@bea
Which means that server admins start moving energetically after Gargron make new release.
Cans are canned Mackerel(さば缶).
Mackerel(鯖(saba)) is slang for server.
can(缶) is acronym for admin(管理者(kanrisya)).
So, canned Mackerel(鯖缶) = server admin.