Performance Perpetrators: Profiling for Professionals

Derick Rethans (15.May.2013 at 13:30, 1 hr )
Talk at php[tek] 2013 (English - US)

Rating: 5 of 5

Performance Perpetrators: Profiling for Professionals

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Rating: 5 of 5

15.May.2013 at 14:41 by Anonymous

great talk. thanks for giving hints on xhprof use. also demos were quite straightforward.

Rating: 5 of 5

15.May.2013 at 14:49 by notapplicable (12 comments)

Derick's talks are always worthwhile.

Rating: 5 of 5

15.May.2013 at 15:10 by Jason Endres (11 comments)

Awesome talk, i really appreciate the real time code examples.

Rating: 5 of 5

16.May.2013 at 09:01 by Anonymous


Rating: 5 of 5

16.May.2013 at 11:42 by Mickey Freeman (7 comments)


Rating: 5 of 5

16.May.2013 at 11:57 by Marion Sartor (28 comments)



16.May.2013 at 12:11 by Marion Sartor (28 comments)

I attended this talk because it's a topic that I have very little experience. I now have a better understanding of what areas apps tend to have performance issues, and how to detect if MY app has any of these issues. I have much more to learn with this topic, but now, I'm not so afraid to tackle this concern. Thank you for your presentation.

Rating: 4 of 5

16.May.2013 at 14:07 by Ben Marks (30 comments)

Quite thorough. A bit of an aside, would be nice to shoehorn a mention of Graphviz.

Rating: 5 of 5

18.May.2013 at 13:45 by Jeremy Mikola (82 comments)

Derick covered a wide array of tools and concepts in the span of 60 minutes. The topics throughout the talk were well-structured and built upon each other.

Rating: 5 of 5

19.May.2013 at 21:35 by Ron Emaus (27 comments)

poor performance is almost never due to php code so don't look to fix your php first. check your db queries! then io (vmstat, iostat). If it is your code, understand and then use Derick's debug tools. Maybe practice failure while learning these to understand performance.

Rating: 5 of 5

20.May.2013 at 12:46 by Brett Fitzgerald (15 comments)

Great set of tools for keeping an eye on your applications. Definitely some good ideas to implement.

Rating: 3 of 5

23.May.2013 at 22:54 by Anonymous

Perhaps I wasn't the target audience-- this was listed as advanced, and I don't have a ton of experience with profiling-- but I found this talk hard to follow. I was in the back, so it was hard to hear Derick and to read the (often too dense) slides. I was hoping more for profiling techniques/concepts, but it seemed the content ended up being mostly a list of tools.

Rating: 4 of 5

28.Jun.2013 at 10:12 by Glen Campbell (3 comments)

Thanks for the overview. With PHP being designed as an HTML templating language, it surprising how many people ignore the ancillary overhead (TCP, Javascript) and focus on the code to little effect.

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