du -sh /var/lib/mysql/hubzilla20G /var/lib/mysql/hubzilladu -sh /var/www/hubzilla3.2G /var/www/hubzilla
root@zotum:/usr/local/www/zotum.net # zfs list -t snapshotNAME USED AVAIL REFER MOUNTPOINTzroot/var/db/mysql@20181012 1.65M - 1.54G -zroot/var/db/mysql@20181013 1.57M - 1.58G -zroot/var/db/mysql@20181014 1.72M - 1.63G -zroot/var/db/mysql/innodb@20181012 23.8M - 280M -zroot/var/db/mysql/innodb@20181013 20.3M - 284M -zroot/var/db/mysql/innodb@20181014 25.9M - 289M -zroot/var/db/mysql/logs@20181012 15.3M - 203M -zroot/var/db/mysql/logs@20181013 432K - 205M -zroot/var/db/mysql/logs@20181014 424K - 208M -
Also, I think Mastodon/ActivityPub have a VERY different message distribution model.