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Whenever installing Xray 3.2.0 the first time, this implies that an upgrade task must run to pre-calculate historical data. This action is a one time action and it will run in the background, so that your instance can still be used. HoweverXray is still available during upgrade. However, this process may be long and heavy depending on the Jira instance size and thus we recommend to perform the upgrade at off peak times.
In order to manage this calculation, Xray provides a panel inside "Custom field preferences" page from where you can stop, start and follow progress of it.
After installing version 3.2.0 of Xray, a re-index operation of your Jira instance is required so that the internal data becomes searchable and usable by Xray.
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