@tadano Yes, probably. If that is too much you can adjust data retention settings: https://codeberg.org/silverpill/mitra/src/commit/4befde1b4b41d598f260eb04620fd2c961354263/config.example.yaml#L67-L71
On my instance I keep remote posts only for 5 days:
# du -sh /var/lib/mitra 6.3G /var/lib/mitra