HSLAB HTTP Monitor apache performance tools. Now you can see your visitors!
Apache web server is an open source HTTP server product. Apache is the most used web server on the Internet, about 70 percent’s of the web sites worldwide on Internet are running Apache web server. Web server performance can be improved in a different ways: by adding extra hardware resources like memory (RAM), use modern, faster, multicore CPU or multiprocessor system, using RAID disk arrays as data storage etc. But you can achieve the same result by proper configuration of your web server.
HSLAB HTTP Monitor is designed to help you get maximum apache performance using your existing hardware configuration, specifically on UNIX like systems. It is also assumed that there is enough hardware power: enough RAM that the server isn't using swapping so frequently. The run-time tuning is most important on a live system. Assumed that server is compiled with prefork Apache MPM.
To provide high scalability and functioning, a large amount of a web sites are used the multi-tier server model, HTTP server works as the front-end for the various middleware application like J2EE, PHP, .Net, etc. Site logic also functioning in the mid-tier architecture, database server like MySQL, Oracle or other at the backend.
In this architecture, the web server plays a key role since all visitors are connected to the other tiers through the web server and hence, any problem with the web server or any delay can negatively affect the operation of the site visitor. The availability of an web server and Apache performance, response time for the site are the most critical metrics of web site functioning. These rates can vary from site to site and even from request to request. For example, one component of a Web application can operate when the user is logged on the site, while another set of components may be involved in further work. It is therefore necessary to monitor the functioning of Apache based availability and response times for individual components as well as for individual transactions for users of the website.
HSLAB HTTP Monitor web server monitoring software uses request emulation to monitor Web transactions on the monitored site. These requests are sent periodically (synthetic requests) from one or more locations on the site and controlled by the availability and response time for each request. This simple and elegant solution for monitoring the web server provides high accuracy of the Apache load simulation on the Web server and allows you to optimize server load to meet the site requirements.
The software allows you to keep track of how absolutely all requests and specific, filtered according to the rule by using regular expressions. Accurate to say that the module always processes only those requests that match the filter containing the regular expression.
HSLAB HTTP Monitor Standard Edition
Standard edition of the HSLAB HTTP Monitor software allows system administrators and web masters quickly check web server status and functioning. Standard edition provides basic functionality, but nevertheless has enough for the analysis of the web server status. read more..
HSLAB HTTP Monitor Professional Edition
Professional edition is intended for in depth web server analysis. This edition can be used for monitoring of parameters and operation for heavily loaded servers with a huge quantity of connections. read more..
HSLAB HTTP Monitor Lite Edition
HSLAB HTTP Monitor Lite is a simple basic solution for visualization of the connections and pages load speed data for Apache servers in real-time. The information is collects remotely, the server and the HTTP Monitor can works in different places without any restrictions. Lite (freeware) edition is intended for web server analysis. This edition can be used for monitoring of parameters and operation for simple servers with a small quantity of connections. read more..
Apache is a modular program, most of the functions of which is implemented in modules. However, these modules can be compiled and assembled into a DSO - dynamic libraries. Most modern distributions come with a set of apache DSO, so it is not necessary modules can be easily disabled without recompiling.
Run with only the necessary modules to reduce memory consumption. If you decide to compile apache yourself, or carefully in choosing the list of modules that enable you, or compile them as a DSO using apxs to apxs2 apache1 and in apache2. To disable unneeded DSO- modules, enough extra comment lines LoadModule in httpd.conf. Apache with statically compiled modules will consume a little less memory, but you have to recompile it every time to change the list of modules.
In apache, each request is handled in a process or thread. When you compile apache allows you to choose one of several MPM (Multi-processing module), which are responsible for listening ports, intake of requests and the distribution of these requests child processes or threads in which these requests will be processed. The choice of MPM depends on several factors, such as the availability of thread support in the OS, the amount of free memory, as well as the requirements of stability and security. If security is important to choose peruser MPM, sacrificing performance. If pages load speed is important it is, then the choice is limited to two mpm: prefork and worker.
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