| disk_agt_read_bytes_rate | (Agent) Disks Read Rate | Number of bytes read from the monitored disk per second - Linux:
The disk read rate is calculated based on the data changes in the sixth column of the corresponding device in file /proc/diskstats in a collection period. The path of the mount point prefix cannot exceed 64 characters. It must start with a letter, and contain only digits, letters, hyphens (-), periods (.), and tildes (~). - Windows:
- The disk I/O data is obtained through the Win32_PerfFormattedData_PerfDisk_LogicalDisk object in WMI. The object is obtained once in each collection period. The instantaneous value returned by the object indicates the metric value in a collection period.
- The path of the mount point prefix cannot exceed 64 characters. It must start with a letter, and contain only digits, letters, hyphens (-), periods (.), and tildes (~).
- When the CPU usage is high, monitoring data obtaining timeout may occur and result in the failure of obtaining monitoring data.
| ≥ 0 | byte/s | 1024(IEC) | - instance_id,disk
- instance_id,mount_point
| 1 minute |
| disk_agt_read_requests_rate | (Agent) Disks Read Requests | Number of read requests sent to the monitored disk per second - Linux:
The disk read requests are calculated based on the data changes in the fourth column of the corresponding device in file /proc/diskstats in a collection period. The path of the mount point prefix cannot exceed 64 characters. It must start with a letter, and contain only digits, letters, hyphens (-), periods (.), and tildes (~). - Windows:
- The disk I/O data is obtained through the Win32_PerfFormattedData_PerfDisk_LogicalDisk object in WMI. The object is obtained once in each collection period. The instantaneous value returned by the object indicates the metric value in a collection period.
- The path of the mount point prefix cannot exceed 64 characters. It must start with a letter, and contain only digits, letters, hyphens (-), periods (.), and tildes (~).
- When the CPU usage is high, monitoring data obtaining timeout may occur and result in the failure of obtaining monitoring data.
| ≥ 0 | Request/s | N/A | - instance_id,disk
- instance_id,mount_point
| 1 minute |
| disk_agt_write_bytes_rate | (Agent) Disks Write Rate | Number of bytes written to the monitored disk per second - Linux:
The disk write rate is calculated based on the data changes in the tenth column of the corresponding device in file /proc/diskstats in a collection period. The path of the mount point prefix cannot exceed 64 characters. It must start with a letter, and contain only digits, letters, hyphens (-), periods (.), and tildes (~). - Windows:
- The disk I/O data is obtained through the Win32_PerfFormattedData_PerfDisk_LogicalDisk object in WMI. The object is obtained once in each collection period. The instantaneous value returned by the object indicates the metric value in a collection period.
- The path of the mount point prefix cannot exceed 64 characters. It must start with a letter, and contain only digits, letters, hyphens (-), periods (.), and tildes (~).
- When the CPU usage is high, monitoring data obtaining timeout may occur and result in the failure of obtaining monitoring data.
| ≥ 0 | byte/s | 1024(IEC) | - instance_id,disk
- instance_id,mount_point
| 1 minute |
| disk_agt_write_requests_rate | (Agent) Disks Write Requests | Number of write requests sent to the monitored disk per second - Linux:
The disk write requests are calculated based on the data changes in the eighth column of the corresponding device in file /proc/diskstats in a collection period. The path of the mount point prefix cannot exceed 64 characters. It must start with a letter, and contain only digits, letters, hyphens (-), periods (.), and tildes (~). - Windows:
- The disk I/O data is obtained through the Win32_PerfFormattedData_PerfDisk_LogicalDisk object in WMI. The object is obtained once in each collection period. The instantaneous value returned by the object indicates the metric value in a collection period.
- The path of the mount point prefix cannot exceed 64 characters. It must start with a letter, and contain only digits, letters, hyphens (-), periods (.), and tildes (~).
