What Is MaxRequestWorkers?

by | Last updated on January 24, 2024

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MaxRequestWorkers Directive

For non-threaded servers (i.e., prefork ), MaxRequestWorkers translates into the maximum number of child processes that will be launched to serve requests . The default value is 256 ; to increase it, you must also raise ServerLimit .

How do I change MaxRequestWorkers in Apache?

  1. Log in to WHM as the root user.
  2. Navigate to Home »Service Configuration »Apache Configuration »Global Configuration.
  3. Update the “Max Request Worker” value.
  4. Select Save.

How do you increase MaxRequestWorkers?

To increase it, you must also raise MaxRequestWorkers using the following formula: ServerLimit value x 25 = MaxRequestWorkers value . For example, if ServerLimit is set to 20, then MaxRequestWorkers will be 20 x 25 = 500. MPM Prefork: The default MaxRequestWorkers value is 256.

How can I make Apache faster?

  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.

How do I increase Apache requests per second?

  1. Install MPM module. We need to install MPM Apache module to be able to increase Apache requests per second. ...
  2. Increase Max Connections in Apache. Open MPM configuration file: ...
  3. Restart Apache Server. Restart Apache web server to Apply changes.

How do I change MaxRequestWorkers?

To increase it, you must also raise MaxRequestWorkers using the following formula: ServerLimit value x 25 = MaxRequestWorkers value . For example, if ServerLimit is set to 20, then MaxRequestWorkers will be 20 x 25 = 500. MPM Prefork: The default MaxRequestWorkers value is 256.

What is Apache MPM?

The Apache Web Server comes with a Multi-Processing Modules (MPMs) mainly ‘prefork’ MPM and ‘worker’ MPM which are responsible for binding to network ports on the machine, accepting requests, and dispatching children to handle the requests.

What is MaxClients in Apache?

Apache web server has a configuration option called MaxClients. MaxClients determines the maximum number of concurrent connections that Apache will service . The more child processes that are spawned the higher the memory usage so MaxClients is an important server tuning option. ...

How does Apache work?

Worker. The Worker MPM turns Apache into a multi-process, multi-threaded web server. Unlike Prefork, each child process under Worker can have multiple threads. As such, Worker can handle more requests with fewer resources than Prefork.

What is Apache child process?

For each child process, Apache assesses the number of idle threads and creates or destroys threads to keep this number within the boundaries specified by MinSpareThreads and MaxSpareThreads . ... The User and Group directives are used to set the privileges of the Apache child processes.

How do I know if Apache Cache is working?

A simple test to verify a working cache: Request a URL, e.g. curl “http://mydomain/my/page?test_param” Check that the HTTP status code is either 200, 203, 300, 301 or 410 (only those are cached, see https://httpd.apache.org/docs/2.4/caching.html)

How do I increase my Apache response time?

  1. Use Reliable and Fast Web Hosting. ...
  2. Use a CDN. ...
  3. Optimize Databases. ...
  4. Keep WordPress Lightweight. ...
  5. Monitor PHP Usage.

What is Apache tuning?

Available Languages: en | fr | ko | tr . Apache 2. x is a general-purpose webserver, designed to provide a balance of flexibility, portability, and performance. Although it has not been designed specifically to set benchmark records, Apache 2.

Which is better Nginx or Apache?

At serving static content, Nginx is the king!

It performs 2.5 times faster than Apache according to a benchmark test running up to 1,000 simultaneous connections. Nginx serves the static resources without PHP having to know about this. On the other hand, Apache handles all those requests with that costly overhead.

How many requests per second can a Web server handle?

The from-the-box number of open connections for most servers is usually around 256 or fewer , ergo 256 requests per second. You can push it up to 2000-5000 for ping requests or to 500-1000 for lightweight requests.

How configure httpd conf?

General Configuration Tips. If configuring the Apache HTTP Server, edit /etc/httpd/conf/httpd. conf and then either reload, restart, or stop and start the httpd process as outlined in Section 11.3, “Starting and Stopping httpd ”. Before editing httpd.

Rachel Ostrander
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Rachel Ostrander
Rachel is a career coach and HR consultant with over 5 years of experience working with job seekers and employers. She holds a degree in human resources management and has worked with leading companies such as Google and Amazon. Rachel is passionate about helping people find fulfilling careers and providing practical advice for navigating the job market.