Connect to MemoryDB from Lambda



I am trying to connect to my MemoryDB instance my VPC. Memorydb is up and running I can connect to it from another EC2 in the same subnet, but I cannot connect to the MemoryDB from the Lambda function, I receive timeout. The lambda function is configured in the same VPC and subnet. The security group is configured to allow connections to MemoryDB port 6379.

If anyone knows how to configure this properly please help.

Thank you

2 Answers
Accepted Answer

somehow removing the ":6379/0" from the redis connection string made it work on lambda

answered a year ago

Did you add the Lambda's security group to the Memory DB's security group? If they are not in the same subnet, check also NACLs.

profile pictureAWS
answered a year ago
  • yep, they are in the same subnet, and use the same security group

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