Prometheus Node_exporter 之 Disk Datail /proc/diskstats
Disk Datail /proc/diskstats
1. Disk IOps Completed
type: Graph
Unit: I/O ops/sec(iops)
Label: IO read(-)/write(+)
{{device}} - Reads completed: 每个磁盘分区每秒读完成次数
metrics:
irate(node_disk_reads_completed_total{instance=~"$node:$port",job=~"$job"}[5m])
{{device}} - Writes completed: 每个磁盘分区每秒写完成次数
metrics:
irate(node_disk_writes_completed_total{instance=~"$node:$port",job=~"$job"}[5m])
2. Disk R/W Data
type: Graph
Unit: bytes/sec
Label: Bytes read(-)/write(+)
{{device}} - Read bytes 每个磁盘分区每秒读取的比特数
metrics:
irate(node_disk_read_bytes_total{instance=~"$node:$port",job=~"$job"}[5m])
{{device}} - Written bytes 每个磁盘分区每秒写入的比特数
metrics:
irate(node_disk_written_bytes_total{instance=~"$node:$port",job=~"$job"}[5m])
3. Disk R/W Time
type: Graph
Unit: Milliseconds(ms)
Label: Millisec. read(-)/write(+)
{{device}} - Read time ms 每个磁盘分区读花费的毫秒数
metrics:
irate(node_disk_read_time_seconds_total{instance=~"$node:$port",job=~"$job"}[5m])
{{device}} - Write time ms 每个磁盘分区写操作花费的毫秒数
metrics:
irate(node_disk_write_time_seconds_total{instance=~"$node:$port",job=~"$job"}[5m])
4. Disk IOs Weighted
type: Graph
Unit: Milliseconds(ms)
Label: Milliseconds
{{device}} - IO time weighted 每个磁盘分区输入/输出操作花费的加权毫秒数
metrics:
irate(node_disk_io_time_weighted_seconds_total{instance=~"$node:$port",job=~"$job"}[5m])
5. Disk R/W Merged
type: Graph
Unit: I/O ops/sec(iops)
Label: I/Os
{{device}} - Read merged 每个磁盘分区每秒合并读完成次数
metrics:
irate(node_disk_reads_merged_total{instance=~"$node:$port",job=~"$job"}[5m])
{{device}} - Write merged 每个磁盘分区每秒合并写完成次数
metrics:
irate(node_disk_writes_merged_total{instance=~"$node:$port",job=~"$job"}[5m])
6. Milliseconds Spent Doing I/Os
type: Graph
Unit: Milliseconds(ms)
Label: Milliseconds
{{device}} - IO time ms 每个磁盘分区输入/输出操作花费的毫秒数
metrics:
irate(node_disk_io_time_seconds_total{instance=~"$node:$port",job=~"$job"}[5m])
7. Disk IOs Current in Progress
type: Graph
Unit: I/O ops/sec(iops)
Label: I/Os
{{device}} - IO now 每个磁盘分区每秒正在处理的输入/输出请求数
metrics:
irate(node_disk_io_now{instance=~"$node:$port",job=~"$job"}[5m])
8. Open Error File
type: Graph
Unit: short
Label: Errors
Textfile scrape error (1 = true) 1如果打开或读取文件时出错，否则为0
metrics:
node_textfile_scrape_error{instance=~"$node:$port",job=~"$job"}
