The value of used_memory_rss_human is significantly greater than that of used_memory_human

[liusf1993]

dragonfly version: v1.12.1
system info : Linux dragonfly-dp-2 5.10.134-15.an8.x86_64 #1 SMP Thu Jul 20 00:35:47 CST 2023 x86_64 x86_64 x86_64 GNU/Linux
runtime enviroment: docker 24.0.7

The value of used_memory_rss_human is significantly greater than that of used_memory_human, is it normal because the maxmemory is not reached, or is there some way to deallocate the memory besides restarting?
The result of info memory

# Memory
used_memory:14684635936
used_memory_human:13.68GiB
used_memory_peak:51775757224
used_memory_rss:78353350656
used_memory_rss_human:72.97GiB
used_memory_peak_rss:79963103232
comitted_memory:-73389008928
maxmemory:115964116992
maxmemory_human:108.00GiB
object_used_memory:181496824430412
table_used_memory:6726553464
num_buckets:102108720
num_entries:13778378
inline_keys:197
strval_bytes:31057390224
updateval_amount:2968001303540418
listpack_blobs:18446744073672446978
listpack_bytes:10718884098
small_string_bytes:637861360
pipeline_cache_bytes:126
dispatch_queue_bytes:827276
dispatch_queue_peak_bytes:18446744073709551368
client_read_buffer_peak_bytes:6613760
cache_mode:store
maxmemory_policy:noeviction
replication_streaming_buffer_bytes:35651584
replication_full_sync_buffer_bytes:0

[romange]

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