It's running on a Uberspace server - I don't have the specs (1.5GB RAM max).
You can try to optimize the item table or try to adapt your DB config.Also, do you have configured expiration in admin/site? This helps to keep the item table at a sane size...
Documentation somewhere to describe how, please?
Expiration is pretty self explaining if you care to look at#^https://zotum.net/admin/site
this is for administrators only.
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