Host 指标

Prometheus 插件: node_exporter (opens in a new tab)
Prometheus 预定义图表: Grafana Linux Hosts Metrics (opens in a new tab)

注：指标后面有的标志，表示该平台提供了预定义图表。

描述	指标
空闲CPU百分比	MegaEase`serverinfo-cpu-usage-idle-metric` Datadog`system.cpu.idle` Prometheus `rate(node_cpu_seconds_total{mode="idle"}[1m])` Telegraf `cpu_usage_idle` MegaEase Dashboard - `serverinfo-cpu-usage-idle-min-metric` - `serverinfo-cpu-usage-idle-avg-metric` - `serverinfo-cpu-usage-idle-max-metric`
IOWAIT CPU百分比	MegaEase`serverinfo-cpu-usage-iowait-metric` Datadog`system.cpu.iowait` Prometheus `rate(node_cpu_seconds_total{mode="iowait"}[1m])` Telegraf `cpu_usage_iowait` MegaEase Dashboard - `serverinfo-cpu-usage-iowait-max-metric` - `serverinfo-cpu-usage-iowait-avg-metric` - `serverinfo-cpu-usage-iowait-min-metric`
系统CPU百分比	MegaEase`serverinfo-cpu-usage-system-metric` Datadog`system.cpu.system` Prometheus `rate(node_cpu_seconds_total{mode="system"}[1m])` Telegraf `cpu_usage_system` MegaEase Dashboard - `serverinfo-cpu-usage-system-min-metric` - `serverinfo-cpu-usage-system-max-metric` - `serverinfo-cpu-usage-system-avg-metric`
用户CPU百分比	MegaEase`serverinfo-cpu-usage-user-metric` Datadog`system.cpu.user` Prometheus `rate(node_cpu_seconds_total{mode="user"}[1m])` Telegraf `cpu_usage_user` MegaEase Dashboard - `serverinfo-cpu-usage-user-max-metric` - `serverinfo-cpu-usage-user-min-metric` - `serverinfo-cpu-usage-user-avg-metric`
CPU中断占用百分比	MegaEase`serverinfo-cpu-usage-irq-metric` Datadog`system.core.irq` Prometheus `rate(node_cpu_seconds_total{mode="irq"}[1m])` Telegraf `cpu_usage_irq` MegaEase Dashboard - `serverinfo-cpu-usage-irq-min-metric` - `serverinfo-cpu-usage-irq-avg-metric` - `serverinfo-cpu-usage-irq-max-metric`
低优先级的进程所占用的CPU资源百分比	MegaEase`serverinfo-cpu-usage-nice-metric` Datadog`system.core.nice` Prometheus `rate(node_cpu_seconds_total{mode="nice"}[1m])` Telegraf `cpu_usage_nice` MegaEase Dashboard - `serverinfo-cpu-usage-nice-avg-metric` - `serverinfo-cpu-usage-nice-max-metric` - `serverinfo-cpu-usage-nice-min-metric`
软中断处理器产生的 CPU 使用率百分比	MegaEase`serverinfo-cpu-usage-softirq-metric` Datadog`system.core.softirq` Prometheus `rate(node_cpu_seconds_total{mode="softirq"}[1m])` Telegraf `cpu_usage_softirq` MegaEase Dashboard - `serverinfo-cpu-usage-softirq-min-metric` - `serverinfo-cpu-usage-softirq-avg-metric` - `serverinfo-cpu-usage-softirq-max-metric`
被虚拟机抢占的时间占总CPU使用时间的比例	MegaEase`serverinfo-cpu-usage-steal-metric` Datadog`system.core.steal` Prometheus `rate(node_cpu_seconds_total{mode="steal"}[1m])` Telegraf `cpu_usage_steal` MegaEase Dashboard - `serverinfo-cpu-usage-steal-avg-metric` - `serverinfo-cpu-usage-steal-min-metric` - `serverinfo-cpu-usage-steal-max-metric`
磁盘剩余空间（以字节为单位）	MegaEase`serverinfo-disk-free-metric` Datadog`system.disk.free` Prometheus `sum(node_filesystem_free_bytes)` Telegraf `disk_free` MegaEase Dashboard - `serverinfo-disk-free-sum-metric` - `serverinfo-disk-free-avg-metric`
磁盘上可用的空闲inode数	MegaEase`serverinfo-disk-inodes-free-metric` Datadog`system.fs.inodes.free` Prometheus `不支持` Telegraf `disk_inodes_free` MegaEase Dashboard - `serverinfo-disk-inodes-free-avg-metric` - `serverinfo-disk-inodes-free-sum-metric`
磁盘中的inodes总数	MegaEase`serverinfo-disk-inodes-total-metric` Datadog`system.fs.inodes.total` Prometheus `不支持` Telegraf `disk_inodes_total` MegaEase Dashboard - `serverinfo-disk-inodes-total-sum-metric` - `serverinfo-disk-inodes-total-avg-metric`
