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https://issues.apache.org/jira/browse/DAFFODIL-2872?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17818930#comment-17818930
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Steve Lawrence commented on DAFFODIL-2872:
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Commit 37fa52e2efed11d4fa272a2f61c47e42302cc6ed improved performance for XML
text infoset outputter, it doesn't specifically help this issue, but should
help performance of projecting the infoset to XML for all formats
> Performance for fixed-length textual data formats
> -------------------------------------------------
>
> Key: DAFFODIL-2872
> URL: https://issues.apache.org/jira/browse/DAFFODIL-2872
> Project: Daffodil
> Issue Type: Improvement
> Components: Back End
> Affects Versions: 3.6.0
> Reporter: Mike Beckerle
> Assignee: Steve Lawrence
> Priority: Major
> Fix For: 3.7.0
>
>
> Users have reported very slow performance on schemas for fixed length textual
> formats such as ARINC 484. (132 column lines, fields are fixed length)
> It is reported that it takes minutes to parse 5 million lines. Despite
> changing the schema to use choice-by-dispatch everywhere.
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