Memory Metrics

Every 10 seconds, the collectd service uses the memory and swap plugins to gather the following memory metrics on each node in the cluster.

Name Description Additional Tag(s)
memory.memory The amount of physical memory in bytes.
  • memory_type: Display values for a specified memory type. Memory type values: free, used, buffered, etc.
swap.swap The amount of swap space in bytes.
  • swap_type: Display values for a specified swap type. Swap type values: used and free.
swap.swap_io The amount of swap I/O in bytes.