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

Question content

• Version: 1.8.10
• Operating system: CentOS 7
• question
  • According to the documentation, 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, stack, and other internal data structures.
  • But "Sys" or other statistics are not equal to resident memory (RES) (PID 9450 or below)
  • What is the relationship between runtime statistics and RES
• Runtime
• RES-infuxd

Understanding the infuxdb runtime

Correct answer

"Sys" refers to VIRT not RES. We can use cmd "pmap -x 9450 | less" to view the RES

of the influxd process

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