2 * Enumeration of worker choice strategies.
4 export const WorkerChoiceStrategies
= Object.freeze({
6 * Round robin worker selection strategy.
8 ROUND_ROBIN
: 'ROUND_ROBIN',
10 * Less used worker selection strategy.
12 LESS_USED
: 'LESS_USED',
14 * Less busy worker selection strategy.
16 LESS_BUSY
: 'LESS_BUSY',
18 * Fair share worker selection strategy.
20 FAIR_SHARE
: 'FAIR_SHARE',
22 * Weighted round robin worker selection strategy.
24 WEIGHTED_ROUND_ROBIN
: 'WEIGHTED_ROUND_ROBIN'
28 * Worker choice strategy.
30 export type WorkerChoiceStrategy
= keyof
typeof WorkerChoiceStrategies
33 * Worker choice strategy options.
35 export interface WorkerChoiceStrategyOptions
{
37 * Use tasks median run time instead of average run time.
43 * Pool worker tasks usage statistics requirements.
47 export interface RequiredStatistics
{
49 * Require tasks run time.
53 * Require tasks average run time.
57 * Require tasks median run time.
63 * Worker choice strategy interface.
65 export interface IWorkerChoiceStrategy
{
67 * Required tasks usage statistics.
69 readonly requiredStatistics
: RequiredStatistics
71 * Resets strategy internals (counters, statistics, etc.).
75 * Chooses a worker node in the pool and returns its key.
79 * Removes a worker node key from strategy internals.
81 * @param workerNodeKey - The worker node key.
83 remove
: (workerNodeKey
: number) => boolean