Guidelines and Limits - Amazon Forecast

Guidelines and Limits

The following sections contain information about Amazon Forecast guidelines and limits.

Supported AWS Regions

For a list of AWS Regions that support Forecast, see AWS Regions and Endpoints in the Amazon Web Services General Reference.

Compliance

For more information about Forecast compliance programs, see AWS Compliance, AWS Compliance Programs, and AWS Services in Scope by Compliance Program.

Service Limits

Forecast has the following service limits.

Limits Imposed by the CreateDatasetImportJob API
Resource Default Limit
Maximum number of files in your Amazon S3 bucket 10,000
Maximum cumulative size of all files in your Amazon S3 bucket 5 GB
Maximum number of datasets in a dataset group 3 (1 for each type)
Maximum number of rows in a dataset 100 million

Maximum number of columns in a target time series dataset

(required columns + additional forecast dimensions)

13 (3 + 10)

Maximum number of columns in a related time series dataset

(required columns + additional forecast dimensions + related features)

25 (2 + 10 + 13)
Maximum number of columns in an item metadata dataset 10
Limits Imposed by the CreatePredictor API
Resource Default Limit
Maximum NumberOfBacktestWindows (EvaluationParameters) 5

Maximum number of forecasts per predictor

(number of items X number of unique values across forecast dimensions in the target time series dataset)

100,000 across all target time series dimensions

(For instance, you can have 100,000 items, or 10 items in 10,000 locations, or 10 items in 100 warehouses in 100 cities.)

Forecast horizon The lesser of 500 data points or 1/3 of the target time series dataset length
General Resource Limits
Resource Default Limit
Maximum parallel running CreateDatasetImportJob tasks 3
Maximum parallel running CreatePredictor tasks 3
Maximum parallel running CreateForecast tasks 3
Maximum number of dataset import jobs 1000
Maximum number of predictors 500
Maximum number of forecasts 10
Maximum number of forecast export jobs 1000
Maximum number of parallel forecast export jobs 3
Maximum time for which a forecast can be queried on (console or API) 30 days