A catio can be a very simple mesh box that is attached to the outside of a window for a cat to sit in, a home-made concoction of PVC pipe and mesh, or a full-blast home addition with permanent walls and a roof, and everything in between.
1-RM Tests (Repetition maximum tests). purpose: to measure maximum strength of various muscle and muscle group s. procedure: One repetition maximum tests (1-RM) is a popular method of measuring isotonic muscle strength.
So, What sum(max_over_time(node_memory_ MemFree[2m])) will do is it will first find maximum from all the nodes. So, the answer will be the sum of all the maximum values of all the nodes, which I don't want.