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f2f38c81af
* Check creation of CCMessage in NATS receiver * add exclude_device for iostatMetric * add md file --------- Co-authored-by: Thomas Roehl <thomas.roehl@fau.de> Co-authored-by: exterr2f <Robert.Externbrink@rub.de> Co-authored-by: Thomas Gruber <Thomas.Roehl@googlemail.com>
40 lines
827 B
Markdown
40 lines
827 B
Markdown
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## `iostat` collector
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```json
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"iostat": {
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"exclude_metrics": [
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"io_read_ms"
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],
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"exclude_devices": [
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"nvme0n1p1",
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"nvme0n1p2",
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"md127"
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]
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}
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```
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The `iostat` collector reads data from `/proc/diskstats` and outputs a handful **node** metrics. If a metric or device is not required, it can be excluded from forwarding it to the sink.
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Metrics:
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* `io_reads`
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* `io_reads_merged`
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* `io_read_sectors`
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* `io_read_ms`
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* `io_writes`
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* `io_writes_merged`
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* `io_writes_sectors`
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* `io_writes_ms`
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* `io_ioops`
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* `io_ioops_ms`
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* `io_ioops_weighted_ms`
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* `io_discards`
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* `io_discards_merged`
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* `io_discards_sectors`
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* `io_discards_ms`
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* `io_flushes`
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* `io_flushes_ms`
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The device name is added as tag `device`. For more details, see https://www.kernel.org/doc/html/latest/admin-guide/iostats.html
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