Why is Apache using so much memory?

How much RAM is Apache using?

When apache is running, ram usage is around 97%. While stopping apache, it becomes 30%.

Why are so many httpd processes running?

The upshot is that you have lots of processes because you have lots of connections. If your server is running slowly as a result then here are a few options: Optimise your application: profile your application’s code and try and optimise the areas that place the most load on the server.

Why are there so many Apache processes?

3 Answers. Apache is running multiple processes to have them ready when a client request comes in. Spawning a server process is slow, so it’s best to have one waiting for a client.

How do I allocate more memory to Apache?

You can achieve this performance boost by changing a few settings.

  1. Locate and open the httpd. conf file with a text editor. …
  2. Locate the following settings within the httpd. …
  3. Update the StartServers, MinSpareServers, MaxSpareServers, ServerLimit, MaxClients and MaxRequestsPerChild values. …
  4. Save the httpd.

How can I make Apache faster?

Here are top 5 ways to speed up Apache web server.

  1. Use Apache Latest Version. Every Apache version contains performance improvements that make it faster than previous versions. …
  2. Use Disk based caching. …
  3. Choose the right MPM module. …
  4. Use mod_gzip/mod_deflate modules. …
  5. Do Not set High KeepAliveTimeout.
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What is Max clients in Apache?

By default, Apache comes preconfigured to serve a maximum of 256 clients simultaneously. This particular configuration setting can be found in the file /etc/httpd/conf/httpd. conf (though the location of the file may vary, depending on the Linux distribution you use).

What is usr sbin apache2?

Hence /usr/sbin/apache2 is the apache2 command’s full path, as in where apache2 command lives and its binary. Where as all apache2 related files in /etc are its configuration files.

What is the purpose of initiating multiple apache2 processes?

Apache starts automatically some child processes that apache can answer multiple request faster. So the daemon don’t have to fork another new process for every new request. Such a child process have a life cycle configured by several directives in your apache config.

What is Apache MPM?

Apache 2 introduced Multi-Processing Modules, or MPMs. The MPMs change the basic functionality of the web server. They do this by modifying how Apache listens to the network, accepts, and handles requests. A lot of this functionality is rather technical and outside of the purview of this article.

Where is the httpd conf file?

If you installed httpd from source, the default location of the configuration files is /usr/local/apache2/conf . The default configuration file is usually called httpd. conf .

How do I run two Apache servers?

2 Answers

  1. Install Apache on your server sudo apt-get install apache2 sudo apt-get install libapache2-mod-perl2 sudo apt-get install other-lib-mods-needed.
  2. Configure separate apache configurations for each instance you want to run. …
  3. Configure the init scripts to start apache with the appropriate config file.
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What is Apache child process?

A single control process (the parent) is responsible for launching child processes. Each child process creates a fixed number of server threads as specified in the ThreadsPerChild directive, as well as a listener thread which listens for connections and passes them to a server thread for processing when they arrive.