https://doc.sitecore.com/xp/en/developers/103/platform-administration-and-architecture/set-the-querystringcache-cache-size.html
Set the QueryStringCache cache size | Sitecore Documentation
Describes how you change the size of the QueryStringCache cache. Applies to Content Delivery, Content Management Sitecore uses the QueryStringCache cache when...
setcachesizesitecoredocumentation