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Jan-Otto KröpkeandClaude
c548875ccd
Co-authored-by: Claude <noreply@anthropic.com> Signed-off-by: Claude <noreply@anthropic.com>
54 lines
3.6 KiB
Markdown
54 lines
3.6 KiB
Markdown
# physical_disk collector
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The physical_disk collector exposes metrics about physical disks
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Metric name prefix | `physical_disk`
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Data source | Performance Data
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Counters | `PhysicalDisk`
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Enabled by default? | Yes
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## Flags
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### `--collector.physical_disk.disk-include`
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If given, a disk needs to match the include regular expression in order for the corresponding disk metrics to be reported. Default: `.+`
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### `--collector.physical_disk.disk-exclude`
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If given, a disk needs to *not* match the exclude regular expression in order for the corresponding disk metrics to be reported. Default: empty
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## Metrics
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| Name | Description | Type | Labels |
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|--------------------------------------------------------|---------------------------------------------------------------------------------------------------------|---------|--------|
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| windows_physical_disk_requests_queued | The number of requests queued to the disk (PhysicalDisk.CurrentDiskQueueLength) | Gauge | disk |
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| windows_physical_disk_read_bytes_total | The number of bytes transferred from the disk during read operations (PhysicalDisk.DiskReadBytesPerSec) | Counter | disk |
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| windows_physical_disk_reads_total | The number of read operations on the disk (PhysicalDisk.DiskReadsPerSec) | Counter | disk |
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| windows_physical_disk_write_bytes_total | The number of bytes transferred to the disk during write operations (PhysicalDisk.DiskWriteBytesPerSec) | Counter | disk |
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| windows_physical_disk_writes_total | The number of write operations on the disk (PhysicalDisk.DiskWritesPerSec) | Counter | disk |
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| windows_physical_disk_read_seconds_total | Seconds that the disk was busy servicing read requests (PhysicalDisk.PercentDiskReadTime) | Counter | disk |
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| windows_physical_disk_write_seconds_total | Seconds that the disk was busy servicing write requests (PhysicalDisk.PercentDiskWriteTime) | Counter | disk |
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| windows_physical_disk_idle_seconds_total | Seconds that the disk was idle (PhysicalDisk.PercentIdleTime) | Counter | disk |
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| windows_physical_disk_split_ios_total | The number of I/Os to the disk that were split into multiple I/Os (PhysicalDisk.SplitIOPerSec) | Counter | disk |
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| windows_physical_disk_read_latency_seconds_total | The average time, in seconds, of a read operation from the disk (PhysicalDisk.AvgDiskSecPerRead) | Counter | disk |
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| windows_physical_disk_write_latency_seconds_total | The average time, in seconds, of a write operation to the disk (PhysicalDisk.AvgDiskSecPerWrite) | Counter | disk |
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| windows_physical_disk_read_write_latency_seconds_total | The time, in seconds, of the average disk transfer (PhysicalDisk.AvgDiskSecPerTransfer) | Counter | disk |
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### Example metric
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Query the rate of write operations to a disk
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```
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rate(windows_physical_disk_read_bytes_total{instance="localhost", disk=~"0"}[2m])
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```
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## Useful queries
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Calculate rate of total IOPS for disk
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```
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rate(windows_physical_disk_reads_total{instance="localhost", disk=~"0"}[2m]) + rate(windows_physical_disk_writes_total{instance="localhost", disk=~"0"}[2m])
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```
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## Alerting examples
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_This collector does not yet have alerting examples, we would appreciate your help adding them!_
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