All the TestRay related data is stored in its own dedicated database and it doesn't impact your Jira Cloud host server database. The data primarily made up of attachments, test steps, execution history etc, which is created from TestRay functionalities.
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Where is TestRay data stored?
TestRay cloud server is hosted completely on AWS, so the data is stored in AWS server as well, our data centers are currently located in the US region.
What is data storage limit?
As of now we don't have store limit.
How lone customer data can be stored?
TestRay stores the customer data for 6 months after the subscription has expired. During the period, once the license renewed, users can continue with the application where they left off.