Memory Input Plugin

This plugin collects metrics about the system memory.

Tip

For an explanation of the difference between used and actual_used RAM, see Linux ate my ram.

⭐ Telegraf v0.1.5 🏷️ system 💻 all

Global configuration options

In addition to the plugin-specific configuration settings, plugins support additional global and plugin configuration settings. These settings are used to modify metrics, tags, and field or create aliases and configure ordering, etc. See the CONFIGURATION.md for more details.

Configuration

# Read metrics about memory usage
[[inputs.mem]]
  # no configuration

Metrics

Available fields are dependent on platform.

• mem
  • fields:
    • active (integer, Darwin, FreeBSD, Linux, OpenBSD)
    • available (integer)
    • available_percent (float)
    • buffered (integer, FreeBSD, Linux)
    • cached (integer, FreeBSD, Linux, OpenBSD)
    • commit_limit (integer, Linux)
    • committed_as (integer, Linux)
    • dirty (integer, Linux)
    • free (integer, Darwin, FreeBSD, Linux, OpenBSD)
    • high_free (integer, Linux)
    • high_total (integer, Linux)
    • huge_pages_free (integer, Linux)
    • huge_page_size (integer, Linux)
    • huge_pages_total (integer, Linux)
    • inactive (integer, Darwin, FreeBSD, Linux, OpenBSD)
    • laundry (integer, FreeBSD)
    • low_free (integer, Linux)
    • low_total (integer, Linux)
    • mapped (integer, Linux)
    • page_tables (integer, Linux)
    • shared (integer, Linux)
    • slab (integer, Linux)
    • sreclaimable (integer, Linux)
    • sunreclaim (integer, Linux)
    • swap_cached (integer, Linux)
    • swap_free (integer, Linux)
    • swap_total (integer, Linux)
    • total (integer)
    • used (integer)
    • used_percent (float)
    • vmalloc_chunk (integer, Linux)
    • vmalloc_total (integer, Linux)
    • vmalloc_used (integer, Linux)
    • wired (integer, Darwin, FreeBSD, OpenBSD)
    • write_back (integer, Linux)
    • write_back_tmp (integer, Linux)

Example Output

mem active=9299595264i,available=16818249728i,available_percent=80.41654254645131,buffered=2383761408i,cached=13316689920i,commit_limit=14751920128i,committed_as=11781156864i,dirty=122880i,free=1877688320i,high_free=0i,high_total=0i,huge_page_size=2097152i,huge_pages_free=0i,huge_pages_total=0i,inactive=7549939712i,low_free=0i,low_total=0i,mapped=416763904i,page_tables=19787776i,shared=670679040i,slab=2081071104i,sreclaimable=1923395584i,sunreclaim=157675520i,swap_cached=1302528i,swap_free=4286128128i,swap_total=4294963200i,total=20913917952i,used=3335778304i,used_percent=15.95004011996231,vmalloc_chunk=0i,vmalloc_total=35184372087808i,vmalloc_used=0i,wired=0i,write_back=0i,write_back_tmp=0i 1574712869000000000