X-Git-Url: https://git.piment-noir.org/?a=blobdiff_plain;f=src%2Fpools%2Fselection-strategies%2Fselection-strategies-types.ts;h=1a8ea298198d842bd8cd622f74abb6a30f7b28fc;hb=63af54001cdb7be2f14d51be593a7f96c8c480b6;hp=6a6dfe726d6287690eae99934f0dbaa27722360b;hpb=1416660efeb6aabf366295ebc79067ccc4df9897;p=poolifier.git diff --git a/src/pools/selection-strategies/selection-strategies-types.ts b/src/pools/selection-strategies/selection-strategies-types.ts index 6a6dfe72..1a8ea298 100644 --- a/src/pools/selection-strategies/selection-strategies-types.ts +++ b/src/pools/selection-strategies/selection-strategies-types.ts @@ -1,7 +1,15 @@ /** * Enumeration of worker choice strategies. */ -export const WorkerChoiceStrategies = Object.freeze({ +export const WorkerChoiceStrategies: Readonly<{ + ROUND_ROBIN: 'ROUND_ROBIN' + LEAST_USED: 'LEAST_USED' + LEAST_BUSY: 'LEAST_BUSY' + LEAST_ELU: 'LEAST_ELU' + FAIR_SHARE: 'FAIR_SHARE' + WEIGHTED_ROUND_ROBIN: 'WEIGHTED_ROUND_ROBIN' + INTERLEAVED_WEIGHTED_ROUND_ROBIN: 'INTERLEAVED_WEIGHTED_ROUND_ROBIN' +}> = Object.freeze({ /** * Round robin worker selection strategy. */ @@ -42,7 +50,11 @@ export type WorkerChoiceStrategy = keyof typeof WorkerChoiceStrategies /** * Enumeration of measurements. */ -export const Measurements = Object.freeze({ +export const Measurements: Readonly<{ + runTime: 'runTime' + waitTime: 'waitTime' + elu: 'elu' +}> = Object.freeze({ runTime: 'runTime', waitTime: 'waitTime', elu: 'elu' @@ -67,12 +79,6 @@ export interface MeasurementOptions { * Worker choice strategy options. */ export interface WorkerChoiceStrategyOptions { - /** - * Number of worker choice retries to perform if no worker is eligible. - * - * @defaultValue 6 - */ - readonly choiceRetries?: number /** * Measurement to use in worker choice strategy supporting it. */ @@ -96,12 +102,12 @@ export interface WorkerChoiceStrategyOptions { */ readonly elu?: MeasurementOptions /** - * Worker weights to use for weighted round robin worker selection strategy. - * Weight is the tasks maximum average or median runtime in milliseconds. + * Worker weights to use for weighted round robin worker selection strategies. + * A weight is tasks maximum execution time in milliseconds for a worker node. * - * @defaultValue Computed worker weights automatically given the CPU performance. + * @defaultValue Weights computed automatically given the CPU performance. */ - readonly weights?: Record + weights?: Record } /** @@ -182,13 +188,15 @@ export interface IWorkerChoiceStrategy { readonly reset: () => boolean /** * Updates the worker node key strategy internals. + * This is called after a task has been executed on a worker node. * * @returns `true` if the update is successful, `false` otherwise. */ readonly update: (workerNodeKey: number) => boolean /** * Chooses a worker node in the pool and returns its key. - * If the worker node is not eligible, `undefined` is returned. + * If no worker nodes are not eligible, `undefined` is returned. + * If `undefined` is returned, the caller retry. * * @returns The worker node key or `undefined`. */ @@ -205,5 +213,5 @@ export interface IWorkerChoiceStrategy { * * @param opts - The worker choice strategy options. */ - readonly setOptions: (opts: WorkerChoiceStrategyOptions) => void + readonly setOptions: (opts: WorkerChoiceStrategyOptions | undefined) => void }