Initial Report on Pringo Essay

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Essay Sample
This report summarizes the status of the Pringo assessment after a one-day session with Pringo. The Pringo system is built on a LAMP configuration (Linux, Apache, MySQL, and PHP). This combination of technologies is familiar to open-source developers and represents one (perhaps the most common) way to build web sites and web services. However, just because it is common, doesn’t make it the best (or worst). In contrast, the Passenger platform is built on essentially the polar

middle of document…

The database is MySQL

and the OS platform is Linux. Other components and dependencies include

Javascript/AJAX, JQuery, Swish-e, Memcached, BerkeleyDB, mencoder. The system

also appears to rely on NFS, but I’m not clear on exactly how or why yet.



Once I knew the system was in PHP, I tried to assess how they managed some potential

pitfalls. One of the negative tags on PHP is that it is easier to write bad code than it is to

write good code. My initial reaction is positive, but with the caveat that some of this

discipline comes from force of will, and in particular, the will of Harvard Young. I’ll

come back to this point.



In terms of code size, Harvard estimated that the server platform represent about 120,000

lines of PHP code.



The system uses a modular approach with a “core” and “extensions”. It will require

significant more time to get a good understanding of exactly how this works and what is

in the “core” and what isn’t. Harvard could not offer any documentation on this and

wasn’t able to block diagram it on the whiteboard for me. However, they do have a wiki

(on-line) that I will have to spend time with to see if I can reverse-engineer to get the

answer I seek.



In practical terms, the Pringo system takes a much different approach to configuration

and administration compared to the Passenger system. The Pringo system is lower-level.

It’s more flexible but far more
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