[GSOC] HAMMER2 compression feature final report

Daniel Flores daniel5555 at gmail.com
Fri Sep 27 12:54:25 PDT 2013

This is my final report regarding my GSOC project.

During the past weeks I was working on documentation and writing/submitting
my evaluation. For students this year’s GSOC is over and the only thing I
have to do yet is to submit my code sample.

The goal of my project was adding the compression feature to HAMMER2, and
by the end of GSOC we had this feature working and the user is able to
select between two algorithms (fast LZ4 and slower, but with better
compression ratio, ZLIB). The feature seems to be pretty stable since we
were able to pass several stressful benchmarks without having errors or

I’m very satisfied with the results of the project and I must say that it
was a great experience. It was very interesting and engaging project, I
learned a lot about operating systems and file systems, and it definitely
contributed to my growth as a developer.

I’d like to thank my mentor, Matthew Dillon, for always having time to help
me and answer all my questions. Without his help this project wouldn’t be
so successful.
I’d also like to thank everyone who sent feedback… I received quite a lot
of it and it was very encouraging and useful.
Finally, thanks to the entire DragonFly community for making this awesome
operating system.

I hope that I’ll be able to contribute more to DragonFly, even though for
now I’ll be working on a different project. One of the things I was
interested in from the start was HAMMER2 encryption feature, so hopefully
I'll work on it in the future.

Thank you!

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