[jboss-jira] [JBoss JIRA] (WFLY-2900) Performance issue with Xalan transformer and very large text nodes

[Jason Greene (JIRA)]

    [ https://issues.jboss.org/browse/WFLY-2900?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12988456#comment-12988456 ] 

Jason Greene commented on WFLY-2900:
------------------------------------

I have reverted the xalan patch, which I suspect causes regressions:

https://github.com/jboss/xalan-j/pull/3

The likely regression is here:

https://bugzilla.redhat.com/show_bug.cgi?id=1087991

> Performance issue with Xalan transformer and very large text nodes
> ------------------------------------------------------------------
>
>                 Key: WFLY-2900
>                 URL: https://issues.jboss.org/browse/WFLY-2900
>             Project: WildFly
>          Issue Type: Bug
>      Security Level: Public(Everyone can see) 
>          Components: XML Frameworks
>            Reporter: Kyle Lape
>            Assignee: Jason Greene
>            Priority: Blocker
>             Fix For: 8.2.0.CR1
>
>
> It has been observed that when using the {{Transfomer}} to convert a {{StreamSource}} to {{DOMResult}}, the performance of Transform gets worse as the size of the
> character data increases.  If you have a 50MB text blob in XML, this will take a very long time to finish.



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