The only reason you might want more would be if you colocate your Redis or PostgreSQL services on a non-SSD system.
Bidh 1/2 GB de RAM pailt do dh’ionstans PeerTube bunasach a dh’fheumas 150 MB san RAM air a char as motha. Cha bhiodh tu ag iarraidh a bharrachd ach nan robh thu airson nan seirbheisean Redis no PostgreSQL a chur air an aon siostam às aonais SSD.