在Apusic中根據多核環境進行參數優化

原文出自：http://operamasks.blogbus.com/logs/19319973.html

Apusic IO實現中採用NIO Selector，在多核環境下，可以在Apusic服務中添加NumberSelectors參數，提升多核或多CPU的使用效率：

在apusic.conf配置文件的http服務配置片段，加入 NumberSelectors屬性，設置其值等於核的數量。

Apusic 4.0.3的配置片段

<SERVICE
CLASS="com.apusic.servlet.http.WebService"
>
<ATTRIBUTE NAME="ServerPort" VALUE="6888"/>
<ATTRIBUTE NAME="MaxWaitingClients" VALUE="500"/>
<ATTRIBUTE NAME="WaitingClientTimeout" VALUE="15"/>

<ATTRIBUTE NAME="NumberSelectors" VALUE="2"/>
<ATTRIBUTE NAME="KeepAlive" VALUE="true"/>
<ATTRIBUTE NAME="KeepAliveTimeout" VALUE="75"/>
<ATTRIBUTE NAME="MaxKeepAliveRequests" VALUE="500"/>
<ATTRIBUTE NAME="MaxKeepAliveConnections" VALUE="1500"/>
<ATTRIBUTE NAME="ServletReloadCheckInterval" VALUE="3"/>
<ATTRIBUTE NAME="TemporaryDirectory" VALUE="scratch"/>
<ATTRIBUTE NAME="EnableLog" VALUE="True"/>
<ATTRIBUTE NAME="LogFileName" VALUE="logs/access.log"/>
<ATTRIBUTE NAME="LogFileLimit" VALUE="1000000"/>
<ATTRIBUTE NAME="LogFileCount" VALUE="10"/>
</SERVICE>

Apusic 5.0的配置片段：

<SERVICE
CLASS="com.apusic.web.WebService"
>
<ATTRIBUTE NAME="ServerPort" VALUE="6888"/>
<ATTRIBUTE NAME="MaxWaitingClients" VALUE="500"/>
<ATTRIBUTE NAME="WaitingClientTimeout" VALUE="5"/>

<ATTRIBUTE NAME="NumberSelectors" VALUE="2"/>
<ATTRIBUTE NAME="KeepAlive" VALUE="true"/>
<ATTRIBUTE NAME="KeepAliveTimeout" VALUE="75"/>
<ATTRIBUTE NAME="MaxKeepAliveRequests" VALUE="100"/>
<ATTRIBUTE NAME="MaxKeepAliveConnections" VALUE="300"/>
<ATTRIBUTE NAME="ServletReloadCheckInterval" VALUE="3"/>
<ATTRIBUTE NAME="EnableLog" VALUE="True"/>
<ATTRIBUTE NAME="LogFileName" VALUE="logs/access.log"/>
<ATTRIBUTE NAME="LogFileLimit" VALUE="1000000"/>
<ATTRIBUTE NAME="LogFileCount" VALUE="10"/>
</SERVICE>