备份

root@575e8088b5fb:/data# redis-cli LASTSAVE
(integer) 1500273743
root@575e8088b5fb:/data# redis-cli BGSAVE 
Background saving started
root@575e8088b5fb:/data# redis-cli LASTSAVE
(integer) 1500357662
root@575e8088b5fb:/data# ls
dump.rdb