Interface TasksQueueOptions

Worker node tasks queue options.

interface TasksQueueOptions {
    concurrency?: number;
    size?: number;
    tasksFinishedTimeout?: number;
    tasksStealingOnBackPressure?: boolean;
    tasksStealingRatio?: number;
    taskStealing?: boolean;
}

Properties

concurrency? size? tasksFinishedTimeout? tasksStealingOnBackPressure? tasksStealingRatio? taskStealing?

Properties

Optional Readonlyconcurrency

concurrency?: number

Maximum number of tasks that can be executed concurrently on a worker node.

Default Value

1

Optional Readonlysize

size?: number

Maximum tasks queue size per worker node flagging it as back pressured.

Default Value

(pool maximum size)^2

Optional ReadonlytasksFinishedTimeout

tasksFinishedTimeout?: number

Queued tasks finished timeout in milliseconds at worker node termination.

Default Value

2000

Optional ReadonlytasksStealingOnBackPressure

tasksStealingOnBackPressure?: boolean

Whether to enable tasks stealing under back pressure.

Default Value

true

Optional ReadonlytasksStealingRatio

tasksStealingRatio?: number

Ratio of worker nodes that can steal tasks from another worker node.

Default Value

0.6

Optional ReadonlytaskStealing

taskStealing?: boolean

Whether to enable task stealing on idle.

Default Value

true

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