Linux iostat metricset

This functionality is in beta and is subject to change. The design and code is less mature than official GA features and is being provided as-is with no warranties. Beta features are not subject to the support SLA of official GA features.

The iostat module reports per-disk IO statistics that emulate iostat -x on linux.

as of now, this data is part of system/diskio on Metricbeat, but can only be found in the Linux integration in Fleet. In the future, this data will be removed from system/memory.

Fields

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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": "linux.iostat",
        "duration": 115000,
        "module": "linux"
    },
    "linux": {
        "iostat": {
            "await": 0,
            "busy": 0.1503,
            "name": "sda",
            "queue": {
                "avg_size": 0.0005
            },
            "read": {
                "await": 0,
                "per_sec": {
                    "bytes": 0
                },
                "request": {
                    "merges_per_sec": 0,
                    "per_sec": 0
                }
            },
            "request": {
                "avg_size": 2867.2
            },
            "service_time": 0.3,
            "write": {
                "await": 0,
                "per_sec": {
                    "bytes": 14365.929
                },
                "request": {
                    "merges_per_sec": 0,
                    "per_sec": 5.0104
                }
            }
        }
    },
    "metricset": {
        "name": "iostat",
        "period": 10000
    },
    "service": {
        "type": "linux"
    }
}

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