CentOS环境下安装Redis3.0及phpredis扩展测试示例
<p>本文实例讲述了centos环境下安装redis3.0及phpredis扩展测试。分享给大家供大家参考，具体如下：</p>
<p>
线上的统一聊天及推送系统redis版本2.8.6，跑了近一年运行良好，之所以测试redis3.0，因为3.0相比2.8加了很多新特性：</p>
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redis cluster —— 一个分布式的 redis 实现<br>
全新的 “embedded string” 对象编码结果，更少的缓存丢失，在特定的工作负载下速度的大幅提升<br>
aof child -> parent 最终数据传输最小化延迟，通过在 aof 重写过程中的 “last write”<br>
大幅提升 lru 近似算法用于键的擦除<br>
wait 命令堵塞等待写操作传输到指定数量的从节点<br>
migrate 连接缓存，大幅提升键移植的速度<br>
migarte 新的参数 copy 和 replace<br>
client pause 命令：在指定时间内停止处理客户端请求<br>
bitcount 性能提升<br>
config set 接受不同单位的内存值，例如 “config set maxmemory 1gb”.<br>
redis 日志格式小调整用于反应实例的角色 (master/slave)<br>
incr 性能提升</p>
<p>
趁年轻对技术保持一个探索之心！</p>
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<span><strong>开始安装</strong></span></p>
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<strong>1、安装依赖包</strong></p>
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<span><u>复制代码</u></span> 代码如下:</div>
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# yum install gcc gcc-c++ kernel-devel automake autoconf libtool make wget tcl vim ruby rubygems unzip php-devel git -y</div>
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<strong>2、安装redis服务端</strong></p>
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不用<code>./configure</code>,不用<code>make install</code>就编译一下就可以</p>
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<code class="bash plain"></code><code class="bash comments"># wget http://download.redis.io/releases/redis-3.0.6.tar.gz</code>
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<code class="bash plain"></code><code class="bash comments"># tar xzf redis-3.0.6.tar.gz</code>
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<code class="bash plain"></code><code class="bash comments"># cd redis-3.0.6</code>
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<code class="bash plain"></code><code class="bash comments"># make</code>
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<code class="bash plain"></code><code class="bash comments"># src/redis-server</code>
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<strong>3、使用redis客户端测试</strong></p>
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<code class="bash plain"></code><code class="bash comments"># src/redis-cli</code>
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<code class="bash plain">127.0.0.1:6379> </code><code class="bash functions">set</code> <code class="bash plain">key val</code>
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<code class="bash plain">ok</code>
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<code class="bash plain">127.0.0.1:6379> get key</code>
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<code class="bash string">"val"</code>
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<code class="bash plain">127.0.0.1:6379> del key</code>
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<code class="bash plain">(integer) 1</code>
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<code class="bash plain">127.0.0.1:6379> exists key</code>
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<code class="bash plain">(integer) 0</code>
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<strong>4、安装phpredis，方便使用php操作redis</strong></p>
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phpredis下载地址：https://github.com/nicolasff/phpredis</p>
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<code class="bash plain"></code><code class="bash comments"># unzip phpredis-develop.zip</code>
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<code class="bash plain"></code><code class="bash comments"># cd phpredis-develop</code>
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<code class="bash plain"></code><code class="bash comments"># phpize</code>
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<code class="bash plain"></code><code class="bash comments"># ./configure</code>
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<code class="bash plain"></code><code class="bash comments"># make && make install</code>
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提示：<span>installing shared extensions: /usr/lib64/php/modules/</span></p>
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<code class="bash functions">vi</code> <code class="bash plain">/etc/php</code><code class="bash plain">.ini</code>
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加入</p>
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<code class="bash plain">extension=redis.so</code>
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重启apache</p>
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<code class="bash plain">service httpd restart</code>
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<img style="max-width:100%!important;height:auto!important;"title="CentOS环境下安装Redis3.0及phpredis扩展测试示例" alt="CentOS环境下安装Redis3.0及phpredis扩展测试示例" src="https://zhuji.jb51.net/uploads/img/202305/e80ff954a82cb4501b550f1dadbb00df.jpg"></p>
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<strong>5、php连接redis代码测试</strong></p>
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<code class="php plain"><?php</code>
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<code class="php variable">$redis</code> <code class="php plain">= </code><code class="php keyword">new</code> <code class="php plain">redis();</code>
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<code class="php variable">$redis</code><code class="php plain">->connect(</code><code class="php string">'localhost'</code><code class="php plain">, 6379);</code>
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<code class="php variable">$rs</code> <code class="php plain">= </code><code class="php variable">$redis</code><code class="php plain">->set(</code><code class="php string">'test'</code><code class="php plain">,</code><code class="php string">"11111111111"</code><code class="php plain">);</code>
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<code class="php variable">$result</code> <code class="php plain">= </code><code class="php variable">$redis</code><code class="php plain">->get(</code><code class="php string">'test'</code><code class="php plain">);</code>
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<code class="php plain">var_dump(</code><code class="php variable">$result</code><code class="php plain">);</code><code class="php comments">//结果：string(11) "11111111111"</code>
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<code class="php variable">$redis</code><code class="php plain">-></code><code class="php functions">delete</code><code class="php plain">(</code><code class="php string">'test'</code><code class="php plain">);</code>
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<code class="php variable">$redis</code><code class="php plain">->sadd(</code><code class="php string">"test"</code><code class="php plain">,</code><code class="php string">"111"</code><code class="php plain">);</code><code class="php comments">//往test集合中添加一个元素 111</code>
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<code class="php variable">$redis</code><code class="php plain">->sadd(</code><code class="php string">"test"</code><code class="php plain">,</code><code class="php string">"222"</code><code class="php plain">);</code>
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<code class="php variable">$redis</code><code class="php plain">->sadd(</code><code class="php string">"test"</code><code class="php plain">,</code><code class="php string">"333"</code><code class="php plain">);</code>
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<code class="php variable">$redis</code><code class="php plain">->sadd(</code><code class="php string">"test1"</code><code class="php plain">,</code><code class="php string">"111"</code><code class="php plain">);</code>
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<code class="php variable">$redis</code><code class="php plain">->sadd(</code><code class="php string">"test1"</code><code class="php plain">,</code><code class="php string">"444"</code><code class="php plain">);</code>
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<code class="php comments">//将集合test和集合test1的并集存进一个新集合new</code>
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<code class="php plain">var_dump(</code><code class="php variable">$redis</code><code class="php plain">->sinterstore(</code><code class="php string">'new'</code><code class="php plain">,</code><code class="php string">"test"</code><code class="php plain">,</code><code class="php string">"test1"</code><code class="php plain">)); </code><code class="php comments">//结果：int(1)</code>
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<code class="php comments">//返回集合元素</code>
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<code class="php plain">var_dump(</code><code class="php variable">$redis</code><code class="php plain">->smembers(</code><code class="php string">'new'</code><code class="php plain">)); </code><code class="php comments">//结果:array(1) { => string(3) "111" }</code>
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<code class="php plain">?></code>
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希望本文所述对大家centos服务器配置有所帮助。</p>
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原文链接：https://blog.csdn.net/nuli888/article/details/52134110</p>
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