Data Lake Limitations
Atlas Data Lake supports the following Amazon S3 storage classes only:
Atlas Data Lake routes your Data Lake requests through one of the following regions only:
Data Lake Regions | AWS Regions |
|---|---|
Virginia, USA | us-east-1 |
Oregon, USA | us-west-2 |
Sao Paulo, Brazil | sa-east-1 |
Ireland | eu-west-1 |
London, England | eu-west-2 |
Frankfurt, Germany | eu-central-1 |
Mumbai, India | ap-south-1 |
Sydney, Australia | ap-southeast-2 |
Data Lake does not support the following features:
- Creating Indexes
- Monitoring Data Lakes with Atlas monitoring tools
- Creating a Data Lake with S3 buckets from more than one AWS account
- Querying documents larger than 16MB
- Returning more than 100 collections for wildcard collections
- Returning documents in the same order across queries unless imposed by the query operators used
- Having more than 60 guaranteed simultaneous connections per region to a Data Lake
Running more than 30 simultaneous queries on your Data Lake
If your aggregation pipeline only contains the $currentOp stage, Atlas Data Lake doesn't enforce the limit on the maximum number of simultaneous queries. You can run queries that only contain the $currentOp stage even after you reach the maximum number of simultaneous queries.
ImportantAtlas Data Lake automatically expires your cursor if you do not consume at least 16MiB of results every 1 minute.