How to check the memory size occupied by redis

This article mainly shares with you the method code of how to check the memory size occupied by redis. I hope it can help you.

How to check the memory size occupied by redis
redis-cli
auth password
info

# Memory
used_memory:13490096 //数据占用了多少内存（字节）
used_memory_human:12.87M //数据占用了多少内存（带单位的，可读性好）
used_memory_rss:13490096  //redis占用了多少内存
used_memory_peak:15301192 //占用内存的峰值（字节）
used_memory_peak_human:14.59M //占用内存的峰值（带单位的，可读性好）
used_memory_lua:31744  //lua引擎所占用的内存大小（字节）
mem_fragmentation_ratio:1.00  //内存碎片率
mem_allocator:libc //redis内存分配器版本，在编译时指定的。有libc、jemalloc、tcmalloc这3种。

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