Linux下Redis安裝與配置操做說明

Redis 是一個高性能的key-value數據庫。 redis的出現,很大程度補償了memcached這類keyvalue存儲的不足,在部分場合能夠對關係數據庫起到很好的補充做用。它提供了Python,Ruby,Erlang,PHP客戶端,使用很方便。
如下是安裝測試步驟:
1,redis安裝:
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[root@localhost ~]# cd /usr/local/src/ 
[root@localhost src]# wget http://redis.googlecode.com/files/redis-2.2.12.tar.gz 
[root@localhost src]# tar zxf redis-2.2.12.tar.gz 
[root@localhost src]# cd redis-2.2.12 
[root@localhost redis-2.2.12]# make PREFIX=/usr/local/redis install 
2,配置redis:
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[root@localhost redis-2.2.12]# mkdir -p /usr/local/redis/etc 
[root@localhost redis-2.2.12]# mkdir -p /usr/local/redis/var 
[root@localhost redis-2.2.12]# cd /usr/local/redis/etc 
[root@localhost etc]# vi redis.conf(從新創建conf文件,須要複製下面的配置) 
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daemonize yes 
pidfile /usr/local/redis/redis.pid 
port 6379 
bind 127.0.0.1 
timeout 300 
loglevel verbose 
logfile stdout 
databases 16 
save 900 1 
save 300 10 
save 60 10000 
rdbcompression yes 
dbfilename dump.rdb 
dir /usr/local/redis/var/ 
slave-serve-stale-data yes 
maxclients 12800 
appendonly no 
appendfsync everysec 
no-appendfsync-on-rewrite no 
slowlog-log-slower-than 10000 
slowlog-max-len 1024 
vm-enabled no 
vm-swap-file /tmp/redis.swap 
vm-max-memory 0 
vm-page-size 32 
vm-pages 134217728 
vm-max-threads 4 
hash-max-zipmap-entries 512 
hash-max-zipmap-value 64 
list-max-ziplist-entries 512 
list-max-ziplist-value 64 
set-max-intset-entries 512 
activerehashing yes 
3,啓動關閉redis:
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[root@localhost ~]# /usr/local/redis/bin/redis-server /usr/local/redis/etc/redis.conf 
[root@localhost ~]# ps -ef|grep redis 
root 3891 1 0 18:11 ?  00:00:00 /usr/local/redis/bin/redis-server /usr/local/redis/etc/redis.conf 
[root@localhost redis-2.2.12]# /usr/local/redis/bin/redis-cli -h 127.0.0.1 -p 6379 shutdown 
若是配置使用默認的127.0.0.1和6379端口,可執行命令時可省略以上參數。
4,測試redis:
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[root@localhost ~]# telnet 127.0.0.1 6379 
Trying 127.0.0.1... 
Connected to localhost (127.0.0.1). 
Escape character is '^]'. 
^] 
telnet> quit 
Connection closed. 
5,/usr/local/redis/bin目錄下執行文件功能說明:
redis-server:Redis服務器的daemon啓動程序
redis-cli:Redis命令行操做工具。固然,你也能夠用telnet根據其純文本協議來操做
redis-benchmark:Redis性能測試工具,測試Redis在你的系統及你的配置下的讀寫性能
--------------------------滿意的分割線-----------------------------------
實例:
1)登錄,輸入數據:
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[root@localhost ~]# /usr/local/redis/bin/redis-cli -h 127.0.0.1 -p 6379 
redis 127.0.0.1:6379> set name csdn 
OK 
redis 127.0.0.1:6379> get name 
"<span style="font-family: simsun; ">csdn</span>" 
redis 127.0.0.1:6379> quit 
2)查看redis統計信息:
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[root@localhost ~]# /usr/local/redis/bin/redis-cli -h 127.0.0.1 -p 6379 info 
3)測試性能:
向redis服務器發送10個請求,每一個請求附帶50個併發客戶端,-n 接請求數,-c 接併發數
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[root@localhost ~]# /usr/local/redis/bin/redis-benchmark -h 127.0.0.1 -p 6379 -n 10 -c 50 html

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