For large datasets, the reports section may take a long time to load, since each report is getting a count of the items it contains to display next to the title.
To mitigate this issue, there is a cap on the number of items that will be counted per report. This is set at 10,000 items by default, but can be configured using the `limit_count_in_overview` configuration variable. Setting this to `null` will result in showing the actual count regardless of how many items there are.
```yml
SilverStripe\Reports\Report:
limit_count_in_overview: 500
```
Note that some reports may have overridden the `getCount` method, and for those reports this may not apply.