Docker Redis Performance

<< Docker Redis Image

Redis Server : Version 5.0.3
OS : CentOS 7
H/W Model: Dell R230
Processor : Xeon E3-1230v6(3.5G/4cores)
Main Memory: DDR4 19200E 8GB

Docker Version: 1.13.1

We compared Redis installed on the host OS, Redis in Docker using the default network (bridge), and Redis in Docker using the host network.

Commands	Host OS	Docker (bridge)	vs 1	Docker (host)	vs 2
PING_INLINE	97,466	79,239	81%	103,413	106%
PING_BULK	96,618	81,766	85%	103,520	107%
SET	102,564	80,515	79%	104,275	102%
GET	98,135	77,821	79%	103,520	105%
INCR	103,950	81,169	78%	105,042	101%
LPUSH	102,881	81,766	79%	104,603	102%
RPUSH	103,627	82,034	79%	104,932	101%
LPOP	101,937	81,301	80%	104,167	102%
RPOP	101,523	80,257	79%	104,058	102%
SADD	99,502	78,802	79%	104,167	105%
HSET	103,842	81,433	78%	104,932	101%
SPOP	98,328	78,003	79%	104,493	106%
LPUSH (LRANGE)	103,842	80,841	78%	105,042	101%
LRANGE_100	63,371	47,438	75%	66,622	105%
LRANGE_300	31,716	29,412	93%	31,766	100%
LRANGE_500	23,838	22,868	96%	23,861	100%
LRANGE_600	19,209	18,106	94%	19,150	100%
MSET	102,249	69,735	68%	94,877	93%
Total	1,554,600	1,232,507	79%	1,592,438	102%

With Docker network_mode bridge, port forwarding adds overhead, so performance is a bit lower. With network_mode host, throughput matches Redis installed on the host OS.

Commands	Host OS	Docker (bridge)	vs 1	Docker (host)	vs 2
PING	0.07	0.07	100%	0.06	86%
SET	0.26	0.29	112%	0.2	77%
GET	0.16	0.21	131%	0.14	88%
INCR	0.23	0.27	117%	0.18	78%
LPUSH	0.46	0.44	96%	0.34	74%
RPUSH	0.34	0.33	97%	0.24	71%
LPOP	0.51	0.52	102%	0.43	84%
RPOP	0.39	0.4	103%	0.31	79%
SADD	0.19	0.14	74%	0.14	74%
HSET	0.32	0.36	113%	0.3	94%
SPOP	0.14	0.21	150%	0.1	71%
LPUSH	13.72	14.43	105%	13.42	98%
MSET	0.97	1.37	141%	1.05	108%
Total	17.76	19.04	107%	16.91	95%

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