Check replication info redis
Show master/replica role, replication offset, connected replicas
redis-cli -h redis INFO replication
more redis
all 32 commands →
Scan keys by pattern
redis-cli -h redis --scan --pattern 'session:*' | head -20
TTL of a key
redis-cli -h redis TTL <key>
Monitor real-time commands
redis-cli MONITOR | grep -v PING
Show slow query log
redis-cli SLOWLOG GET 20
Memory usage per key pattern
redis-cli --scan --pattern 'session:*' | xargs -n1 redis-cli MEMORY USAGE | awk '{sum+=$1} END{print sum/1024/1024" MB"}'