Comparison between redis Hash Storage and string storage memory consumption

Storage Object User
String storage method:

SET media:1155315 939　　GET media:1155315　　> 939

String Structure to store this object

Storage Capacity	Memory usage (KB)	Usage time (MS)	CPU usage
100	30.72	2983
100	30.72	1224
100	40.96	2638
100	40.96	1543
100	40.96	3335

4487	1934.62	21760	0.05
4487	1934.59	21732	0.05

The hash structure stores this object.

HSET "mediabucket:1155" "1155315" "939"　　HGET "mediabucket:1155" "1155315"　　> "939"

Storage Capacity	Memory usage (KB)	Usage time (MS)	CPU usage
100	367.76	454
100	37.37	458
100	50.50	461
100	40.44	467
100	35.50	489

4487	1805.1	21729	0.06
4487	1844.23	21712	0.05
4487	1844.23	21778

Continue hash structure optimization

Similar

HSET "1155" "315" "939"　　HGET "1155" "315"　　> "939"

Storage Capacity	Memory usage (KB)	Usage time (MS)	CPU usage
100	367.76	454
100	37.37	458
100	50.50	461
100	40.44	467
100	35.50	489

4487	1803.29	21879	0.06
4487	1842.43	21931	0.05

References:

Http://www.searchdatabase.com.cn/showcontent_54724.htm

Memory saving: Instagram redis practices

Comparison between redis Hash Storage and string storage memory consumption