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Posted to dev@pdfbox.apache.org by "V (JIRA)" <ji...@apache.org> on 2015/08/04 06:14:04 UTC
[jira] [Commented] (PDFBOX-2908) PDFTextStripper.writeText is slow
[ https://issues.apache.org/jira/browse/PDFBOX-2908?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14653030#comment-14653030 ]
V commented on PDFBOX-2908:
---------------------------
That's very sad to know..
I think currently most other projects are linking to 1.8.x versions.
I tried to move to tika, its 1.9 depends on pdfbox 1.8.9, and even its future (1.11-SNAPSHOT) depends on 1.8.10 only. And apparently the API changes in pdfbox 2 causes that I can't override the dependency to use 2.0.0-SNAPSHOT directly via maven (i was thrown with a class not found).
And, yes, Tika's PDF parsing module is not any faster than when I use PDFBox 1.8 directly, if I didn't mention that.
On how to pass in the file, I tried both File and FileInputStream, which did not differ too much.
Plus I also tried to run on my Xubuntu 14.04, with its stock Java 7, which showed similar (slow) performance.
> PDFTextStripper.writeText is slow
> ---------------------------------
>
> Key: PDFBOX-2908
> URL: https://issues.apache.org/jira/browse/PDFBOX-2908
> Project: PDFBox
> Issue Type: Bug
> Components: Text extraction
> Affects Versions: 1.8.9, 1.8.10
> Environment: Mac OS X 10.10.4
> java version "1.8.0_31"
> Reporter: V
> Labels: pdfbox
> Fix For: 2.0.0
>
>
> I inserted raw time reporting functions before and after PDFTextStripper.writeText, it looks like it takes quite long to writeText to a StringWriter (84045ms for a ~1M pdf file).
> It looks like a 1.8.x issues (I can reproduce on 1.8.9 and 1.8.10, didn't test on other versions yet). When I switched to 2.0.0-SNAPSHOT, and the time improved dramatically to 532ms using the same code and for the same pdf file. What I changed in code was only one import to accommodate PDFTextStripper's package change in 2.0.0.
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