How to check the memory occupied by redis data

The specific viewing steps are as follows:

(Learning video sharing: redis video tutorial)

redis-cli
auth password
info
# Memory

used_memory:13490096 //How much memory does the data occupy (bytes)

used_memory_human:12.87M //How much memory does the data occupy (bytes) With units, good readability)

used_memory_rss:13490096 //How much memory does redis occupy?

used_memory_peak:15301192 //Peak memory usage (bytes)

used_memory_peak_human:14.59M //Peak memory usage (with units, good readability)

used_memory_lua:31744 //Memory size occupied by the lua engine (bytes)

mem_fragmentation_ratio: 1.00 //Memory fragmentation rate

mem_allocator:libc //redis memory allocator version, specified at compile time. There are three types: libc, jemalloc, and tcmalloc.

Just look at used_memory

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