Question

您好我们正在使用数据表和丰富的组合框和选项卡面板的各种组合。渲染花费的时间太长了。我是否从stackoverflow和其他网站上做了性能调优建议

<context-param>
    <param-name>javax.faces.STATE_SAVING_METHOD</param-name>
    <param-value>server</param-value>
</context-param>

<context-param>
    <param-name>org.ajax4jsf.COMPRESS_SCRIPT</param-name>
    <param-value>false</param-value>
</context-param>

<context-param>
    <param-name>org.richfaces.LoadStyleStrategy</param-name>
    <param-value>ALL</param-value>
</context-param>
<context-param>
    <param-name>org.richfaces.LoadScriptStrategy</param-name>
    <param-value>ALL</param-value>
</context-param>

<context-param>
    <param-name>org.ajax4jsf.xmlparser.ORDER</param-name>
    <param-value>NEKO</param-value>
</context-param>

<context-param>
    <param-name>org.ajax4jsf.xmlparser.NEKO</param-name>
    <param-value>.*\..*</param-value>
</context-param>

<context-param>
    <param-name>com.sun.faces.responseBufferSize</param-name>
    <param-value>500000</param-value>
</context-param>
<context-param>
    <param-name>facelets.BUFFER_SIZE</param-name>
    <param-value>500000</param-value>
</context-param>

<filter>
    <display-name>RichFaces Filter</display-name>
    <filter-name>richfaces</filter-name>
    <filter-class>org.ajax4jsf.Filter</filter-class>
    <init-param>
        <param-name>forceparser</param-name>
        <param-value>false</param-value>
    </init-param>
    <init-param>
        <param-name>enable-cache</param-name>
        <param-value>true</param-value>
    </init-param>
</filter>

任何帮助将不胜感激......

Answer 1

你的吸气剂中有任何逻辑吗？由于这些将被多次调用，所以将所有逻辑移动到被调用一次的方法中。

加入Phase Listener like this one from Andy Gibson

Answer 2

请注意，默认情况下，richfaces组件使用基于JavaScript的客户端分页，因此当您加载页面时，将读取所有数据。也许最初你的页面会显示很多数据（表格，组合，标签）？

尝试通过创建server side paging来提高效果。

Richfaced渲染需要更长的时间

2 个答案: