php操作redis cluster叢集成功例項
阿新 • • 發佈:2018-12-25
java操作redis cluster叢集可使用jredis
php要操作redis cluster叢集有兩種方式:
1、使用phpredis擴充套件,這是個c擴充套件,效能更高,但是phpredis2.x擴充套件不行,需升級phpredis到3.0,但這個方案參考資料很少
2、使用predis,純php開發,使用了名稱空間,需要php5.3+,靈活性高
下載好後重命名為predis,
server1:192.168.1.198
server2:192.168.1.199
predis.php
name1,name2,name3是3個key,按照演算法分配到3個slot上,有可能分到3臺伺服器上<?php require 'predis/autoload.php';//引入predis相關包 //redis例項 $servers = array( 'tcp://192.168.1.198:7000', 'tcp://192.168.1.198:7001', 'tcp://192.168.1.198:7002', 'tcp://192.168.1.199:7003', 'tcp://192.168.1.199:7004', 'tcp://192.168.1.199:7005', ); $client = new Predis\Client($servers, array('cluster' => 'redis')); $client->set("name1", "11"); $client->set("name2", "22"); $client->set("name3", "33"); $name1 = $client->get('name1'); $name2 = $client->get('name2'); $name3 = $client->get('name3'); var_dump($name1, $name2, $name3);die; ?>
首先執行predis.php檢視結果:
然後登入到redis客戶端進行叢集驗證:
server1
server2[[email protected] src]# redis-cli -c -p 7000 127.0.0.1:7000> get name1 -> Redirected to slot [12933] located at 192.168.1.199:7004 "11" 192.168.1.199:7004> get name2 -> Redirected to slot [742] located at 192.168.1.199:7003 "22" 192.168.1.199:7003> get name3 "33" 192.168.1.199:7003>
[[email protected] src]# redis-cli -c -p 7003
127.0.0.1:7003> get name1
-> Redirected to slot [12933] located at 192.168.1.199:7004
"11"
192.168.1.199:7004> get name2
-> Redirected to slot [742] located at 192.168.1.199:7003
"22"
192.168.1.199:7003> get name3
"33"
192.168.1.199:7003>
可以看到資料分佈在各個伺服器上,可以根據ps -ef | grep redis,殺掉其中幾個redis例項,再看效果