Code
redis-cli
# Manual RDB snapshot (foreground, blocks briefly)
127.0.0.1:6379> BGSAVE
Background saving started
127.0.0.1:6379> LASTSAVE
(integer) 1748200000
# Inspect persistence status
127.0.0.1:6379> INFO persistence
# rdb_bgsave_in_progress:0
# rdb_last_save_time:1748200000
# aof_enabled:1
# aof_rewrite_in_progress:0
# AOF (append-only file) controls
127.0.0.1:6379> CONFIG SET appendonly yes
127.0.0.1:6379> BGREWRITEAOF # compact the AOF
127.0.0.1:6379> CONFIG SET appendfsync everysec # always|everysec|no
# Online backup without stopping Redis: BGSAVE then copy the dump file
$ redis-cli BGSAVE
$ while [ "$(redis-cli INFO persistence | grep rdb_bgsave_in_progress | tr -d '
')" != "rdb_bgsave_in_progress:0" ]; do sleep 1; done
$ cp /var/lib/redis/dump.rdb /backup/dump-$(date +%F).rdb
# DEBUG SLEEP (testing only) — blocks server for N seconds
127.0.0.1:6379> DEBUG SLEEP 2
# Shutdown options
127.0.0.1:6379> SHUTDOWN SAVE # save then quit
127.0.0.1:6379> SHUTDOWN NOSAVE # quit without saving