Tserver docker CPU load in idle

[karthik]

@victor

W0209 18:34:32.012917 140 replica_state.cc:733] T 08584550feec4f70b729ebf72d0aca09 P 36f9a55694454f28941011b16cffc067 [term 2 LEADER]: Can’t advance the committed index across term boundaries until operations from the current term are replicated. Last committed operation was: { term: 1 index: 1 }, New majority replicated is: term: 1 index: 1, Current term is: 2

Something seems off here. cc @bogdan @sanketh - could you folks please take a look?