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
Northern Virginia, North America	us-east-1
Oregon, North America	us-west-2
Ireland, Europe	eu-west-1
London, Europe	eu-west-2
Frankfurt, Europe	eu-central-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
Assigning Atlas temporary users permission to query a Data Lake
Querying documents larger than 16MB
Adding IP addresses associated with your Data Lakes to your Atlas project's IP access list
Assigning Atlas read-only access to your AWS account with AWS security groups
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
Note
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.

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