redis主从架构进行QPS压测以及水平扩容支撑更高QPS

1.对redis读写分离架构进行压测，单实例写QPS+单实例读QPS

redis提供了redis-benchmark压测工具

[root@matrix-cache01 ~]# cd redis-3.2.8/src
[root@matrix-cache01 src]# ./redis-benchmark -h 192.168.31.231
====== PING_INLINE ======
  100000 requests completed in 1.11 seconds
  50 parallel clients
  3 bytes payload
  keep alive: 1
99.91% <= 1 milliseconds
99.97% <= 3 milliseconds
100.00% <= 3 milliseconds
89847.26 requests per second
====== PING_BULK ======
  100000 requests completed in 1.15 seconds
  50 parallel clients
  3 bytes payload
  keep alive: 1
99.91% <= 1 milliseconds
100.00% <= 4 milliseconds
100.00% <= 4 milliseconds
86730.27 requests per second
====== SET ======
  100000 requests completed in 1.13 seconds
  50 parallel clients
  3 bytes payload
  keep alive: 1
99.71% <= 1 milliseconds
100.00% <= 3 milliseconds
100.00% <= 3 milliseconds
88731.15 requests per second
====== GET ======
  100000 requests completed in 1.21 seconds
  50 parallel clients
  3 bytes payload
  keep alive: 1
99.90% <= 1 milliseconds
99.99% <= 4 milliseconds
100.00% <= 4 milliseconds
82918.74 requests per second
====== INCR ======
  100000 requests completed in 1.02 seconds
  50 parallel clients
  3 bytes payload
  keep alive: 1
99.96% <= 3 milliseconds
100.00% <= 3 milliseconds
97560.98 requests per second
====== LPUSH ======
  100000 requests completed in 1.04 seconds
  50 parallel clients
  3 bytes payload
  keep alive: 1
99.98% <= 3 milliseconds
100.00% <= 3 milliseconds
96061.48 requests per second
====== RPUSH ======
  100000 requests completed in 1.43 seconds
  50 parallel clients
  3 bytes payload
  keep alive: 1
98.61% <= 1 milliseconds
99.89% <= 2 milliseconds
99.90% <= 3 milliseconds
99.94% <= 4 milliseconds
99.99% <= 5 milliseconds
100.00% <= 6 milliseconds
70126.23 requests per second
====== LPOP ======
  100000 requests completed in 1.16 seconds
  50 parallel clients
  3 bytes payload
  keep alive: 1
99.82% <= 1 milliseconds
99.97% <= 3 milliseconds
99.98% <= 4 milliseconds
100.00% <= 4 milliseconds
86430.42 requests per second
====== RPOP ======
  100000 requests completed in 1.12 seconds
  50 parallel clients
  3 bytes payload
  keep alive: 1
99.85% <= 1 milliseconds
99.93% <= 2 milliseconds
99.99% <= 4 milliseconds
100.00% <= 4 milliseconds
89445.44 requests per second
====== SADD ======
  100000 requests completed in 1.11 seconds
  50 parallel clients
  3 bytes payload
  keep alive: 1
99.88% <= 1 milliseconds
99.97% <= 3 milliseconds
100.00% <= 3 milliseconds
89847.26 requests per second
====== SPOP ======
  100000 requests completed in 1.21 seconds
  50 parallel clients
  3 bytes payload
  keep alive: 1
99.28% <= 1 milliseconds
99.97% <= 3 milliseconds
99.98% <= 4 milliseconds
100.00% <= 4 milliseconds
82781.45 requests per second
====== LPUSH (needed to benchmark LRANGE) ======
  100000 requests completed in 1.06 seconds
  50 parallel clients
  3 bytes payload
  keep alive: 1
99.82% <= 1 milliseconds
99.96% <= 3 milliseconds
100.00% <= 3 milliseconds
94339.62 requests per second
====== LRANGE_100 (first 100 elements) ======
  100000 requests completed in 1.06 seconds
  50 parallel clients
  3 bytes payload
  keep alive: 1
99.88% <= 1 milliseconds
99.95% <= 3 milliseconds
100.00% <= 3 milliseconds
94517.96 requests per second
====== LRANGE_300 (first 300 elements) ======
  100000 requests completed in 1.07 seconds
  50 parallel clients
  3 bytes payload
  keep alive: 1
99.88% <= 1 milliseconds
99.97% <= 2 milliseconds
100.00% <= 2 milliseconds
93545.37 requests per second
====== LRANGE_500 (first 450 elements) ======
  100000 requests completed in 1.14 seconds
  50 parallel clients
  3 bytes payload
  keep alive: 1
99.70% <= 1 milliseconds
99.95% <= 3 milliseconds
100.00% <= 3 milliseconds
87950.75 requests per second
====== LRANGE_600 (first 600 elements) ======
  100000 requests completed in 1.16 seconds
  50 parallel clients
  3 bytes payload
  keep alive: 1
99.39% <= 1 milliseconds
99.98% <= 3 milliseconds
100.00% <= 3 milliseconds
86058.52 requests per second
====== MSET (10 keys) ======
  100000 requests completed in 0.98 seconds
  50 parallel clients
  3 bytes payload
  keep alive: 1
99.89% <= 1 milliseconds
99.94% <= 3 milliseconds
100.00% <= 3 milliseconds
101832.99 requests per second