AdaptiveOptions

Defined in: packages/core/src/utils/adaptive-concurrency.ts:6

Tuning for AdaptiveConcurrency.

Properties

holdWindows?

optional holdWindows?: number

Defined in: packages/core/src/utils/adaptive-concurrency.ts:20

Windows to hold after a timeout back-off before raising again (default 3).

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initial

initial: number

Defined in: packages/core/src/utils/adaptive-concurrency.ts:8

Starting in-flight limit.

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lagLimitMs?

optional lagLimitMs?: number

Defined in: packages/core/src/utils/adaptive-concurrency.ts:18

Event-loop lag p99 above this (ms) counts as unhealthy (default 100).

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latencyTolerance?

optional latencyTolerance?: number

Defined in: packages/core/src/utils/adaptive-concurrency.ts:16

p95 latency may grow this much over the first window before the window counts as unhealthy (default 1.25).

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logger?

optional logger?: Logger

Defined in: packages/core/src/utils/adaptive-concurrency.ts:22

Scoped logger; every limit change is logged with its reason.

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max

max: number

Defined in: packages/core/src/utils/adaptive-concurrency.ts:12

Highest limit.

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min?

optional min?: number

Defined in: packages/core/src/utils/adaptive-concurrency.ts:10

Lowest limit (default 1).

---

readLagMs?

optional readLagMs?: () => number

Defined in: packages/core/src/utils/adaptive-concurrency.ts:14

Event-loop lag p99 (ms) since the previous reading; defaults to a perf_hooks histogram.

Returns

number