Tuesday Jul 31, 2007

DTrace for Ruby at OSCON 2007

I just got back from OSCON, a conference on Open Source that O'Reilly hosts in Portland annually. The conference offered some interesting content and side-shows with some notable highlights (more on those in the next few days). Brendan and I gave a presentation on how a crew from Sun dropped in on Twitter to help them use DTrace to discover some nasty performance problems.

Here's the presentation along with the D scripts and load generators we used for the talk.

Thursday Jul 05, 2007

DTrace "Scobleized"

Robert Scoble was kind enough to interview us last week for the ScobleShow. Robert pretty much let us riff continuously for half an hour -- we clearly haven't been getting to talk about DTrace enough lately. I thought he would trim it down a bit, but like a scene from Hard Boiled, it's all there.

This picture captures my favorite moment (around 16:23) during the interview as the three of us try to formulate a connection between DTrace and green computing...

... and this is as good a time as any to plug the talk Brendan and I will be giving at the end of the month at OSCON. We'll be talk about how team DTrace was able to solve some nasty Ruby scalability problems at Twitter; it's in the Ruby track, but the principles apply for analysis of performance problems in all languages.

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Adam Leventhal, Fishworks engineer

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