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https://issues.apache.org/jira/browse/TIKA-2645?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16482909#comment-16482909
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Tim Allison commented on TIKA-2645:
-----------------------------------
For posterity, some points before I forget:
1) we should figure out how to autosize thread count
2) I did a dodgy copy/paste into MimeTypesReader for a separate pool because
the SAXParser used there has to be namespace unaware in contrast to the one we
use with our regular parsers. We should refactor to make this cleaner.
> Reuse SAXParsers where possible
> -------------------------------
>
> Key: TIKA-2645
> URL: https://issues.apache.org/jira/browse/TIKA-2645
> Project: Tika
> Issue Type: Task
> Reporter: Tim Allison
> Assignee: Tim Allison
> Priority: Major
> Fix For: 1.19, 2.0.0
>
>
> [~wastl-nagel] pointed out on the [user
> list|https://lists.apache.org/thread.html/54913f29cd83bba175f77a2d6a4902bb3a5cba2fa495bbfd6012024a@%3Cuser.tika.apache.org%3E]
> that there can be thread contention when creating SAXParsers. [~jukkaz]
> recommended pooling SAXParsers.
> I noticed a modest improvement in speed when parsing docx files with our SAX
> based parser, and I suspect that [~wastl-nagel] will find an even greater
> improvement during detection because we're currently creating a new SAXParser
> on every call to detect an XML root.
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