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apiserver: add fields for borrowing in apf flowcontrol

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Abu Kashem 2022-10-03 13:09:09 -04:00 committed by Mike Spreitzer
parent 2f22404003
commit a7e84a4537
5 changed files with 145 additions and 0 deletions
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29
pkg/apis/flowcontrol/types.go
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@ -416,6 +416,35 @@ type LimitedPriorityLevelConfiguration struct {
// `limitResponse` indicates what to do with requests that can not be executed right now
LimitResponse LimitResponse
// `lendablePercent` prescribes the fraction of the level's NominalCL that
// can be borrowed by other priority levels. The value of this
// field must be between 0 and 100, inclusive, and it defaults to 0.
// The number of seats that other levels can borrow from this level, known
// as this level's LendableConcurrencyLimit (LendableCL), is defined as follows.
//
// LendableCL(i) = round( NominalCL(i) * lendablePercent(i)/100.0 )
//
// +optional
LendablePercent *int32
// `borrowingLimitPercent`, if present, configures a limit on how many
// seats this priority level can borrow from other priority levels.
// The limit is known as this level's BorrowingConcurrencyLimit
// (BorrowingCL) and is a limit on the total number of seats that this
// level may borrow at any one time.
// This field holds the ratio of that limit to the level's nominal
// concurrency limit. When this field is non-nil, it must hold a
// non-negative integer and the limit is calculated as follows.
//
// BorrowingCL(i) = round( NominalCL(i) * borrowingLimitPercent(i)/100.0 )
//
// The value of this field can be more than 100, implying that this
// priority level can borrow a number of seats that is greater than
// its own nominal concurrency limit (NominalCL).
// When this field is left `nil`, the limit is effectively infinite.
// +optional
BorrowingLimitPercent *int32
}
// LimitResponse defines how to handle requests that can not be executed right now.

29
staging/src/k8s.io/api/flowcontrol/v1alpha1/types.go
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@ -438,6 +438,35 @@ type LimitedPriorityLevelConfiguration struct {
// `limitResponse` indicates what to do with requests that can not be executed right now
LimitResponse LimitResponse `json:"limitResponse,omitempty" protobuf:"bytes,2,opt,name=limitResponse"`
// `lendablePercent` prescribes the fraction of the level's NominalCL that
// can be borrowed by other priority levels. The value of this
// field must be between 0 and 100, inclusive, and it defaults to 0.
// The number of seats that other levels can borrow from this level, known
// as this level's LendableConcurrencyLimit (LendableCL), is defined as follows.
//
// LendableCL(i) = round( NominalCL(i) * lendablePercent(i)/100.0 )
//
// +optional
LendablePercent *int32 `json:"lendablePercent,omitempty" protobuf:"varint,3,opt,name=lendablePercent"`
// `borrowingLimitPercent`, if present, configures a limit on how many
// seats this priority level can borrow from other priority levels.
// The limit is known as this level's BorrowingConcurrencyLimit
// (BorrowingCL) and is a limit on the total number of seats that this
// level may borrow at any one time.
// This field holds the ratio of that limit to the level's nominal
// concurrency limit. When this field is non-nil, it must hold a
// non-negative integer and the limit is calculated as follows.
//
// BorrowingCL(i) = round( NominalCL(i) * borrowingLimitPercent(i)/100.0 )
//
// The value of this field can be more than 100, implying that this
// priority level can borrow a number of seats that is greater than
// its own nominal concurrency limit (NominalCL).
// When this field is left `nil`, the limit is effectively infinite.
// +optional
BorrowingLimitPercent *int32 `json:"borrowingLimitPercent,omitempty" protobuf:"varint,4,opt,name=borrowingLimitPercent"`
}
// LimitResponse defines how to handle requests that can not be executed right now.

29
staging/src/k8s.io/api/flowcontrol/v1beta1/types.go
View File

@ -474,6 +474,35 @@ type LimitedPriorityLevelConfiguration struct {
// `limitResponse` indicates what to do with requests that can not be executed right now
LimitResponse LimitResponse `json:"limitResponse,omitempty" protobuf:"bytes,2,opt,name=limitResponse"`
// `lendablePercent` prescribes the fraction of the level's NominalCL that
// can be borrowed by other priority levels. The value of this
// field must be between 0 and 100, inclusive, and it defaults to 0.
// The number of seats that other levels can borrow from this level, known
// as this level's LendableConcurrencyLimit (LendableCL), is defined as follows.
//
// LendableCL(i) = round( NominalCL(i) * lendablePercent(i)/100.0 )
//
// +optional
LendablePercent *int32 `json:"lendablePercent,omitempty" protobuf:"varint,3,opt,name=lendablePercent"`
// `borrowingLimitPercent`, if present, configures a limit on how many
// seats this priority level can borrow from other priority levels.
// The limit is known as this level's BorrowingConcurrencyLimit
// (BorrowingCL) and is a limit on the total number of seats that this
// level may borrow at any one time.
// This field holds the ratio of that limit to the level's nominal
// concurrency limit. When this field is non-nil, it must hold a
// non-negative integer and the limit is calculated as follows.
//
// BorrowingCL(i) = round( NominalCL(i) * borrowingLimitPercent(i)/100.0 )
//
// The value of this field can be more than 100, implying that this
// priority level can borrow a number of seats that is greater than
// its own nominal concurrency limit (NominalCL).
// When this field is left `nil`, the limit is effectively infinite.
// +optional
BorrowingLimitPercent *int32 `json:"borrowingLimitPercent,omitempty" protobuf:"varint,4,opt,name=borrowingLimitPercent"`
}
// LimitResponse defines how to handle requests that can not be executed right now.

