1. CPU Busy :收集所有 cpu 内核 busy 状态占比


type: Singlestat
Unit: perent(0-100)
(所有 cpu使用情况 - 5分钟内 cpu 空闲的平均值) / 所有 cpu使用情况
metrics:

(((count(count(node_cpu_seconds_total{instance=~"$node:$port",job=~"$job"}) by (cpu))) - avg(sum by (mode)(irate(node_cpu_seconds_total{mode='idle',instance=~"$node:$port",job=~"$job"}[5m])))) * 100) / count(count(node_cpu_seconds_total{instance=~"$node:$port",job=~"$job"}) by (cpu))

最大值: 100%

2. Used RAM Memory free -m


type: Singlestat
Unit: perent(0-100)
已使用的内存占比(包括Buffer缓存和Cached缓存)
metrics:

((node_memory_MemTotal_bytes{instance=~"$node:$port",job=~"$job"} - node_memory_MemFree_bytes{instance=~"$node:$port",job=~"$job"}) / (node_memory_MemTotal_bytes{instance=~"$node:$port",job=~"$job"} )) * 100


node_memory_MemFree_bytes 空闲内存

已使用的内存占比(不包括Buffer缓存和Cached缓存)
metrics:

100 - ((node_memory_MemAvailable_bytes{instance=~"$node:$port",job=~"$job"} * 100) / node_memory_MemTotal_bytes{instance=~"$node:$port",job=~"$job"})

MemAvailable: Free + Buffers + Cached - 不可回收的部分。不可回收部分包括:共享内存段,tmpfs,ramfs等

3. Used SWAP: 交换分区使用率


type: Singlestat
Unit: perent(0-100)
metrics:

((node_memory_SwapTotal_bytes{instance=~"$node:$port",job=~"$job"} - node_memory_SwapFree_bytes{instance=~"$node:$port",job=~"$job"}) / (node_memory_SwapTotal_bytes{instance=~"$node:$port",job=~"$job"} )) * 100

node_memory_SwapFree_bytes 交换分区的空闲大小

 

4. Used Root FS 根文件系统使用率


type: Singlestat
Unit: perent(0-100)
metrics:

100 - ((node_filesystem_avail_bytes{instance=~"$node:$port",job=~"$job",mountpoint="/",fstype!="rootfs"} * 100) / node_filesystem_size_bytes{instance=~"$node:$port",job=~"$job",mountpoint="/",fstype!="rootfs"})

node_filesystem_avail_bytes 文件系统可用空间

 

5. CPU System Load (1m avg) 一分钟内 CPU 所有内核的平均负载率


type: Singlestat
Unit: perent(0-100)
metrics:

avg(node_load1{instance=~"$node:$port",job=~"$job"}) / count(count(node_cpu_seconds_total{instance=~"$node:$port",job=~"$job"}) by (cpu)) * 100

node_load1 : 系统一分钟内的负载

 

 

6. CPU System Load (5m avg) 五分钟内 CPU 所有内核的平均负载率


type: Singlestat
Unit: perent(0-100)
metrics:

avg(node_load5{instance=~"$node:$port",job=~"$job"}) / count(count(node_cpu_seconds_total{instance=~"$node:$port",job=~"$job"}) by (cpu)) * 100

node_load5 : 指5分钟内cpu的负载

1. CPU Busy :收集所有 cpu 内核 busy 状态占比



type: Singlestat
Unit: perent(0-100)
(所有 cpu使用情况 - 5分钟内 cpu 空闲的平均值) / 所有 cpu使用情况
metrics:

(((count(count(node_cpu_seconds_total{instance=~"$node:$port",job=~"$job"}) by (cpu))) - avg(sum by (mode)(irate(node_cpu_seconds_total{mode='idle',instance=~"$node:$port",job=~"$job"}[5m])))) * 100) / count(count(node_cpu_seconds_total{instance=~"$node:$port",job=~"$job"}) by (cpu))


最大值: 100%

2. Used RAM Memory free -m



type: Singlestat
Unit: perent(0-100)
已使用的内存占比(包括Buffer缓存和Cached缓存)
metrics:

((node_memory_MemTotal_bytes{instance=~"$node:$port",job=~"$job"} - node_memory_MemFree_bytes{instance=~"$node:$port",job=~"$job"}) / (node_memory_MemTotal_bytes{instance=~"$node:$port",job=~"$job"} )) * 100


node_memory_MemFree_bytes 空闲内存

已使用的内存占比(不包括Buffer缓存和Cached缓存)
metrics:

100 - ((node_memory_MemAvailable_bytes{instance=~"$node:$port",job=~"$job"} * 100) / node_memory_MemTotal_bytes{instance=~"$node:$port",job=~"$job"})


MemAvailable: Free + Buffers + Cached - 不可回收的部分。不可回收部分包括:共享内存段,tmpfs,ramfs等

3. Used SWAP: 交换分区使用率



type: Singlestat
Unit: perent(0-100)
metrics:

((node_memory_SwapTotal_bytes{instance=~"$node:$port",job=~"$job"} - node_memory_SwapFree_bytes{instance=~"$node:$port",job=~"$job"}) / (node_memory_SwapTotal_bytes{instance=~"$node:$port",job=~"$job"} )) * 100


node_memory_SwapFree_bytes 交换分区的空闲大小

4. Used Root FS 根文件系统使用率



type: Singlestat
Unit: perent(0-100)
metrics:

100 - ((node_filesystem_avail_bytes{instance=~"$node:$port",job=~"$job",mountpoint="/",fstype!="rootfs"} * 100) / node_filesystem_size_bytes{instance=~"$node:$port",job=~"$job",mountpoint="/",fstype!="rootfs"})


node_filesystem_avail_bytes 文件系统可用空间

5. CPU System Load (1m avg) 一分钟内 CPU 所有内核的平均负载率



type: Singlestat
Unit: perent(0-100)
metrics:

avg(node_load1{instance=~"$node:$port",job=~"$job"}) / count(count(node_cpu_seconds_total{instance=~"$node:$port",job=~"$job"}) by (cpu)) * 100


node_load1 : 系统一分钟内的负载

6. CPU System Load (5m avg) 五分钟内 CPU 所有内核的平均负载率



type: Singlestat
Unit: perent(0-100)
metrics:

avg(node_load5{instance=~"$node:$port",job=~"$job"}) / count(count(node_cpu_seconds_total{instance=~"$node:$port",job=~"$job"}) by (cpu)) * 100


node_load5 : 指5分钟内cpu的负载

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