prometheus查询从某个时间点过去多长时间点某个指标的数据
node_filesystem_avail_bytes{instance=“192.168.3.75:9100”,job=“node”,
mountpoint=“/”}[2m] @1692789774 offset 5m
prometheus查询从某个时间点过去多长时间点某个指标的数据
node_filesystem_avail_bytes{instance=“192.168.3.75:9100”,job=“node”,
mountpoint=“/”}[2m] @1692789774 offset 5m