新浪云计算数据缓存性能测试（文件、KVDB、Memcache）

最新推荐文章于 2024-11-06 05:32:56 发布

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最新推荐文章于 2024-11-06 05:32:56 发布

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分类专栏：新浪云文章标签： sae

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本文通过PHP脚本测试了四种数据存储方式：文本文件、KVDB、Memcache和SaeStorage，评估了它们在大规模数据写入和读取过程中的性能。详细对比了数据写入速度和数据读取速度，揭示了不同存储方式在高并发场景下的效率差异。

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<?php
$times = 1000; //测试的次数
$str_len = 50000; //数据长度
$storage_domain = 'test1'; //存储域

function genRandomString($len)
{
        $chars = array(
                "a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", 
                "l", "m", "n", "o", "p", "q", "r", "s", "t", "u", "v", 
                "w", "x", "y", "z", "A", "B", "C", "D", "E", "F", "G", 
                "H", "I", "J", "K", "L", "M", "N", "O", "P", "Q", "R", 
                "S", "T", "U", "V", "W", "X", "Y", "Z", "0", "1", "2", 
                "3", "4", "5", "6", "7", "8", "9"
        );

        $output = "";
        for ($i=0; $i<$len; $i++)
        {
                $output .= $chars[mt_rand(0, 61)];
        }

        return $output;
}

$content = genRandomString($str_len);

//写入文本文件测试
$s = new SaeStorage();
$starttimer = microtime(true);
for($o = 0 ; $o < $times; $o++){
   $s->write($storage_domain, 'test'.$o.'.txt', $content);
}
$stoptimer = microtime(true);

$timer = $stoptimer-$starttimer;
echo "Data Write $times times by txt in $timer seconds.<br />";

//读取文本文件测试
$starttimer = microtime(true);
for($o = 0 ; $o < $times; $o++){
   $s->read($storage_domain, 'test'.$o.'.txt');
}
$stoptimer = microtime(true);

$timer = $stoptimer-$starttimer;
echo "Data Read $times times by txt in $timer seconds.<br />";
unset($s);


//KVDB写入测试
$kv = new SaeKVClient();
$kv->init();
$starttimer = microtime(true);
for($o = 0 ; $o < $times; $o++){
   $kv->set('test'.$o, $content);
}
$stoptimer = microtime(true);

$timer = $stoptimer-$starttimer;
echo "Data Write $times times by KVDB in $timer seconds.<br />";

//KVDB读取测试
$starttimer = microtime(true);
for($o = 0 ; $o < $times; $o++){
   $kv->get('test'.$o);
}
$stoptimer = microtime(true);

$timer = $stoptimer-$starttimer;
echo "Data Read $times times by KVDB in $timer seconds.<br />";
unset($kv);


//Memcache写入测试
$mmc = memcache_init();
$starttimer = microtime(true);
for($o = 0 ; $o < $times; $o++){
   memcache_set($mmc, 'test'.$o, $content);
}
$stoptimer = microtime(true);

$timer = $stoptimer-$starttimer;
echo "Data Write $times times by Memcache in $timer seconds.<br />";

//Memcache读取测试
$starttimer = microtime(true);
for($o = 0 ; $o < $times; $o++){
   memcache_get($mmc, 'test'.$o);
}
$stoptimer = microtime(true);

$timer = $stoptimer-$starttimer;
echo "Data Read $times times by Memcache in $timer seconds.<br />";
unset($mmc);
?>