Apple has bought SigScalr, the maker of SigLens, giving it a tool to monitor and debug the processes of large numbers of interrelated applications.


Instead of needing multiple programs ranging from Xcode to Activity Monitor, an application monitoring app like SigLens is one tool that tracks and logs what happens inside several apps, or across many routines within the same one. With apps sometimes being written as very many related single-task ones, application monitors give a picture of the whole process.

SigLens from SigScalr was one such application monitor, and its makers claimed it to be up to 100% more efficient than its rivals, DataDog and Splunk.


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