to enhance their functions, among them, IIS uses ISAPI extension to enhance functions, and Asp.net is a type of ISAPI extension.
IIS uses the extension of the requested resource to determine which ISAPI extension is used to process the request. The
Blog go to: HTTP://WWW.JIANSHU.COM/P/3667157D63BB, blog better effect to see the original, the purpose of this blog post is a bookmark it, need to be able to locate the original text learning 1, fault phenomenonCustomer Service colleague Feedback platform system runs slowly, the webpage is serious, the problem persists after restarting the system several times, using the top command to view the server situation, found that the CPU occupancy rate is to
527814231, fault phenomenonCustomer Service colleague Feedback platform system runs slowly, the webpage is serious, the problem persists after restarting the system several times, using the top command to view the server situation, found that the CPU occupancy rate is too high.2, high CPU consumption problem location 2.1, positioning problem processUse the top command to view resource usage, and find that the PID 14063
Article Title: the whole process of setting up a large website server. 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.
Website ServerMain Tasks:Set up large website servers based on development and design requirementsMain software:Apache + jboss + oracleAbbreviation: LA
Easy creation of nodejs server (10): Process uploaded images and nodejs upload images
This section describes how to upload an image and display it in a browser.
Here we will use the node-formidable module developed by Felix Geisend örfer. It abstracts the parsed file data.
To install this external module, run the following command in cmd:Copy codeThe Code is as follows:Npm install formidableIf similar infor
Webgis ArcGIS Server Publishing feature Service process resolution for online feature editingFeatureservice, also known as feature services, has the greatest benefit of supporting online feature editing and updating edits to a database in the background, which requires ARCSDE to provide access support for the geodatabase. Therefore, the source of the features in the feature service must be from ARCSDE.For a
Original: Getweatherbycityname (city), the server was unable to process the request. ---> Object references are not set to an instance of the object.Workaround: Do not use service reference directly, add as Web reference recently used C # in WinForm to make a weather forecast applet, searched the Internet a lot of information, including ready-made programs, such as Http://blog.csdn.net /qishuangquan/articl
']}) Print 'success to store the data!' defsend_message (self, data): Self._stream.write (data)#self._stream.write (' yessssssssssssss ') defOn_close (self):Print "A User has left the chat.", self._address Connection.clients.remove (self)classChatserver (tcpserver):defHandle_stream (self, Stream, address):Print "New Connection:", Address, stream Connection (stream, address)Print "Connection num is:", Len (connection.clients)if __name__=='__main__': Print "
FD returned by the accept (the binding is actually a function of acceptor binding tcpserver).The TCPServer Object Server then sets the callback function, which is called when the connection is established and when the message arrives.When you call Server.start (), the Threadpool_ in the server object is initialized (used for the new connection behind it), and the Listen function is then placed in the Loop
I believe many people are using ASP. NET 2.0 + sql2005 + aspnetdb (membership and other functions) This problem occurs: "An error occurred while starting the process of the user instance, resulting in the failure to generate a user instance of SQL Server. The connection will be closed .", The error message for the same problem in the English version is: "failed to generate a user instance of SQL
# Chmod-r 777/var/www/html/bbs/data// Note: -R can not be less, refer to the specific file, or point to the data all files under the , in manipulating this item, keep in mind that do not operate in the current directory, to be returned to the parent level directory to operate;Error 2 : Ucenter Info: Can not connect to MySQLServerError:Errno:0The reason for this error is that because the Linux server is running on a Windows
Installing IIS I spent almost three hours: first, briefly summarize the IIS installation process (accumulation of learning ha O (∩_∩) o~)
Step one: Download the installation package for IIS, and then start-Settings-Control Panel-Add Remove Program-Add/Remove Windows components, select Internet Information Services, next, next, install the process need to browse to find your downloaded IIS installation pack
In April 5, SQL Server 2000 database Asia was required to obtain only MDF and LDF files because of Hard Disk damage.I thought that only the MDF file was obtained.Exec sp_attach_single_file_db @ dbname = n' asiadb01 ',@ Physname = n'd:/Microsoft SQL Server/MSSQL/data/asiadb01_data.mdf'But the prompt is unsuccessful;Try again to build a database first, then separate it, delete the log file, and then execute t
. By setting up Samba under RHEL 5 and using Samba client software, two-way file sharing between RHEL 5 Host and widows host can be fully realized.Here is a brief introduction to the Samba construction process under RHEL 5:◆ [Root @ Linserv ~] # Rpm-qa | grepsamba◆ [Root @ Linserv ~] # Mount/dev/cdrom/mntMount: blockdevice/dev/cdromiswrite-protected, mountingread-only◆ [Root @ Linserv ~] # Rpm-ivh/mnt/Server
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