https://github.com/mongodb/jasper is a library for doing process management through commands over a socket. Having process management available as a service means (1) we can consolidate the various implementations we have through the subprocess / subprocess32 Python packages and the mongo shell's shell_utils_launcher.cpp C++ code, and (2) we can allow tests to interact with the cluster in a potentially destructive way. #2 enables tools such as genny to be able to run performance workloads that measure the latency of operations after restarting a mongod or mongos process.

MAKE-497 exposed jasper through the curator binary.