A double-arrow is displayed above the Output pop-up menu if the report is going to be prepared on the server instead of the client.
If the network latency is high (i.e. higher than a wired network), most reports will attempt to run on the server instead of the client when using Datacentre1. In general this will be much faster because it saves a great many database requests from having to run over the network.
When a report is running on the server the following progress window is displayed. Click Cancel to safely stop the report preparation.
1 This is controlled by the Run on server if possible option in the report settings.
↩
