SRE文档iops
https://cloudcasts.io/article/what-you-need-to-know-about-iops
https://handbook.vantage.sh/aws/concepts/io-operations/
max by (pod, device)(rate(container_fs_reads_total{container!=""}[5m]))
max by (pod, device)(rate(container_fs_writes_total{container!=""}[5m]))
irate(node_disk_reads_completed_total[5m])
irate(node_disk_writes_completed_total[5m])max by (pod, device)(rate(container_fs_reads_total{container!=""}[5m]))
max by (pod, device)(rate(container_fs_writes_total{container!=""}[5m]))
irate(node_disk_reads_completed_total[5m])
irate(node_disk_writes_completed_total[5m])