Redis的性能测试方法及redis-benchmark使用介绍

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场景介绍

redis-benchmark 是 redis 官方自带的性能测试工具,通过不同的参数选择,可以有效的测试 redis 实例的性能

操作步骤

Redis-benchmark使用说明

(base) [root@rudonx src]# ./redis-benchmark --help
Usage: redis-benchmark [-h <host>] [-p <port>] [-c <clients>] [-n <requests>] [-k <boolean>]

 -h <hostname>      Server hostname (default 127.0.0.1)
 -p <port>          Server port (default 6379)
 -s <socket>        Server socket (overrides host and port)
 -a <password>      Password for Redis Auth
 --user <username>  Used to send ACL style 'AUTH username pass'. Needs -a.
 -c <clients>       Number of parallel connections (default 50)
 -n <requests>      Total number of requests (default 100000)
 -d <size>          Data size of SET/GET value in bytes (default 3)
 --dbnum <db>       SELECT the specified db number (default 0)
 --threads <num>    Enable multi-thread mode.
 --cluster          Enable cluster mode.
 --enable-tracking  Send CLIENT TRACKING on before starting benchmark.
 -k <boolean>       1=keep alive 0=reconnect (default 1)
 -r <keyspacelen>   Use random keys for SET/GET/INCR, random values for SADD
  Using this option the benchmark will expand the string __rand_int__
  inside an argument with a 12 digits number in the specified range
  from 0 to keyspacelen-1. The substitution changes every time a command
  is executed. Default tests use this to hit random keys in the
  specified range.
 -P <numreq>        Pipeline <numreq> requests. Default 1 (no pipeline).
 -e                 If server replies with errors, show them on stdout.
                    (no more than 1 error per second is displayed)
 -q                 Quiet. Just show query/sec values
 --precision        Number of decimal places to display in latency output (default 0)
 --csv              Output in CSV format
 -l                 Loop. Run the tests forever
 -t <tests>         Only run the comma separated list of tests. The test
                    names are the same as the ones produced as output.
 -I                 Idle mode. Just open N idle connections and wait.

命令示例

  1. 使用 200 个并发连接、10000 个请求检测端口为 6379 的 Redis 服务器性能
redis-benchmark -h xxx.xxx.xx.xx -p 6379 -a xxxxx -n 10000 -c 200
  1. 测试获取大小为 200 字节的数据包的性能
 redis-benchmark -h xxx.xxx.xx.xx -p 6379 -a xxxxx -d 200
  1. 仅使用 SET测试,key 数量为 100 万
redis-benchmark -h xxx.xxx.xx.xx -p 6379 -a xxxxx -t set -n 1000000 -r 100000000
  1. 仅测试少量命令,如 ping,set,get,并将结果输出到 CSV 中
redis-benchmark -h xxx.xxx.xx.xx -p 6379 -a xxxxx -t ping,set,get -n 100000 --csv
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