Introduction If your OS supports sharing of memory (and most sane systems do), you might save a lot of RAM by sharing it between child processes. This will allow you to run more processes and hopefully better satisfy the…
In this article we will continue the topic started in the previous article. This time we talk about tools that help us with code profiling and memory usage measuring. Code Profiling Techniques The profiling process helps you to determine…
In this article we will talk about tools that we need before we can start working on the performance of our service. Essential Tools In order to improve performance, we need measurement tools. The main tool categories are benchmarking…
In the next series of articles, we are going to talk about mod_perl performance issues. We will try to look at as many aspects of the mod_perl driven service as possible: hardware, software, Perl coding and finally the mod_perl…
Introduction In this article we will talk about the nuances of providing mod_perl services and present a few ISPs that successfully provide them. You installed mod_perl on your box at home, and you fell in love with it. So now…
Introduction This article is the third in our series talking about the essential Perl basics that you should know before starting to program for mod_perl. Variables Globally, Lexically Scoped and Fully Qualified You will hear a lot about namespaces,…
Introduction In this article, we continue to talk about the essential Perl basics that you should know before starting to program for mod_perl. Tracing Warnings Reports Sometimes it’s hard to understand what a warning is complaining about. You see…
I always feel uneasy getting review copies of books like this; review copies of books are for me to look through, tell people how good or bad they are, and then sit on the shelf looking pretty. This book, essentially,…
Introduction Before I delve into the details of mod_perl programming, it’s probably a good idea to review some important Perl basics. You will discover these invaluable when you start coding for mod_perl. I will start with pure Perl notes…
As you have seen from my previous articles, mod_perl enabled Apache consists of two main components: Perl modules and Apache itself. While installing Apache without root privileges is easy, one should know how to install Perl modules in a…
Introduction In the previous article, I’ve shown quite amazing Web performance reports from companies that have deployed mod_perl heavily. You might be surprised but you can quite easily get similarly amazing results if you move your service to mod_perl…
In this article, I’ll give an initial introduction to mod_perl, make you want to give it a try and present a few examples of the well-known sites that are powered by mod_perl enabled Apache. What Is mod_perl? mod_perl is…
Introduction No matter how much we try to convince people that Perl is a multi-purpose programming language, we’d be deluding ourselves if we didn’t admit that the majority of programmers first come into contact with Perl through their experience with…
Even if you haven’t heard of the RSS acronym before, you’re likely to have used RSS in the past. Whether through the slashboxes at slashdot or our own news summary at use.perl.org, the premise remains the same - RSS,…
Common Myths Table of Contents Roll Your Own Application Server Case Study: eToys.com Apache::PerlRun to the Rescue Planning the New Architecture Surviving Christmas 2000 The Architecture Proxy Servers Application Servers …
Introduction PerlMx is a utility by ActiveState that allows Perl programs to interface with Sendmail connections. It’s quite a powerful tool, and once installed, it’s very easy to use. This article will detail how to install and setup PerlMx,…
Using CGI::Application -> Why CGI::Application? Table of Contents Why CGI::Application? Understanding CGI::Application Putting It All Together Conclusions & Advanced Concepts: Where to Go From Here Resources The Common Gateway Interface (CGI) may be viewed by some as “less than glamorous”,…
Table of Contents Quick Start with SOAP Part I More Complex Server (daemon, mod_perl and mod_soap) Access to Remote Services Access With Service Description (WSDL) Security (SSL, basic/digest authentication, cookie-based authentication, ticket-based authentication, access control) Handling LoLs (List of…
Table of Contents Getting Started Hello World Web Site Global Variables Modular Files Modular File Inheritance Subroutines in EmbperlObject Conclusions This tutorial is intended as a complement to the Embperl documentation, not a replacement. We assume a basic familiarity…
Quick Start with SOAP -> Table of Contents Quick Start with SOAPWriting a CGI-based ServerClientPassing ValuesAutodispatchingObjects accessError handlingService dispatch (different services on one server)Types and NamesConclusion Part 2 of this series SOAP (Simple Object Access Protocol) is a way for…
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