redis-cli SAVE

/var/opt/gitlab/redis/dump.rdb

BGSAVE
gitlab-rails runner

redis-cli [ info server | memory usage | info memory | memory stats | memory doctor | dbsize | flushall | ping | monitor | --bigkeys | --stat | --scan | --latency | --latency-history | --latency-dist | --intrinsic-latency 5 | -x | -h ] redis-cli --help, redis-cli SAVE