Namespace concurrentHelper

Index

Variables

Functions

Variables

backoffFactor

backoffFactor: number = 2.0

The wait growth factor when repeatedly backing off.

backoffInitial

backoffInitial: number = 2000

The initial wait when backing off on request rate.

backoffMax

backoffMax: number = 60000

The maximum wait when backing off on request rate.

concurrentFactor

concurrentFactor: number = 20

The maximum number of concurrent requests to have pending.

Functions

concurrentPutAll

concurrentPutAll(dynamodb: DynamoDB, putInputs: PutItemInput[]): Promise<{ error: Error; input: aws.DynamoDB.PutItemInput }[]>

- Defined in concurrentHelper.ts:56
Manages a number of concurrent dynamodb putItem requests. Put requests are more powerful than batchWrites but cannot be done in batch form. Making them concurrently is the next best thing.

Parameters
- dynamodb: DynamoDB
- putInputs: PutItemInput[]
Returns Promise<{ error: Error; input: aws.DynamoDB.PutItemInput }[]>
A Promise of an array of objects of errors with the corresponding input.

configure

configure(options: { backoffFactor?: number; backoffInitial?: number; backoffMax?: number; concurrentFactor?: number }): void

- Defined in concurrentHelper.ts:28
Configure module settings for: concurrentFactor, backoffInitial, backoffMax, backoffFactor. See the module member for individual documentation.

Parameters
- options: { backoffFactor?: number; backoffInitial?: number; backoffMax?: number; concurrentFactor?: number }
  
  an object with optional values for the settings
  - Optional backoffFactor?: number
  - Optional backoffInitial?: number
  - Optional backoffMax?: number
  - Optional concurrentFactor?: number
Returns void

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