磁盘中使用的inodes	MegaEase`serverinfo-disk-inodes-used-metric` Datadog`system.fs.inodes.used` Prometheus `不支持` Telegraf `disk_inodes_used` MegaEase Dashboard - `serverinfo-disk-inodes-used-avg-metric` - `serverinfo-disk-inodes-used-sum-metric`
磁盘中的总字节	MegaEase`serverinfo-disk-total-metric` Datadog`system.disk.total` Prometheus `node_filesystem_size_bytes` Telegraf `disk_total` MegaEase Dashboard - `serverinfo-disk-total-avg-metric` - `serverinfo-disk-total-sum-metric`
磁盘上已被占用的存储空间大小	MegaEase`serverinfo-disk-used-metric` Datadog`system.disk.used` Prometheus `node_filesystem_size_bytes-node_filesystem_free_bytes` Telegraf `disk_used` MegaEase Dashboard - `serverinfo-disk-used-avg-metric` - `serverinfo-disk-used-sum-metric`
磁盘已使用的百分比	MegaEase`serverinfo-disk-used-percent-metric` Datadog`不支持` Prometheus `1 - (sum(node_filesystem_free_bytes) / sum(node_filesystem_size_bytes))` Telegraf `disk_used_percent` MegaEase Dashboard - `serverinfo-disk-used-percent-avg-metric` - `serverinfo-disk-used-percent-max-metric` - `serverinfo-disk-used-percent-min-metric`
已经读取磁盘的字节数	MegaEase`serverinfo-diskio-read-bytes-metric` Datadog`不支持` Prometheus `node_disk_read_bytes_total` Telegraf `diskio_read_bytes` MegaEase Dashboard - `serverinfo-diskio-read-bytes-ratio-metric`
已经写入磁盘的字节数	MegaEase`serverinfo-diskio-write-bytes-metric` Datadog`不支持` Prometheus `node_disk_written_bytes_total` Telegraf `diskio_write_bytes` MegaEase Dashboard - `serverinfo-diskio-write-bytes-ratio-metric`
磁盘读取操作的耗时	MegaEase`serverinfo-diskio-read-time-metric` Datadog`system.disk.read_time` Prometheus `node_disk_read_time_seconds_total` Telegraf `diskio_read_time` MegaEase Dashboard - `serverinfo-diskio-read-time-ratio-metric`
磁盘读取次数	MegaEase`serverinfo-diskio-reads-metric` Datadog`不支持` Prometheus `node_disk_reads_completed_total` Telegraf `diskio_reads` MegaEase Dashboard - `serverinfo-diskio-reads-ratio-metric`
磁盘写入操作的耗时	MegaEase`serverinfo-diskio-write-time-metric` Datadog`system.disk.write_time` Prometheus `node_disk_write_time_seconds_total` Telegraf `diskio_write_time` MegaEase Dashboard - `serverinfo-diskio-write-time-ratio-metric`
每秒磁盘写入次数	MegaEase`serverinfo-diskio-writes-metric` Datadog`不支持` Prometheus `node_disk_writes_completed_total` Telegraf `diskio_writes` MegaEase Dashboard - `serverinfo-diskio-writes-ratio-metric`
可用的内存百分比	MegaEase`serverinfo-mem-available-percent-metric` Datadog`不支持` Prometheus `node_memory_MemAvailable_bytes/node_memory_MemTotal_bytes` Telegraf `mem_available_percent` MegaEase Dashboard - `serverinfo-mem-available-percent-avg-metric` - `serverinfo-mem-available-percent-sum-metric`
缓冲区内存的容量，以字节为单位	MegaEase`serverinfo-mem-buffered-metric` Datadog`system.mem.buffered` Prometheus `node_memory_Buffers_bytes` Telegraf `mem_buffered` MegaEase Dashboard - `serverinfo-mem-buffered-sum-metric` - `serverinfo-mem-buffered-avg-metric`
缓存内存的容量，单位为字节	MegaEase`serverinfo-mem-cached-metric` Datadog`system.mem.cached` Prometheus `node_memory_Cached_bytes` Telegraf `mem_cached` MegaEase Dashboard - `serverinfo-mem-cached-sum-metric` - `serverinfo-mem-cached-avg-metric`
空闲内存的容量，以字节为单位	MegaEase`serverinfo-mem-free-metric` Datadog`system.mem.free` Prometheus `node_memory_MemFree_bytes` Telegraf `mem_free` MegaEase Dashboard - `serverinfo-mem-free-sum-metric` - `serverinfo-mem-free-avg-metric`
已使用内存的容量，以字节为单位	MegaEase`serverinfo-mem-used-metric` Datadog`system.mem.used` Prometheus `node_memory_MemTotal_bytes-node_memory_MemFree_bytes` Telegraf `mem_used` MegaEase Dashboard - `serverinfo-mem-used-avg-metric` - `serverinfo-mem-used-sum-metric`
