Redis性能简单测试（redis-benchmark）

这只是一个笔记，不含分析，不含参数变化的严谨对比。

性能结果初步列举

• 所有命令，峰值在11万+
• 99.9%以上的命令，执行时间 < 1ms
• 连接数100的性能，会比连接数50低约10%
• 相同条件的测试，多次执行的效果可能有差异，特别是个别命令偶尔可能呈现几倍的差异（暂不知原因）

测试条件
阿里云双核云主机 2核8G：

• Intel® Xeon® Platinum 8163 CPU @ 2.50GHz
• redis-benchmark与redis-server跑在同一台机器
• 版本 redis-server 4.0.10

[root@svr1 bin]# ./redis-benchmark -c 30 -n 100000 -d 5
====== PING_INLINE ======
  100000 requests completed in 0.89 seconds
  30 parallel clients
  5 bytes payload
  keep alive: 1

99.83% <= 1 milliseconds
99.88% <= 2 milliseconds
99.96% <= 3 milliseconds
99.97% <= 4 milliseconds
99.98% <= 5 milliseconds
100.00% <= 5 milliseconds
111731.84 requests per second

====== PING_BULK ======
  100000 requests completed in 0.89 seconds
  30 parallel clients
  5 bytes payload
  keep alive: 1

99.91% <= 1 milliseconds
100.00% <= 1 milliseconds
111856.82 requests per second

====== SET ======
  100000 requests completed in 0.89 seconds
  30 parallel clients
  5 bytes payload
  keep alive: 1

99.91% <= 1 milliseconds
99.94% <= 2 milliseconds
100.00% <= 2 milliseconds
112107.62 requests per second

====== GET ======
  100000 requests completed in 0.89 seconds
  30 parallel clients
  5 bytes payload
  keep alive: 1

99.97% <= 2 milliseconds
100.00% <= 2 milliseconds
112739.57 requests per second

====== INCR ======
  100000 requests completed in 0.90 seconds
  30 parallel clients
  5 bytes payload
  keep alive: 1

99.95% <= 1 milliseconds
99.96% <= 4 milliseconds
99.97% <= 5 milliseconds
100.00% <= 5 milliseconds
111482.72 requests per second

====== LPUSH ======
  100000 requests completed in 0.91 seconds
  30 parallel clients
  5 bytes payload
  keep alive: 1

99.94% <= 1 milliseconds
99.96% <= 2 milliseconds
99.98% <= 3 milliseconds
99.99% <= 8 milliseconds
100.00% <= 8 milliseconds
110253.59 requests per second

====== RPUSH ======
  100000 requests completed in 0.89 seconds
  30 parallel clients
  5