網站壓力測試工具Webbench介紹

webbench簡介： 

Webbench是一個非常簡單的壓力測試工具，Webbench最多可以模擬3萬個并發連接去測試網站的負載能力。

<li>
    <span>wget http</span><span>:</span><span>//www.phpddt.com/soft/linux/webbench-1.5.tar.gz</span>    

<li>
    <span>tar zxvf webbench</span><span>-</span><span>1.5</span><span>.</span><span>tar</span><span>.</span><span>gz</span>     

<li>
    <span>cd webbench</span><span>-</span><span>1.5</span>  

<li>
    <span>make</span>   

<li>
    <span>make install</span>   </li>

</ol>
</pre>

（2）Webbench使用

   


    <li>
        <span>webbench </span><span>-</span><span>c </span><span>1000</span><span> </span><span>-</span><span>t </span><span>60</span><span> http</span><span>:</span><span>//www.phpddt.com/</span>        

    <li>
        <span>webbench </span><span>-</span><span>c </span><span>并發數</span><span> </span><span>-</span><span>t </span><span>運行測試時間</span><span> URL</span>      

</li>

</ol>
</pre></div>


（3）測試結果 



<li>
    <span>root@phpddt</span><span>:~/</span><span>webbench</span><span>-</span><span>1.5</span><span># webbench -c 1000 -t 60 http://www.phpddt.com/</span>     

<li>
    <span>Webbench</span><span> </span><span>-</span><span> </span><span>Simple</span><span> </span><span>Web</span><span> </span><span>Benchmark</span><span> </span><span>1.5</span>  

<li>
    <span>Copyright</span><span> </span><span>(</span><span>c</span><span>)</span><span> </span><span>Radim</span><span> </span><span>Kolar</span><span> </span><span>1997</span><span>-</span><span>2004</span><span>,</span><span> GPL </span><span>Open</span><span> </span><span>Source</span><span> </span><span>Software</span><span>.</span>     

<li>
    <span> </span>     

<li>
    <span>Benchmarking</span><span>:</span><span> GET http</span><span>:</span><span>//www.phpddt.com/</span>   

<li>
    <span>1000</span><span> clients</span><span>,</span><span> running </span><span>60</span><span> sec</span><span>.</span>    

<li>
    <span> </span>     

<li>
    <span>Speed</span><span>=</span><span>217591</span><span> pages</span><span>/</span><span>min</span><span>,</span><span> </span><span>5544152</span><span> bytes</span><span>/</span><span>sec</span><span>.</span>     

<li>
    <span>Requests</span><span>:</span><span> </span><span>217591</span><span> susceed</span><span>,</span><span> </span><span>0</span><span> failed</span><span>.</span>   </li>

</ol>
</pre>

注意：測試時并發數應該由小到大，并使用TOP檢查網站負載，或自行打開頁面查看速度。



參考：

Webbench官網：http://home.tiscali.cz/~cz210552/webbench.html  



測試注意事項：  
 1.壓力測試工作應該放到產品上線之前，而不是上線以后； 

 2.webbench 做壓力測試時，該軟件自身也會消耗CPU和內存資源，為了測試準確，請將 webbench 安裝在別的服務器上； 

 3.測試時盡量跨公網進行，而不是內網； 

 4.測試時并發應當由小逐漸加大，觀察一下網站負載及打開是否流程，直到網站打開緩慢甚至網站完全打不開； 

 5.應盡量進行單元測試，如B2C網站可以著重測試購物車、推廣頁面等，因為這些頁面占整個網站訪問量比重較大。 

Webbench安裝使用常見問題解決 
問題1： cannot create regular file `/usr/local/man/man1′: No such file or directory 
解決方法： 創建/usr/local/man/man1文件來解決 
[root@localhost local]# mkdir -m 644 -p /usr/local/man/man1 
問題2： /bin/sh: ctags: command not found 
解決方法：安裝ctags 
apt-get install ctags 
問題3： cc: Command not found 
解決方法： 安裝gcc 
apt-get install gcc 
                    
                    

                        
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 Webbench 測試工具