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https://issues.apache.org/jira/browse/DAFFODIL-2788?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dave Thompson closed DAFFODIL-2788.
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Closing ticket as "Cannot Reproduce" per dev team. Will reopen if issue is
reproduced in the future,
> Huge number of unneccessary namespace bindings in XML output
> ------------------------------------------------------------
>
> Key: DAFFODIL-2788
> URL: https://issues.apache.org/jira/browse/DAFFODIL-2788
> Project: Daffodil
> Issue Type: Bug
> Components: Back End
> Affects Versions: 3.4.0
> Reporter: Mike Beckerle
> Priority: Critical
> Fix For: 3.5.0
>
>
> On a large commercial DFDL schema project, the XML documents being produced
> by the parse have truly excessive numbers of entirely unnecessary namespace
> bindings in them.
> The file size of XML infoset files is dominated by the namespace bindings.
> Technically the XML is "correct" and tests don't fail, but the volume of
> these bindings has first order impact on:
> * developer productivity - can't see what's going on in the XML data because
> it is so cluttered with bindings. What's worse, pretty printing gets very
> indented and ends up inserting whitespace around simple values (which breaks
> comparison) just due to these bindings.
> * performance - the XML output is vastly bigger than it needs to be. XML is
> already big and slow, but this is just piling on!
> If this fix is reasonably localized, I might request we make a patch for
> 3.4.0 (ex: 3.4.1) as this issue is very important.
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