IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
System memory metricsetedit
The System memory metricset provides memory statistics.
This metricset is available on:
- FreeBSD
- Linux
- macOS
- OpenBSD
- Windows
Configurationedit
There are no configuration options for this metricset.
This is a default metricset. If the host module is unconfigured, this metricset is enabled by default.
Fieldsedit
For a description of each field in the metricset, see the exported fields section.
Here is an example document generated by this metricset:
{
"@timestamp": "2017-10-12T08:05:34.853Z",
"event": {
"dataset": "system.memory",
"duration": 115000,
"module": "system"
},
"metricset": {
"name": "memory",
"period": 10000
},
"service": {
"type": "system"
},
"system": {
"memory": {
"actual": {
"free": 46533455872,
"used": {
"bytes": 20981358592,
"pct": 0.3108
}
},
"cached": 42114609152,
"free": 3916599296,
"hugepages": {
"default_size": 2097152,
"free": 0,
"reserved": 0,
"surplus": 0,
"swap": {
"out": {
"fallback": 0,
"pages": 0
}
},
"total": 0,
"used": {
"bytes": 0,
"pct": 0
}
},
"page_stats": {
"direct_efficiency": {
"pct": 0.9871
},
"kswapd_efficiency": {
"pct": 0.7105
},
"pgfree": {
"pages": 69780946234
},
"pgscan_direct": {
"pages": 1512375
},
"pgscan_kswapd": {
"pages": 25880646
},
"pgsteal_direct": {
"pages": 1492831
},
"pgsteal_kswapd": {
"pages": 18387096
}
},
"swap": {
"free": 8560832512,
"in": {
"pages": 727
},
"out": {
"pages": 11197
},
"readahead": {
"cached": 9,
"pages": 45
},
"total": 8589930496,
"used": {
"bytes": 29097984,
"pct": 0.0034
}
},
"total": 67514814464,
"used": {
"bytes": 63598215168,
"pct": 0.942
}
}
}
}