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Kube_scheduler

Agent Check Agent Check

Supported OS: Linux Mac OS Windows

Overview

This check monitors Kube_scheduler, part of the Kubernetes control plane.

Setup

Installation

The Kube_scheduler check is included in the Datadog Agent package. No additional installation is needed on your server.

Configuration

  1. Edit the kube_scheduler.d/conf.yaml file, in the conf.d/ folder at the root of your Agent’s configuration directory to start collecting your kube_scheduler performance data. See the sample kube_scheduler.d/conf.yaml for all available configuration options.

  2. Restart the Agent.

Validation

Run the Agent’s status subcommand and look for kube_scheduler under the Checks section.

Data Collected

Metrics

kube_scheduler.binding_duration.count
(gauge)
Number of latency in seconds
kube_scheduler.binding_duration.sum
(gauge)
Total binding latency in seconds
kube_scheduler.cache.lookups
(count)
Number of equivalence cache lookups, by whether or not a cache entry was found
kube_scheduler.client.http.requests
(count)
Number of HTTP requests, partitioned by status code, method, and host
kube_scheduler.client.http.requests_duration.count
(gauge)
Number of client requests. Broken down by verb and URL
kube_scheduler.client.http.requests_duration.sum
(gauge)
Total latency. Broken down by verb and URL
kube_scheduler.gc_duration_seconds.count
(gauge)
Number of the GC invocation
kube_scheduler.gc_duration_seconds.quantile
(gauge)
GC invocation durations quantiles
kube_scheduler.gc_duration_seconds.sum
(gauge)
GC invocation durations sum
kube_scheduler.goroutines
(gauge)
Number of goroutines that currently exist
kube_scheduler.max_fds
(gauge)
Maximum allowed open file descriptors
kube_scheduler.open_fds
(gauge)
Number of open file descriptors
kube_scheduler.pod_preemption.victims
(gauge)
Number of selected pods during the latest preemption round
kube_scheduler.pod_preemption.attempts
(counter)
Number of preemption attempts in the cluster till now
kube_scheduler.schedule_attempts
(gauge)
Number of attempts to schedule pods, by the result. 'unschedulable' means a pod could not be scheduled, while 'error' means an internal scheduler problem.
kube_scheduler.scheduling.algorithm_duration.count
(gauge)
Number of scheduling algorithm latency
kube_scheduler.scheduling.algorithm_duration.sum
(gauge)
Total scheduling algorithm latency
kube_scheduler.scheduling.algorithm.predicate_duration.count
(gauge)
Number of scheduling algorithm predicate evaluation
kube_scheduler.scheduling.algorithm.predicate_duration.sum
(gauge)
Total scheduling algorithm predicate evaluation duration
kube_scheduler.scheduling.algorithm.preemption_duration.count
(gauge)
Number of scheduling algorithm preemption evaluation
kube_scheduler.scheduling.algorithm.preemption_duration.sum
(gauge)
Total scheduling algorithm preemption evaluation duration
kube_scheduler.scheduling.algorithm.priority_duration.count
(gauge)
Number of scheduling algorithm priority evaluation
kube_scheduler.scheduling.algorithm.priority_duration.sum
(gauge)
Total scheduling algorithm priority evaluation duration
kube_scheduler.scheduling.e2e_scheduling_duration.count
(gauge)
Number of E2e scheduling latency (scheduling algorithm + binding)
kube_scheduler.scheduling.e2e_scheduling_duration.sum
(gauge)
Total E2e scheduling latency (scheduling algorithm + binding)
kube_scheduler.scheduling.scheduling_duration.count
(gauge)
Number of scheduling split by sub-parts of the scheduling operation
kube_scheduler.scheduling.scheduling_duration.quantile
(gauge)
Scheduling latency quantiles split by sub-parts of the scheduling operation
kube_scheduler.scheduling.scheduling_duration.sum
(gauge)
Total scheduling latency split by sub-parts of the scheduling operation
kube_scheduler.threads
(gauge)
Number of OS threads created
kube_scheduler.volume_scheduling_duration.count
(gauge)
Number of Volume scheduling
kube_scheduler.volume_scheduling_duration.sum
(gauge)
Total Volume scheduling stage latency

Service Checks

kube_scheduler.prometheus.health:

Returns CRITICAL if the Agent cannot reach the metrics endpoints.

Events

Kube_scheduler does not include any events.

Troubleshooting

Need help? Contact Datadog support.


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