In PHP development, I often use timeout processing to timeout. I will talk about several scenarios, it is convenient for users who need to work in PHP development to use timeout handling to timeout. I will talk about several scenarios:
1.
In the PHP development work very much uses in the timeout processing to the timeout situation, I said several scenes:
1. Get data asynchronously if one of the backend data sources is unsuccessful, skip, not affect the entire page presentation
2. To
Preface
To understand the connection timeout problem between the browser and Apache, you need to understand the HTTP Keep-alive property first. First, a brief introduction to Keep-alive, you can find more detailed information from the Internet.
Both
Today found the site has a problem, httpd CPU occupied high.
Viewing the apache\logs\access.log Discovery Request Response time has reached a few hours and the HTTP status code is 500.
To view the configuration
Today, I found a problem with the site, and the httpdCPU usage remains high. View apachelogsaccess. log and find that the request response time has reached several hours, and the HTTP status code is 500. View the configuration
Recently, the number of threads that often Apache on the Web server runs to MaxClients (500), which affects the normal service. Normally, the number of Apache threads does not exceed 100, but it runs to 500, so it must be because some requests to
Configuration files control all aspects of the server, so you need to set these three files for normal operation of the server.
In addition to these three settings files, Apache uses the mime. types file to identify different files.For the
A profile controls all aspects of the server, so the three files need to be set up to run the server properly.
In addition to these three settings files, Apache uses the Mime.types file to identify different files
The corresponding MIME type, the
The configuration file of the Apache server is located in the usrlocalapacheconf directory. Traditionally, three configuration files httpd. conf, access. conf, and srm. conf are used to configure the behavior of the Apache server. Httpd. conf
Apache server configuration overview (1)
The configuration file of the Apache server is located in the/usr/local/apache/conf/directory. Traditionally, three configuration files are used: httpd. conf, access. conf and srm. conf to configure the
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