Archive for January, 2012

Playing with Node/V8 postmortem debugging

“Post Mortem” by C. MacLaurin Several weeks ago I posted about postmortem debugging for Node.js, a critical technique for understanding fatal software failure (and thereby keeping up software quality). Now that the underlying pieces are freely available[1], you can use the documentation below to start debugging your own Node programs. With these tools you can [...]

Posted on January 13, 2012 at 11:42 am by dap · Permalink · Comments Closed
In: Joyent, Node.js, SmartOS · Tagged with: , ,

Where does your Node program spend its time?

Photo by Julian Lim (flickr) Performance analysis is one of the most difficult challenges in building production software. If a slow application isn’t spending much time on CPU, it could be waiting on filesystem (disk) I/O, network traffic, garbage collection, or many other things. We built the Cloud Analytics tool to help administrators and developers quickly [...]

Posted on January 5, 2012 at 3:32 pm by dap · Permalink · 4 Comments
In: DTrace, Joyent, Node.js, SmartOS · Tagged with: , , ,