Comment on How Instagram Feeds Work: Celery and RabbitMQComments−alttab12yIf they are using EC2 hosts, I wonder why they don't use AWS SQS/SNS for their queue systems and Dynamo for their materialized views.−adamnemecek12yProbably due to lock in.−dclusin12yIsn't the cost of those services also a function of the number of requests? E.g. they bill on a request basis, not an hourly cpu time basis?
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If they are using EC2 hosts, I wonder why they don't use AWS SQS/SNS for their queue systems and Dynamo for their materialized views.
Probably due to lock in.
Isn't the cost of those services also a function of the number of requests? E.g. they bill on a request basis, not an hourly cpu time basis?