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kubelet: define custom buckets for DRA metrics

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This commit is contained in:
Ed Bartosh 2024-10-28 13:07:14 +02:00
parent 9a044cd46a
commit c1cd8495a5
1 changed files with 7 additions and 2 deletions
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9
pkg/kubelet/metrics/metrics.go
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@ -173,6 +173,11 @@ var (
{60 * 1024 * 1024 * 1024, "60GB-100GB"},
{100 * 1024 * 1024 * 1024, "GT100GB"},
}
// DRADurationBuckets is the bucket boundaries for DRA operation duration metrics
// DRAOperationsDuration and DRAGRPCOperationsDuration defined below in this file.
// The buckets max value 40 is based on the 45sec max gRPC timeout value defined
// for the DRA gRPC calls in the pkg/kubelet/cm/dra/plugin/registration.go
DRADurationBuckets = metrics.ExponentialBucketsRange(.1, 40, 15)
)
var (
@ -950,7 +955,7 @@ var (
Subsystem: DRASubsystem,
Name: DRAOperationsDurationKey,
Help: "Latency histogram in seconds for the duration of handling all ResourceClaims referenced by a pod when the pod starts or stops. Identified by the name of the operation (PrepareResources or UnprepareResources) and separated by the success of the operation. The number of failed operations is provided through the histogram's overall count.",
Buckets: metrics.DefBuckets,
Buckets: DRADurationBuckets,
StabilityLevel: metrics.ALPHA,
},
[]string{"operation_name", "is_error"},
@ -962,7 +967,7 @@ var (
Subsystem: DRASubsystem,
Name: DRAGRPCOperationsDurationKey,
Help: "Duration in seconds of the DRA gRPC operations",
Buckets: metrics.DefBuckets,
Buckets: DRADurationBuckets,
StabilityLevel: metrics.ALPHA,
},
[]string{"driver_name", "method_name", "grpc_status_code"},