- When the CPU usage is high, monitoring data obtaining timeout may occur and result in the failure of obtaining monitoring data.
| ≥ 0 | Request/s | N/A | - instance_id,disk
- instance_id,mount_point
| 1 minute |
| disk_readTime | (Agent) Average Read Request Time | Average amount of time that read requests have waited on the disks - Linux:
The average read request time is calculated based on the data changes in the seventh column of the corresponding device in file /proc/diskstats in a collection period. The path of the mount point prefix cannot exceed 64 characters. It must start with a letter, and contain only digits, letters, hyphens (-), periods (.), and tildes (~). - Windows is not supported currently.
| ≥ 0 | ms/Count | N/A | - instance_id,disk
- instance_id,mount_point
| 1 minute |
| disk_writeTime | (Agent) Average Write Request Time | Average amount of time that write requests have waited on the disks - Linux:
The average write request time is calculated based on the data changes in the eleventh column of the corresponding device in file /proc/diskstats in a collection period. The path of the mount point prefix cannot exceed 64 characters. It must start with a letter, and contain only digits, letters, hyphens (-), periods (.), and tildes (~). - Windows is not supported currently.
| ≥ 0 | ms/Count | N/A | - instance_id,disk
- instance_id,mount_point
| 1 minute |
| disk_ioUtils | (Agent) Disk I/O Usage | Percentage of the time that the disk has had I/O requests queued to the total disk operation time - Linux:
The disk I/O usage is calculated based on the data changes in the thirteenth column of the corresponding device in file /proc/diskstats in a collection period. The path of the mount point prefix cannot exceed 64 characters. It must start with a letter, and contain only digits, letters, hyphens (-), periods (.), and tildes (~). - Windows is not supported currently.
| 0-100 | % | N/A | - instance_id,disk
- instance_id,mount_point
| 1 minute |
| disk_queue_length | (Agent) Disk Queue Length | A reflection of the disk usage in a specified period. It can be used to evaluate the disk I/O performance. A larger value indicates a busier disk and poorer I/O performance. - Linux:
The metric value is calculated by dividing the data changes in the fourteenth column of the corresponding device in /proc/diskstats in a collection period by the metric collection period. The path of the mount point prefix cannot exceed 64 characters. It must start with a letter, and contain only digits, letters, hyphens (-), periods (.), and tildes (~). - Windows is not supported currently.
| ≥ 0 | Count | N/A | - instance_id,disk
- instance_id,mount_point
| 1 minute |
| disk_write_bytes_per_operation | (Agent) Average Disk Write Size | Average number of bytes in an I/O write for the monitored disk in the monitoring period - Linux:
The average disk write size is calculated based on the data changes in the tenth column of the corresponding device to divide that of the eighth column in file /proc/diskstats in a collection period. The path of the mount point prefix cannot exceed 64 characters. It must start with a letter, and contain only digits, letters, hyphens (-), periods (.), and tildes (~). - Windows is not supported currently.
| ≥ 0 | Byte/op | N/A | - instance_id,disk
- instance_id,mount_point
| 1 minute |
| disk_read_bytes_per_operation | (Agent) Average Disk Read Size | Average number of bytes in an I/O read for the monitored disk in the monitoring period - Linux:
The average disk read size is calculated based on the data changes in the sixth column of the corresponding device to divide that of the fourth column in file /proc/diskstats in a collection period. The path of the mount point prefix cannot exceed 64 characters. It must start with a letter, and contain only digits, letters, hyphens (-), periods (.), and tildes (~). - Windows is not supported currently.
| ≥ 0 | Byte/op | N/A | - instance_id,disk
- instance_id,mount_point
| 1 minute |
| disk_io_svctm | (Agent) Disk I/O Service Time | Average time in an I/O read or write for the monitored disk in the monitoring period - Linux:
The average disk I/O service time is calculated based on the data changes in the thirteenth column of the corresponding device to divide the sum of data changes in the fourth and eighth columns in file /proc/diskstats in a collection period. The path of the mount point prefix cannot exceed 64 characters. It must start with a letter, and contain only digits, letters, hyphens (-), periods (.), and tildes (~). - Windows is not supported currently.
| ≥ 0 | ms/op | N/A | - instance_id,disk
- instance_id,mount_point
| 1 minute |
| disk_device_used_percent | Block Device Usage | Percentage of the used physical disk of the monitored object. Calculation formula: Used storage space of all mounted disk partitions/Total disk storage space - Collection method for Linux ECSs: Obtain the disk usage of each mount point, calculate the total disk storage space based on the disk sector size and the number of sectors, and then you can calculate the overall disk usage.
- Windows is not supported currently.
| 0-100 | % | N/A | instance_id,disk | 1 minute |