slab 内存池的大小，单位为字节	MegaEase`serverinfo-mem-slab-metric` Datadog`system.mem.slab` Prometheus `node_memory_Slab_bytes` Telegraf `mem_slab` MegaEase Dashboard - `serverinfo-mem-slab-sum-metric` - `serverinfo-mem-slab-avg-metric`
系统的总内存容量	MegaEase`serverinfo-mem-total-metric` Datadog`system.mem.total` Prometheus `node_memory_MemTotal_bytes` Telegraf `mem_total` MegaEase Dashboard - `serverinfo-mem-total-max-metric`
已使用内存的百分比	MegaEase`serverinfo-mem-used-percent-metric` Datadog`不支持` Prometheus `(node_memory_MemTotal_bytes-node_memory_MemFree_bytes)/ node_memory_MemTotal_bytes*100` Telegraf `mem_used_percent` MegaEase Dashboard - `serverinfo-mem-used-percent-avg-metric` - `serverinfo-mem-used-percent-sum-metric`
网络接收的字节数	MegaEase`serverinfo-net-bytes-recv-metric` Datadog`system.net.bytes_rcvd` Prometheus `node_network_receive_bytes_total` Telegraf `net_bytes_recv` MegaEase Dashboard - `serverinfo-net-bytes-recv-ratio-metric`
网络发送的字节数	MegaEase`serverinfo-net-bytes-sent-metric` Datadog`system.net.bytes_sent` Prometheus `node_network_transmit_bytes_total` Telegraf `net_bytes_sent` MegaEase Dashboard - `serverinfo-net-bytes-sent-ratio-metric`
接收的网络数据包数	MegaEase`serverinfo-net-packets-recv-metric` Datadog`system.net.packets_in.count` Prometheus `node_network_receive_packets_total` Telegraf `net_packets_recv` MegaEase Dashboard - `serverinfo-net-packets-recv-ratio-metric`
发送的网络数据包数	MegaEase`serverinfo-net-packets-sent-metric` Datadog`system.net.packets_out.count` Prometheus `node_network_transmit_packets_total` Telegraf `net_packets_sent` MegaEase Dashboard - `serverinfo-net-packets-sent-ratio-metric`
过去1分钟的负载移动平均值	MegaEase`serverinfo-system-load1-metric` Datadog`system.load.1` Prometheus `node_load1` Telegraf `system_load1` MegaEase Dashboard - `serverinfo-system-load1-avg-metric`
过去15分钟的负载移动平均值	MegaEase`serverinfo-system-load15-metric` Datadog`system.load.15` Prometheus `node_load15` Telegraf `system_load15` MegaEase Dashboard - `serverinfo-system-load15-avg-metric`
过去5分钟的负载移动平均值	MegaEase`serverinfo-system-load5-metric` Datadog`system.load.5` Prometheus `node_load5` Telegraf `system_load5` MegaEase Dashboard - `serverinfo-system-load5-avg-metric`
虚拟CPU花费的时间百分比等待管理程序为另一个虚拟CPU服务。仅适用于虚拟机	MegaEase`不支持` Datadog`system.cpu.stolen` Prometheus `不支持`
CPU花在运行虚拟处理器的时间百分比。仅适用于管理程序	MegaEase`serverinfo-cpu-usage-guest-nice-metric` Datadog`system.cpu.guest` Prometheus `node_cpu_guest_seconds_total` Telegraf `cpu_usage_guest_nice` MegaEase Dashboard - `serverinfo-cpu-usage-guest-nice-avg-metric` - `serverinfo-cpu-usage-guest-nice-min-metric` - `serverinfo-cpu-usage-guest-nice-max-metric`
如果/proc/meminfo中存在MemAvailable的值，则使用该值。如果不存在，则使用空闲内存+缓存内存+缓冲内存的总和	MegaEase`不支持` Datadog`system.mem.usable` Prometheus `不支持`
可用的内存	MegaEase`serverinfo-mem-available-metric` Datadog`不支持` Prometheus `node_memory_MemAvailable_bytes` Telegraf `mem_available` MegaEase Dashboard - `serverinfo-mem-available-min-metric` - `serverinfo-mem-available-avg-metric` - `serverinfo-mem-available-max-metric`
接收错误的网络数据包数量	MegaEase`serverinfo-net-err-in-metric` Datadog`system.net.packets_in.error` Prometheus `node_network_receive_errs_total` Telegraf `net_err_in` MegaEase Dashboard - `serverinfo-net-err-in-ratio-metric`
发送错误的网络数据包数量	MegaEase`serverinfo-net-err-out-metric` Datadog`system.net.packets_out.error` Prometheus `node_network_transmit_errs_total` Telegraf `net_err_out` MegaEase Dashboard - `serverinfo-net-err-out-ratio-metric`

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