redis 127.0.0.1:6379[3]> config get maxmemory
1) "maxmemory"
2) "536870912"

redis 127.0.0.1:6379[3]> CONFIG GET maxmemory-policy
1) "maxmemory-policy"
2) "allkeys-lru"

redis 127.0.0.1:6379[3]> info all
# Server
redis_version:2.6.11
redis_git_sha1:00000000
redis_git_dirty:0
redis_mode:standalone
os:Linux 2.6.32-5-amd64 x86_64
arch_bits:64
multiplexing_api:epoll
gcc_version:4.4.5
process_id:1776
run_id:2f49d083e902e8e5bbd333b3a1baa0039e44a1ee
tcp_port:6379
uptime_in_seconds:181097
uptime_in_days:2
hz:10
lru_clock:144041

# Clients
connected_clients:44
client_longest_output_list:0
client_biggest_input_buf:0
blocked_clients:0

# Memory
used_memory:538263192
used_memory_human:513.33M
used_memory_rss:1326256128
used_memory_peak:540070344
used_memory_peak_human:515.05M
used_memory_lua:625938432
mem_fragmentation_ratio:2.46
mem_allocator:jemalloc-3.2.0

# Persistence
loading:0
rdb_changes_since_last_save:39634486
rdb_bgsave_in_progress:0
rdb_last_save_time:1406351161
rdb_last_bgsave_status:ok
rdb_last_bgsave_time_sec:-1
rdb_current_bgsave_time_sec:-1
aof_enabled:0
aof_rewrite_in_progress:0
aof_rewrite_scheduled:0
aof_last_rewrite_time_sec:-1
aof_current_rewrite_time_sec:-1
aof_last_bgrewrite_status:ok

# Stats
total_connections_received:12501
total_commands_processed:278469931
instantaneous_ops_per_sec:1478
rejected_connections:0
expired_keys:236726
evicted_keys:1600240
keyspace_hits:34852991
keyspace_misses:221309688
pubsub_channels:0
pubsub_patterns:0
latest_fork_usec:0

# Replication
role:master
connected_slaves:0

# CPU
used_cpu_sys:7062.76
used_cpu_user:2694.82
used_cpu_sys_children:0.00
used_cpu_user_children:0.00

# Commandstats
cmdstat_get:calls=188384109,usec=362883617,usec_per_call=1.93
cmdstat_set:calls=16899567,usec=65365893,usec_per_call=3.87
cmdstat_setnx:calls=1170244,usec=3340562,usec_per_call=2.85
cmdstat_setex:calls=924142,usec=4159548,usec_per_call=4.50
cmdstat_del:calls=31580676,usec=66961603,usec_per_call=2.12
cmdstat_incr:calls=467838,usec=1432304,usec_per_call=3.06
cmdstat_mget:calls=33587587,usec=85596678,usec_per_call=2.55
cmdstat_incrby:calls=1864528,usec=4217107,usec_per_call=2.26
cmdstat_mset:calls=2253314,usec=9074308,usec_per_call=4.03
cmdstat_select:calls=11295,usec=25022,usec_per_call=2.22
cmdstat_expire:calls=688423,usec=1893756,usec_per_call=2.75
cmdstat_flushdb:calls=2,usec=20,usec_per_call=10.00
cmdstat_info:calls=1207,usec=235816,usec_per_call=195.37
cmdstat_config:calls=3,usec=40025,usec_per_call=13341.67
cmdstat_eval:calls=636996,usec=108989315,usec_per_call=171.10

# Keyspace