When any query is run, the value of "QueryMem" memory usage is zero [BeforeRun:0 and AfterRun:0], as shown below, and for more illustrations, see the attached file execution:
I1008 13:18:33.196965 52263 master.cpp:112] Engine_MemoryStats||musae_facebook_edges_UnDirected::default,16777247.RESTPP_1_1.1665219560009.N,NNN,86400,0,0,S|MONITORING Step(15) BeforeRun[Reduce][QueryMem]: 0
I1008 13:18:33.198311 52263 master.cpp:119] Engine_MemoryStats||musae_facebook_edges_UnDirected::default,16777247.RESTPP_1_1.1665219560009.N,NNN,86400,0,0,S|MONITORING Step(15) AfterRun[Reduce][QueryMem]: 0
Execution File(INFO)
