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Paul Lindner
 

Putting servers under a "microscope"?

At -= 2 we had a special set of prod machines called microscopes.  These machines ran fully instrumented binaries with full logging and oodles of extra instrumentation.

For read-only services without side effects a small chunk of traffic was mirrored to the microscopes.  For mutable requests a %age was sent there.

I don't expect we'll let engineers connect Yourkit to running production code, but I would have to expect that something like this exists, right?  right?


http://faizscientific.com/faizhtml/images/hello-kitty-microscope.jpg






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