good article by josiah carlson on redis memory usage estimation, including copy-on-write worst case during bgsave: https://groups.google.com/d/msg/redis-db/02oq_dnza3s/l_uewdt3d4sjcomments good article by josiah carlson on redis memory usage estimation, including copy-on-write worst case during bgsave: https://groups.google.com/d/msg/redis-db/02oq_dnza3s/l_uewdt3d4sjcomments
