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Posted to dev@tika.apache.org by "Nick Burch (JIRA)" <ji...@apache.org> on 2011/03/25 19:08:06 UTC

[jira] [Updated] (TIKA-622) Switch from POIFSFileSystem to NPOIFSFileSystem, for speed and memory improvements

     [ https://issues.apache.org/jira/browse/TIKA-622?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Nick Burch updated TIKA-622:
----------------------------

    Attachment: NPOIFS.diff

The patch NPOIFS.diff adds support for using NPOIFSFileSystem from POI 3.8 beta 1 to Tika. (Not everything works though...)

> Switch from POIFSFileSystem to NPOIFSFileSystem, for speed and memory improvements
> ----------------------------------------------------------------------------------
>
>                 Key: TIKA-622
>                 URL: https://issues.apache.org/jira/browse/TIKA-622
>             Project: Tika
>          Issue Type: Improvement
>          Components: parser
>            Reporter: Nick Burch
>            Assignee: Nick Burch
>            Priority: Minor
>         Attachments: NPOIFS.diff
>
>
> With POI 3.8 beta 1, there's an alternate OLE2 implementation NPOIFSFileSystem. From an API level, it's very similar to the existing POIFSFileSystem class, but internally it's lower memory and generally faster.
> While NPOIFSFileSystem is currently read only (the write support has a couple of gaps), for Tika's needs that isn't an issue
> We should therefore switch our uses of POIFSFileSystem to NPOIFSFileSystem to reduce memory and enhance speed.

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