29
staging/src/k8s.io/api/flowcontrol/v1beta2/types.go
View File

@ -474,6 +474,35 @@ type LimitedPriorityLevelConfiguration struct {
// `limitResponse` indicates what to do with requests that can not be executed right now
LimitResponse LimitResponse `json:"limitResponse,omitempty" protobuf:"bytes,2,opt,name=limitResponse"`
// `lendablePercent` prescribes the fraction of the level's NominalCL that
// can be borrowed by other priority levels. The value of this
// field must be between 0 and 100, inclusive, and it defaults to 0.
// The number of seats that other levels can borrow from this level, known
// as this level's LendableConcurrencyLimit (LendableCL), is defined as follows.
//
// LendableCL(i) = round( NominalCL(i) * lendablePercent(i)/100.0 )
//
// +optional
LendablePercent *int32 `json:"lendablePercent,omitempty" protobuf:"varint,3,opt,name=lendablePercent"`
// `borrowingLimitPercent`, if present, configures a limit on how many
// seats this priority level can borrow from other priority levels.
// The limit is known as this level's BorrowingConcurrencyLimit
// (BorrowingCL) and is a limit on the total number of seats that this
// level may borrow at any one time.
// This field holds the ratio of that limit to the level's nominal
// concurrency limit. When this field is non-nil, it must hold a
// non-negative integer and the limit is calculated as follows.
//
// BorrowingCL(i) = round( NominalCL(i) * borrowingLimitPercent(i)/100.0 )
//
// The value of this field can be more than 100, implying that this
// priority level can borrow a number of seats that is greater than
// its own nominal concurrency limit (NominalCL).
// When this field is left `nil`, the limit is effectively infinite.
// +optional
BorrowingLimitPercent *int32 `json:"borrowingLimitPercent,omitempty" protobuf:"varint,4,opt,name=borrowingLimitPercent"`
}
// LimitResponse defines how to handle requests that can not be executed right now.

29
staging/src/k8s.io/api/flowcontrol/v1beta3/types.go
View File

@ -472,6 +472,35 @@ type LimitedPriorityLevelConfiguration struct {
// `limitResponse` indicates what to do with requests that can not be executed right now
LimitResponse LimitResponse `json:"limitResponse,omitempty" protobuf:"bytes,2,opt,name=limitResponse"`
// `lendablePercent` prescribes the fraction of the level's NominalCL that
// can be borrowed by other priority levels. The value of this
// field must be between 0 and 100, inclusive, and it defaults to 0.
// The number of seats that other levels can borrow from this level, known
// as this level's LendableConcurrencyLimit (LendableCL), is defined as follows.
//
// LendableCL(i) = round( NominalCL(i) * lendablePercent(i)/100.0 )
//
// +optional
LendablePercent *int32 `json:"lendablePercent,omitempty" protobuf:"varint,3,opt,name=lendablePercent"`
// `borrowingLimitPercent`, if present, configures a limit on how many
// seats this priority level can borrow from other priority levels.
// The limit is known as this level's BorrowingConcurrencyLimit
// (BorrowingCL) and is a limit on the total number of seats that this
// level may borrow at any one time.
// This field holds the ratio of that limit to the level's nominal
// concurrency limit. When this field is non-nil, it must hold a
// non-negative integer and the limit is calculated as follows.
//
// BorrowingCL(i) = round( NominalCL(i) * borrowingLimitPercent(i)/100.0 )
//
// The value of this field can be more than 100, implying that this
// priority level can borrow a number of seats that is greater than
// its own nominal concurrency limit (NominalCL).
// When this field is left `nil`, the limit is effectively infinite.
// +optional
BorrowingLimitPercent *int32 `json:"borrowingLimitPercent,omitempty" protobuf:"varint,4,opt,name=borrowingLimitPercent"`
}
// LimitResponse defines how to handle requests that can not be executed right now.