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3.9 KiB
3.9 KiB
physical_disk collector
The physical_disk collector exposes metrics about physical disks
| Metric name prefix | physical_disk |
| Data source | Perflib |
| Counters | physicalDisk (Win32_PerfRawData_PerfDisk_physicalDisk) |
| Enabled by default? | Yes |
Flags
--collector.physical_disk.disk-include
If given, a disk needs to match the include regexp in order for the corresponding disk metrics to be reported
--collector.physical_disk.disk-exclude
If given, a disk needs to not match the exclude regexp in order for the corresponding disk metrics to be reported
Metrics
| Name | Description | Type | Labels |
|---|---|---|---|
| windows_physical_disk_requests_queued | The number of requests queued to the disk (PhysicalDisk.CurrentDiskQueueLength) | Gauge | disk |
| windows_physical_disk_read_bytes_total | The number of bytes transferred from the disk during read operations (PhysicalDisk.DiskReadBytesPerSec) | Counter | disk |
| windows_physical_disk_reads_total | The number of read operations on the disk (PhysicalDisk.DiskReadsPerSec) | Counter | disk |
| windows_physical_disk_write_bytes_total | The number of bytes transferred to the disk during write operations (PhysicalDisk.DiskWriteBytesPerSec) | Counter | disk |
| windows_physical_disk_writes_total | The number of write operations on the disk (PhysicalDisk.DiskWritesPerSec) | Counter | disk |
| windows_physical_disk_read_seconds_total | Seconds that the disk was busy servicing read requests (PhysicalDisk.PercentDiskReadTime) | Counter | disk |
| windows_physical_disk_write_seconds_total | Seconds that the disk was busy servicing write requests (PhysicalDisk.PercentDiskWriteTime) | Counter | disk |
| windows_physical_disk_idle_seconds_total | Seconds that the disk was idle (PhysicalDisk.PercentIdleTime) | Counter | disk |
| 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 |
| windows_physical_disk_read_latency_seconds_total | The average time, in seconds, of a read operation from the disk (PhysicalDisk.AvgDiskSecPerRead) | Counter | disk |
| windows_physical_disk_write_latency_seconds_total | The average time, in seconds, of a write operation to the disk (PhysicalDisk.AvgDiskSecPerWrite) | Counter | disk |
| windows_physical_disk_read_write_latency_seconds_total | The time, in seconds, of the average disk transfer (PhysicalDisk.AvgDiskSecPerTransfer) | Counter | disk |
Warning about size metrics
The free_bytes and size_bytes metrics are not updated in real time and might have a delay of 10-15min.
This is the same behavior as the windows performance counters.
Example metric
Query the rate of write operations to a disk
rate(windows_physical_disk_read_bytes_total{instance="localhost", disk=~"0"}[2m])
Useful queries
Calculate rate of total IOPS for disk
rate(windows_physical_disk_reads_total{instance="localhost", disk=~"0"}[2m]) + rate(windows_physical_disk_writes_total{instance="localhost", disk=~"0"}[2m])
Alerting examples
This collector does not yet have alerting examples, we would appreciate your help adding them!