Correspondence between influxdb runtime measurement statistics and Resident Memory(RES)

• Version: 1.8.10
• OS: CentOS 7
• Problem
  • According to the document, the "Sys" of the _internal database is: The total number of bytes of memory obtained from the OS. Measures the virtual address space reserved by the Go runtime for the heap, stacks, and other internal data structures.
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  • But "Sys" or other statistics not equal with the Resident Memory(RES)(Following PID 9450)
  • What is the relationship between runtime statistics and RES
• Runtime

  

• RES-infuxd

  

known about the infuxdb runtime