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Redis之性能指标、监控方式
2022-07-06 08:59:00 【~庞贝】
目录
Redis之性能指标、监控方式
1.性能指标分类
1.性能指标:Performance
2.内存指标:Memory
3.基本活动指标:Basic activity
4.持久性指标:Persistence
5.错误指标:Error
2.Performance
缓存命中率低意味着服务器压力就会非常大;
key的过期时间会对缓存命中率产生一点影响
3.Memory
4.Basic activity
5.Persistence
6.Error
7.监控方式
工具(需要安装)
1.Cloud Insight Redis
2.Prometheus
3.Redis-stat
4.Redis-faina
5.RedisLive
6.zabbix
命令(redis为我们提供的这些命令)
1.benchmark
2.redis cli
1)monitor
2)showlog
8.benchmark
命令
redis-benchmark [-h ] [-p ] [-c ] [-n <requests]> [-k ]
范例1
说明:默认下,50个连接,10000次请求对应的性能
redis-benchmark
范例2
说明:100个连接,5000次请求对应的性能
redis-benchmark -c 100 -n 5000
9.monitor
命令如下,用于打印服务器调试信息
monitor
10.showlog
命令
get :获取慢查询日志
len :获取慢查询日志条目数
reset :重置慢查询日志
showlog [operator]
相关配置
slowlog-log-slower-than 1000 #设置慢查询的时间下线,单位:微妙
slowlog-max-len 100 #设置慢查询命令对应的日志显示长度,单位:命令数
11.演示(benchmark)
不用在redis客户端里就即可操作
12.演示(monitor)
必须进入redis客户端。
发送hello
13.showlog
由于我们并没有执行太多指令,或者某一条指令并没有用太多时间,所以查到的是空的
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