When a blog is developed into a well-known blog, blog access is usually very large, using the use of virtual host, personal blog due to the large number of visits often will cause server performance problems, this is a lot of people's troubles, someone used to cancel RSS and other wrong way to solve the problem, is clearly the wrong medicine, So for the site to bring the problem of large traffic, the correc
also many sites will use the CDN reason, because the CDN can protect us against the attack of large traffic attacks, ordinary attacks (such as injection, etc.), only normal traffic will be forwarded to the site.Here are a few more nouns:0x01 Exploration Tour
When we were doing the OPENCDN test, we had some minor problems. Find a site that no one has access to that actually has
In our well-designed campus network, if the network is suddenly slow, in the teaching time of important data, the response time left to the system administrator is only more than 10 minutes or even a few minutes. Also, the worm's impact on the speed of the network is getting worse, for example, "network Sky" and other mail worms, they cause infected users as long as the internet is non-stop to send e-mail, the virus select the user's personal computer in the random documents attached to the user
Common P4 servers generally support up to 0.1 million independent IP addresses per day. If the traffic volume is larger than this, you must first configure a dedicated server with higher performance to solve the problem.
Common P4 servers generally support up to 0.1 million independent IP addresses per day. If the traffic volume is larger than this, you must firs
Brief introductionTcpcopy is a real-time replication tool for TCP traffic, and its 1.0 version is developed and maintained by NetEase engineers @tcpcopy. It is generally used to replicate the production environment's online traffic to the test environment in real time for testing. For example, before the new system goes live, if we want to perform some basic stress testing, we can use Tcpcopy to replicate t
Method/Step
First, verify that the server hardware is sufficient to support the current traffic normal P4 servers generally support up to 100,000 independent IPs per day, and if the traffic is larger than this, then you must first configure a higher-performance dedicated server to solve the problem, Otherwise, opti
the evolution process of large Web site system architecture from stand-alone to billion-level traffic
Stage One, stand-alone build Web site
At the beginning of the site, we often run all our programs and software on a single machine. At this point we use a container, such as Tomcat, Jetty, Jboos, and then use the Jsp/servlet technology directly, or use some open source frameworks such as Maven+spring+struct+hibernate, maven+spring+ Springmvc+mybatis
First, check whether the server hardware is sufficient to support the current traffic. Common P4 servers generally support up to 0.1 million independent IP addresses per day. if the traffic volume is larger than this, you must first configure a dedicated server with higher performance to solve the problem, otherwise, h
article.
For example Using the most popular CNZZ statistics or 51.la statistics sites today, used by the webmaster know that these two statistics have the so-called VIP or VIP customer concept, according to the inverse fire analysis, this phenomenon is actually with their statistical mechanism, the so-called a machine can carry how much traffic directly related, when a site more than a certain amount of traffic
First, verify that the server hardware is sufficient to support current traffic. Ordinary P4 server can generally support up to 100,000 independent IPs per day, if the traffic is larger than this, then you must first configure a more high-performance dedicated server to solv
telnet terminal simulation method to obtain IP traffic. In Cisco IOS v.11 and later versions, the http Server feature is provided. Users can manage cisco routers on the WWW page and can easily collect IP traffic without any programming. For security reasons, you can also restrict access to the server's clients. The method is as follows:
Access-list 10 permit 20
traffic is an index that a site manager is very concerned about, and the flow rate measures the value of our website. And the traffic we're talking about today is different from website traffic. What we're going to talk about today is the flow of space. For example, the site of a picture is 1M, by a netizen traffic onc
This article describes the PHP development of the Web site how to deal with large traffic and high concurrency problems, the need for friends to refer to it.How does a PHP website handle high traffic and concurrency?First, verify that the server hardware is sufficient to support the current traffic. Ordinary P4 servers
Real-time monitoring tools for network traffic under LinuxHotelbooking
Found in the work, often because of business reasons, need to immediately understand the traffic of a server network card, although the company also deployed cacti software, but cacti is five minutes of statistics, there is no immediacy, and sometimes open the monitoring page is inconvenient,
/adminstancThis command would create the administration server. The password is provided would be required to access the administration server.Enter admin-user-password>Enter Admin-user-password again>OTD-70214 The administration server has been configured successfully.The server can be started by executing:/home/weblogic/adminstanc/admin-
# # #情景With Zabbix monitoring, there is an irregular flow of traffic between an application and a database (and not frequent), specifically, the incoming traffic to the application server and the outbound traffic to the database server will have a short time (usually about a
, the number of seconds between each display pause.Press CTRL + C to stop displaying the statistics again. If omitted, the NetstatThe current configuration information is printed once.Third, netstat real-time monitoring IP connection numberIf the server is being attacked by traffic, or other scenarios that need to see the number of IP connections, you can use the following command to monitor the number of c
Access | concept | traffic | statistics
The basic meaning of website traffic statistics:Website traffic statistics, refers to the site access to the relevant indicators for statistics, commonly used Web site traffic statistics include three categories: (1) Web site traffic i
From Network Management and O M
One day, the moon is dark and the cold wind is fierce. Confused, a burst of calls sounded, and the caller told us that the bandwidth of several data centers had soared and needs to be handled immediately. Otherwise, the IDC service provider would need to unplug the network cable. It may be about 2 o'clock in the morning. It's really sad!
Log on to the monitoring system to view the traffic. At ordinary times, the bandw
Introduces a powerful analysis of the network shell script, this script is split from the ezhttp, feel the need to introduce separately.
Screenshot of script run effect:
This script contains features such as:
1, real-time monitoring of any network card traffic2, statistics in 10 seconds average flow3, statistics of each port in 10 seconds of the average flow, based on client and server-side port statistics. can see which end population
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