used_memory_human:1.40G //数据占用了多少内存

如果redis是直接安装的方式 ，不用进行docker窗口，直接运行redis-cli .，运行info 术可以查到。
_human标识的表示单位容易让人阅读。

[root@localhost ~]# docker exec -it 1f08d6ae5044 /bin/bash
root@1f08d6ae5044:/data# redis-cli
127.0.0.1:6379> info
# Server
redis_version:6.0.9
redis_git_sha1:00000000
redis_git_dirty:0
redis_build_id:11509227cb1fdf31
redis_mode:standalone
os:Linux 3.10.0-862.el7.x86_64 x86_64
arch_bits:64
multiplexing_api:epoll
atomicvar_api:atomic-builtin
gcc_version:8.3.0
process_id:1
run_id:ccf53b0d64e37a1bf24c8f9feca529345a8e50b7
tcp_port:6379
uptime_in_seconds:403077
uptime_in_days:4
hz:10
configured_hz:10
lru_clock:3668260
executable:/data/redis-server
config_file:
io_threads_active:0

# Clients
connected_clients:2
client_recent_max_input_buffer:8
client_recent_max_output_buffer:0
blocked_clients:0
tracking_clients:0
clients_in_timeout_table:0

# Memory
used_memory:1501135504
used_memory_human:1.40G
used_memory_rss:38445056
used_memory_rss_human:36.66M
used_memory_peak:1501399512
used_memory_peak_human:1.40G
used_memory_peak_perc:99.98%
used_memory_overhead:3109168
used_memory_startup:803144
used_memory_dataset:1498026336
used_memory_dataset_perc:99.85%
allocator_allocated:1501209928
allocator_active:1511538688
allocator_resident:1531904000
total_system_memory:1021911040
total_system_memory_human:974.57M
used_memory_lua:37888
used_memory_lua_human:37.00K
used_memory_scripts:0
used_memory_scripts_human:0B
number_of_cached_scripts:0
maxmemory:0
maxmemory_human:0B
maxmemory_policy:noeviction
allocator_frag_ratio:1.01
allocator_frag_bytes:10328760
allocator_rss_ratio:1.01
allocator_rss_bytes:20365312
rss_overhead_ratio:0.03
rss_overhead_bytes:-1493458944
mem_fragmentation_ratio:0.03
mem_fragmentation_bytes:-1462647936
mem_not_counted_for_evict:0
mem_replication_backlog:0
mem_clients_slaves:0
mem_clients_normal:41032
mem_aof_buffer:8
mem_allocator:jemalloc-5.1.0
active_defrag_running:0
lazyfree_pending_objects:0

# Persistence
loading:0
rdb_changes_since_last_save:2352503
rdb_bgsave_in_progress:0
rdb_last_save_time:1613877919
rdb_last_bgsave_status:ok
rdb_last_bgsave_time_sec:-1
rdb_current_bgsave_time_sec:-1
rdb_last_cow_size:0
aof_enabled:1
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
aof_last_write_status:ok
aof_last_cow_size:0
module_fork_in_progress:0
module_fork_last_cow_size:0
aof_current_size:1163190193
aof_base_size:1163190193
aof_pending_rewrite:0
aof_buffer_length:0
aof_rewrite_buffer_length:0
aof_pending_bio_fsync:0
aof_delayed_fsync:0

# Stats
total_connections_received:3
total_commands_processed:47
instantaneous_ops_per_sec:0
total_net_input_bytes:1725
total_net_output_bytes:2742193
instantaneous_input_kbps:0.00
instantaneous_output_kbps:0.00
rejected_connections:0
sync_full:0
sync_partial_ok:0
sync_partial_err:0
expired_keys:0
expired_stale_perc:0.00
expired_time_cap_reached_count:0
expire_cycle_cpu_milliseconds:14415
evicted_keys:0
keyspace_hits:8
keyspace_misses:0
pubsub_channels:0
pubsub_patterns:0
latest_fork_usec:0
migrate_cached_sockets:0
slave_expires_tracked_keys:0
active_defrag_hits:0
active_defrag_misses:0
active_defrag_key_hits:0
active_defrag_key_misses:0
tracking_total_keys:0
tracking_total_items:0
tracking_total_prefixes:0
unexpected_error_replies:0
total_reads_processed:49
total_writes_processed:73
io_threaded_reads_processed:0
io_threaded_writes_processed:0

# Replication
role:master
connected_slaves:0
master_replid:c1b010af25d0b17730fbda2efb0faa9c60f1bb53
master_replid2:0000000000000000000000000000000000000000
master_repl_offset:0
second_repl_offset:-1
repl_backlog_active:0
repl_backlog_size:1048576
repl_backlog_first_byte_offset:0
repl_backlog_histlen:0

# CPU
used_cpu_sys:521.230383
used_cpu_user:515.722336
used_cpu_sys_children:0.004156
used_cpu_user_children:0.001811

# Modules

# Cluster
cluster_enabled:0

# Keyspace
db0:keys=1,expires=0,avg_ttl=0
db6:keys=43514,expires=0,avg_ttl=0