about richfaces4 performance problem

[wenggh007]

first

show off my test procedures:

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<h:form>

            <table align="left">

              <tr>

                      <td class="rf-dt-c">渠道:<h:inputText value="请选择渠道"/></td>

                      <td class="rf-dt-c">招聘职位：<h:inputText /> </td>

                      <td class="rf-dt-c">发布时间：<rich:calendar /> 至  <rich:calendar />

                      </td>

                     <td><h:commandButton value="新增职位"></h:commandButton><h:commandButton value="简历托收"></h:commandButton></td>

                     </tr>

                     <tr>

                    <td class="rf-dt-c">发布状态：<h:commandLink value="全部"/> | <h:commandLink value="有效"/> | <h:commandLink value="无效"/> </td>

                  </tr>

                  <tr>

                   <td><h:commandButton value="批量刷新"/></td>

                  </tr>

                  </table>

       </h:form>   

  <h:form style="width:100%;" >

   <rich:dataTable id="dataTable" var="data" value="#{advertisBean.defaultDataModel}" style="width:100%;"   rows="#{advertisBean.pageSize}"

    onrowmouseover="this.style.backgroundColor='#F1F1F1'"  onrowmouseout="this.style.backgroundColor='#{a4jSkin.tableBackgroundColor}'">

         <rich:column>

      <f:facet name="header"><h:outputText value=" "/></f:facet>

      <h:selectBooleanCheckbox value="#{data.adWorkArea}"/>

     </rich:column>

     <rich:column>

      <f:facet name="header"><h:outputText value="招聘职位"/></f:facet>

      <h:outputLabel value="#{data.adPostName}"/>

     </rich:column>

      <rich:column>

      <f:facet name="header"><h:outputText value="招聘时间"/></f:facet>

      <h:outputLabel value="#{data.createTime}">

       <f:convertDateTime pattern="yyyy-mm-dd"/>

      </h:outputLabel>

     </rich:column>

     <rich:column>

      <f:facet name="header"><h:outputText value="招聘人数"/></f:facet>

      <h:outputLabel value="#{data.adNeedPres}"/>

     </rich:column>

     <rich:column>

      <f:facet name="header"><h:outputText value="归属部门"/></f:facet>

      <h:outputLabel value="#{data.adOrgName}"/>

     </rich:column>

     <rich:column>

      <f:facet name="header"><h:outputText value="职位描述"/></f:facet>

      <h:outputLabel value="#{data.adPostRemark}"/>

     </rich:column>

     <rich:column>

      <f:facet name="header"><h:outputText value="职位种类"/></f:facet>

      <h:outputLabel value="#{data.adPostCategory}"/>

     </rich:column>

     <h:column>

      <f:facet name="header"><h:outputText value="操作"/></f:facet>

      <h:commandLink value="操作"/>

     </h:column>

    </rich:dataTable>

     <rich:dataScroller for="dataTable"  maxPages="10" />

     </h:form>

<table align="right">

   <h:commandButton value="向上"/>

</table>

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the only interact with database of the place  rich:dataTable:  use DataModel generated dynamic data.

pressure test. use ab: 5,000 request, 400 concurrency.

i hope to achieve 2,000 concurrency

how to optimize performance?

tks