![]() A single site potentially can consume all CPU, IO, Memory resources or Apache processes and this may bring the server to a complete grinding halt. And, most of these support CGI and FastCGI scripts – written in a number of languages, such as Perl, Python, and the most popular, PHP. Most Linux servers in today’s shared hosting environment runs Apache web servers. ![]() While any decent web hosting will not place hard limits on most of the resources, there are some that need to be proactively regulated so that one individual or account do not consume everything. ![]() The more accounts your provider stuffs on the server, the more noticeable slow disk I/O becomes. In a web hosting environment, a web server must support hundreds perhaps thousands of sites simultaneously while creating a well-balanced server environment. I/O processes to an HDD are particularly slow when compared with solid-state memory such as RAM, HDD I/O is, on average, 2,000 times slower. ![]() On a server, a disk I/O describes every process that involves writing to or reading from a storage device which on a shared web hosting server will be the hard disk drive, or HDD. I/O (input/output defined as KB/s) is just the “throughput” or speed of data transfer between the hard disk and the RAM. ![]()
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