PromQL Expression Reference
The PromQL expressions in this doc can be used to configure alerts.
For more information about querying the Prometheus time series database, refer to the official Prometheus documentation.
Cluster Metrics
Cluster CPU Utilization
| Catalog | Expression |
|---|---|
Detail |
|
Summary |
|
Cluster Load Average
| Catalog | Expression |
|---|---|
Detail |
<table><tr><td>load1</td><td> |
Summary |
<table><tr><td>load1</td><td> |
Cluster Memory Utilization
| Catalog | Expression |
|---|---|
Detail |
|
Summary |
|
Cluster Disk Utilization
| Catalog | Expression |
|---|---|
Detail |
|
Summary |
|
Cluster Disk I/O
| Catalog | Expression |
|---|---|
Detail |
<table><tr><td>read</td><td> |
Summary |
<table><tr><td>read</td><td> |
Cluster Network Packets
| Catalog | Expression |
|---|---|
Detail |
<table><tr><td>receive-dropped</td><td> |
Summary |
<table><tr><td>receive-dropped</td><td> |
Cluster Network I/O
| Catalog | Expression |
|---|---|
Detail |
<table><tr><td>receive</td><td> |
Summary |
<table><tr><td>receive</td><td> |
Node Metrics
Node CPU Utilization
| Catalog | Expression |
|---|---|
Detail |
|
Summary |
|
Node Load Average
| Catalog | Expression |
|---|---|
Detail |
<table><tr><td>load1</td><td> |
Summary |
<table><tr><td>load1</td><td> |
Node Memory Utilization
| Catalog | Expression |
|---|---|
Detail |
|
Summary |
`1 - sum(node_memory_MemAvailable_bytes{instance=~"$instance"}) / sum(node_memory_MemTotal_bytes{instance=~"$instance"}) ` |
Node Disk Utilization
| Catalog | Expression |
|---|---|
Detail |
|
Summary |
|
Node Disk I/O
| Catalog | Expression |
|---|---|
Detail |
<table><tr><td>read</td><td> |
Summary |
<table><tr><td>read</td><td> |
Node Network Packets
| Catalog | Expression |
|---|---|
Detail |
<table><tr><td>receive-dropped</td><td> |
Summary |
<table><tr><td>receive-dropped</td><td> |
Node Network I/O
| Catalog | Expression |
|---|---|
Detail |
<table><tr><td>receive</td><td> |
Summary |
<table><tr><td>receive</td><td> |
Etcd Metrics
GRPC Client Traffic
| Catalog | Expression |
|---|---|
Detail |
<table><tr><td>in</td><td> |
Summary |
<table><tr><td>in</td><td> |
Peer Traffic
| Catalog | Expression |
|---|---|
Detail |
<table><tr><td>in</td><td> |
Summary |
<table><tr><td>in</td><td> |
DB Size
| Catalog | Expression |
|---|---|
Detail |
|
Summary |
|
Active Streams
| Catalog | Expression |
|---|---|
Detail |
<table><tr><td>lease-watch</td><td> |
Summary |
<table><tr><td>lease-watch</td><td> |
Raft Proposals
| Catalog | Expression |
|---|---|
Detail |
<table><tr><td>applied</td><td> |
Summary |
<table><tr><td>applied</td><td> |
RPC Rate
| Catalog | Expression |
|---|---|
Detail |
<table><tr><td>total</td><td> |
Summary |
<table><tr><td>total</td><td> |
Disk Operations
| Catalog | Expression |
|---|---|
Detail |
<table><tr><td>commit-called-by-backend</td><td> |
Summary |
<table><tr><td>commit-called-by-backend</td><td> |
Disk Sync Duration
| Catalog | Expression |
|---|---|
Detail |
<table><tr><td>wal</td><td> |
Summary |
<table><tr><td>wal</td><td> |
Kubernetes Components Metrics
API Server Request Latency
| Catalog | Expression |
|---|---|
Detail |
|
Summary |
|
API Server Request Rate
| Catalog | Expression |
|---|---|
Detail |
|
Summary |
|
Scheduling Failed Pods
| Catalog | Expression |
|---|---|
Detail |
|
Summary |
|
Controller Manager Queue Depth
| Catalog | Expression |
|---|---|
Detail |
<table><tr><td>volumes</td><td> |
Summary |
<table><tr><td>volumes</td><td> |
Scheduler E2E Scheduling Latency
| Catalog | Expression |
|---|---|
Detail |
|
Summary |
|
Scheduler Preemption Attempts
| Catalog | Expression |
|---|---|
Detail |
|
Summary |
|
Ingress Controller Connections
| Catalog | Expression |
|---|---|
Detail |
<table><tr><td>reading</td><td> |
Summary |
<table><tr><td>reading</td><td> |
Ingress Controller Request Process Time
| Catalog | Expression |
|---|---|
Detail |
|
Summary |
|
Rancher Logging Metrics
Fluentd Buffer Queue Rate
| Catalog | Expression |
|---|---|
Detail |
|
Summary |
|
Fluentd Input Rate
| Catalog | Expression |
|---|---|
Detail |
|
Summary |
|
Workload Metrics
Workload CPU Utilization
| Catalog | Expression |
|---|---|
Detail |
<table><tr><td>cfs throttled seconds</td><td> |
Summary |
<table><tr><td>cfs throttled seconds</td><td> |
Workload Memory Utilization
| Catalog | Expression |
|---|---|
Detail |
|
Summary |
|
Workload Network Packets
| Catalog | Expression |
|---|---|
Detail |
<table><tr><td>receive-packets</td><td> |
Summary |
<table><tr><td>receive-packets</td><td> |
Workload Network I/O
| Catalog | Expression |
|---|---|
Detail |
<table><tr><td>receive</td><td> |
Summary |
<table><tr><td>receive</td><td> |
Workload Disk I/O
| Catalog | Expression |
|---|---|
Detail |
<table><tr><td>read</td><td> |
Summary |
<table><tr><td>read</td><td> |
Pod Metrics
Pod CPU Utilization
| Catalog | Expression |
|---|---|
Detail |
<table><tr><td>cfs throttled seconds</td><td> |
Summary |
<table><tr><td>cfs throttled seconds</td><td> |
Pod Memory Utilization
| Catalog | Expression |
|---|---|
Detail |
|
Summary |
|
Pod Network Packets
| Catalog | Expression |
|---|---|
Detail |
<table><tr><td>receive-packets</td><td> |
Summary |
<table><tr><td>receive-packets</td><td> |
Pod Network I/O
| Catalog | Expression |
|---|---|
Detail |
<table><tr><td>receive</td><td> |
Summary |
<table><tr><td>receive</td><td> |
Pod Disk I/O
| Catalog | Expression |
|---|---|
Detail |
<table><tr><td>read</td><td> |
Summary |
<table><tr><td>read</td><td> |
Container Metrics
Container CPU Utilization
| Catalog | Expression |
|---|---|
cfs throttled seconds |
|
usage seconds |
|
system seconds |
|
user seconds |
|