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From "Stefaan Dutry (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (WW-4895) s:select tags performance issue after upgrading to 2.5.1.3
Date Thu, 23 Nov 2017 18:00:00 GMT

    [ https://issues.apache.org/jira/browse/WW-4895?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16264661#comment-16264661
] 

Stefaan Dutry edited comment on WW-4895 at 11/23/17 5:59 PM:
-------------------------------------------------------------

[~karan.chinchane]
{quote}
This issue recreates over a period of time. After deployment, the code starts running fine
for an initial hour or so. But when the application / this page is used by multiple users
for a longer period of time then this issue starts occurring.
{quote}

This makes me think that it's either a memory leak somewhere in the code, or an overusage
of session data or bigger cache size than available memory. Causing swapping and/or excessive
GC. 

Is the garbage collection strategy correctly configured in your web application container?

Is the update from struts {{2.1}} to {{2.5.13}} the only change that happened since the performance
issues started happening?


was (Author: sdutry):
[~karan.chinchane]
{quote}
This issue recreates over a period of time. After deployment, the code starts running fine
for an initial hour or so. But when the application / this page is used by multiple users
for a longer period of time then this issue starts occurring.
{quote}

This makes me think that it's either a memory leak somewhere in the code, or an overusage
of session data or bigger cache size than available memory. Causing swapping and/or excessive
GC. Is the garbage collection strategy correctly configured in your web application container.

Is the update from struts {{2.1}} to {{2.5.13}} the only change that happened since the performance
issues started happening?

> s:select tags performance issue after upgrading to 2.5.1.3
> ----------------------------------------------------------
>
>                 Key: WW-4895
>                 URL: https://issues.apache.org/jira/browse/WW-4895
>             Project: Struts 2
>          Issue Type: Bug
>          Components: Core Tags
>    Affects Versions: 2.5.13
>         Environment: IBM Websphere 8.5 , apache 2.x 
>            Reporter: Harsh Choudhary
>            Priority: Critical
>              Labels: performance
>             Fix For: 2.5.x
>
>
> We recently upgraded from Struts 2.1(don't ask) to Struts 2.5.13 , while the upgrade
process was smooth, we are facing some performance issue while JSP is rendering at runtime.
This JSP used to load in less then 2 secs before and now it's taking around 40 secs to load.
It's a very simple JSP with some text fields and a few select fields. I am just posting a
simple select that is taking around 20 secs, I cannot post the whole code because of obvious
reasons. The time difference between the two-time statements below is around 20 secs.  
> I have tried to remove styles, javascript function but still it's taking a long time.
 Any suggestions in this regard will be helpful. This is happening most of the select boxes.
> {code:html}
> System.out.println("logging started");
> java.util.Date date49 = new java.util.Date();
> %>
> The time is now <%= date49 %>
>                             <s:select cssClass="textBox_normal" cssStyle="width:100%;
height:100%" name="showDoc" id="showDoc" multiple="true" size="5" 
> 	       						  headerKey="-1" 
> 	       						  list="doclist"
> 	       						  listKey="id"
> 	       						  listValue="Description"
> 	       						  onchange="disableErrormsg('VarLibAssetErrorDiv');"
> 	       						  />
> 	                </div>
>                     <div style="float:left; width:20%; height:100%; display: none"
id="documentTypeDiv">
>                     	<%
> 	System.out.println("logging started");
> java.util.Date date5 = new java.util.Date();
> %>
> The time is now <%= date5 %>
> {code}



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