Profiler on any node
What changes in Profiler on any node compared with MongoDB and what your application has to do.
This difference is of the Extension kind.
What MongoDB does
A mongos only accepts profile levels 0 and -1.
What TeselaDB does
profile accepts levels 1 and 2 and writes system.profile like a mongod.
What your application has to do
Use it to find slow queries from any node.