While I'm sure that DTrace does nifty things, this was probably the flimsiest explanation of what makes it great that I've read. The summary seems to go like this:
There's this great tool for Solaris called DTrace. It's only available on Solaris, and it's so cool. One time, Twitter found a problem with it that increased speed by 30%!!!
There's this great tool for Solaris called DTrace. It's only available on Solaris, and it's so cool. One time, Twitter found a problem with it that increased speed by 30%!!!