Query regarding performance-differences, in using a "servlet" VS "PHP module"

[Ajay Garg <ajaygargnsit@xxxxxxxxx>]

Hi all.

I was just doing some rudimentary research on what would be the best solution to implement server-side operations of our webapp.

The "servlet" and "PHP" seem two widely used solutions.

However, there is one important thing that struck me.

Looking at http://www.tutorialspoint.com/servlets/servlets-life-cycle.htm, it states that every new client-request to a servlet, spawns a new thread.

On the other hand, looking at http://php.net/manual/en/internals2.structure.lifecycle.php, it states that the Apache module MIGHT map different requests to a single process (with the CGI model DEFINITELY using the one-process-per-request implementation).

Looking at the above, it seems that using Apache Tomcat to host a servlet, is better than running a PHP module in Apache (as far as resource-requirements are concerned at the server).

Is my understanding correct?

I will be grateful to any clearances on my doubts :)

Regards,
Ajay