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Kubernetes Monitoring

Stats Visualization
Nodes
Deployments
Available Pods Per Deployment
Desired-pods
Available pods
Unavailable pods
Unavailable pods per deployment
CPU Usage by node
Memory usage by node
Network out by node
Network in by node
Top CPU intensive pods
Top memory intensive pods

Nodes

  • kubernetes.node.name
    • Kubernetes node name
    • type: keyword

Aggregation

## Cardinality ##
a = Cardinality(kubernetes.node.name)

GroupBy-Everything

Deployments

  • kubernetes.deployment.name
    • Kubernetes deployment name
    • type: keyword

Aggregation

## Cardinality ##
a = Cardinality(kubernetes.deployment.name)

GroupBy-Everything

Available-pods-per-deployment

  • kubernetes.deployment.replicas.available

    • Deployment available replicas
    • type: integer

  • kubernetes.deployment.name

    • Kubernetes deployment name
    • type: keyword

Aggregation

  • Time field : @timestamp
  • Interval : auto
## Average ##
a = Avg(kubernetes.deployment.replicas.available)

GroupBy-Terms : kubernetes.deployment.name
Top - 10000
OrderBy - Doc Count(default)
Desc

Desired-pods

  • kubernetes.deployment.replicas.desired
    • Deployment number of desired replicas (spec)
    • type: integer

Aggregation

  • Data timerange mode: Last value
  • Time field : @timestamp
  • Inverval : auto
## Sum ##
a = Sum(kubernetes.deployment.replicas.desired)

GroupBy-Everything

Available-pods

  • kubernetes.deployment.replicas.available
    • Deployment available replicas
    • type: integer

Aggregation

  • Data timerange mode: Last value
  • Time field : @timestamp
  • Inverval : auto
## Sum ##
a = Sum(kubernetes.deployment.replicas.available)

GroupBy-Everything

Unavailable-pods

  • kubernetes.deployment.replicas.unavailable
    • Deployment unavailable replicas
    • type: integer

Aggregation

  • Data timerange mode: Last value
  • Time field : @timestamp
  • Inverval : auto
## Sum ##
a = Sum(kubernetes.deployment.replicas.unavailable)

GroupBy-Everything

Unavailable-pods-per-deployment

  • kubernetes.deployment.replicas.unavailable
    • Deployment unavailable replicas
    • type: integer

Aggregation

  • Time field : @timestamp
  • Inverval : auto
## Average ##
a = Avg(kubernetes.deployment.replicas.unavailable)

GroupBy-Terms : kubernetes.deployment.name
Top : 10000
OrderBy : Doc Count(default)
Desc

CPU-usage-by-node

  • kubernetes.container.cpu.usage.nanocores
    • CPU used nanocores
    • type: long

Aggregation

  • Time field : @timestamp
  • Inverval : auto
  • Data Formatter : Custom
  • Format string : 0.0a
  • Template : {{value}} nanocores
  • Chart type : Line
## Sum ##
a = Sum(kubernetes.container.cpu.usage.nanocores)

GroupBy-Terms : kubernetes.node.name
Top : 10000
OrderBy : a
Desc
  • kubernetes.node.cpu.capacity.cores
    • Node CPU capacity cores
    • Type: long

Aggregation

  • Time field : @timestamp
  • Inverval : auto
  • Data Formatter : Custom
  • Format string : 0.0a
  • Template : {{value}} nanocores
  • Chart type : Line
## Average ##
cores = Average(kubernetes.node.cpu.capacity.cores)

## Bucket Script ##
expression = params.cores * 1000000000

GroupBy-Terms : kubernetes.node.name
Top : 10000
OrderBy : cores
Desc

Memory-usage-by-node

  • kubernetes.container.memory.usage.bytes
    • Total memory usage
    • type: long
    • format: bytes

Aggregation

  • Time field : @timestamp
  • Inverval : auto
  • Data Formatter : Bytes
  • Template : {{value}}
  • Chart type : Line
## Sum ##
a = Sum(kubernetes.container.memory.usage.bytes)

## CumulativeSum ##
b = CumulativeSum(a)

## Derivative ##
c = Derivative(b)/10s


GroupBy-Terms : kubernetes.node.name
Top : 10000
OrderBy : a
Desc

Node Capacity

  • kubernetes.node.memory.capacity.bytes
    • Node memory capacity in bytes
    • type: long
    • format: bytes

Aggregation

## Sum ##
a = Sum(kubernetes.node.memory.capacity.bytes)

## CumulativeSum ##
b = CumulativeSum(a)

## Derivative ##
c = Derivative(b)/10s


GroupBy-Terms : kubernetes.node.name
Top : 10000
OrderBy : a
Desc

Network-out-by-node

  • kubernetes.pod.network.tx.bytes

    • Transmitted bytes
    • type: long
    • format: bytes

  • kubernetes.node.name

    • Kubernetes node name
    • type: keyword

Aggregation

  • Time field : @timestamp
  • Inverval : auto
  • Data Formatter : Bytes
  • Template : {{value}}
  • Chart type : Line
## Max ##
a = Max(kubernetes.pod.network.tx.bytes)

## Derivative ##
b = Derivative(a)

## Positive Only ##
c = PositiveOnly(b)

GroupBy-Terms - kubernetes.node.name
Top - 10000
OrderBy : a
Desc

Network-in-by-node

  • kubernetes.pod.network.rx.bytes
    • Received bytes
    • type: long
    • format: bytes

Aggregation

  • Time field : @timestamp
  • Inverval : auto
  • Data Formatter : Bytes
  • Template : {{value}}
  • Chart type : Line
## Max ##
a = Max(kubernetes.pod.network.rx.bytes)

## Derivative ##
b = Derivative(a)

## Positive Only ##
c = PositiveOnly(b)

GroupBy-Terms - kubernetes.node.name
Top - 100000
OrderBy : a
Desc

#Top-CPU-intensive-pods

  • kubernetes.container.cpu.usage.core.ns
    • Container CPU Core usage nanoseconds
    • type: long

Aggregation

  • Data timerange mode : Last value
  • Time field : @timestamp
  • Inverval : auto
  • Data Formatter : Custom
  • Format string : 0.0a
  • Template : {{value}} ns
## Max ##
a = Max(kubernetes.container.cpu.usage.core.ns)

## Derivative ##
b = Derivative(a)/1s

## Positive Only ##
c = PositiveOnly(b)

GroupBy-Terms - kubernetes.pod.name
Top - 10
OrderBy : a
Desc

Top-memory-intensive-pods

  • kubernetes.container.memory.usage.bytes
    • Total memory usage
    • type: long
    • format: bytes

Aggregation

  • Data timerange mode : Last value
  • Time field : @timestamp
  • Inverval : auto
  • Data Formatter : Bytes
## Sum ##
a = Sum(kubernetes.container.memory.usage.bytes)

## Cumulative Sum ##
b = CumulativeSum(a)

## Derivative ##
c = Derivative(b)/10s

GroupBy-Terms - kubernetes.pod.name
Top - 10
OrderBy : a
Desc