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https://issues.apache.org/jira/browse/JCR-1300?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12570993#action_12570993
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Jozef Wagner commented on JCR-1300:
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Thank you Angela, I'll try it and will report my findings here.
Jozef
> spi2dav Improve performance for large binary properties
> -------------------------------------------------------
>
> Key: JCR-1300
> URL: https://issues.apache.org/jira/browse/JCR-1300
> Project: Jackrabbit
> Issue Type: Improvement
> Components: contrib, jackrabbit-jcr-server
> Reporter: Jozef Wagner
> Assignee: angela
> Attachments: JCR-1300_jcr-server.patch, JCR-1300_spi2dav.patch
>
>
> Sending large binary properties over spi2dav is slow and requires a lot of
> heap space in both client and server.
> One problematic part is base64 conversion of the property value.
> On the contrary, using 'normal' webdav interface (/repository/default/
> instead of /server) for uploading a file (through traditional webdav client)
> it is pretty fast and don't have such impact on heap space.
> Some suggestions from the previous discussion:
> - avoid temporary copies of the data, and persist large objects as early as
> possible.
> - transfer large objects in blocks from the Jackrabbit SPI client to the
> server (and back).
> - make usage of the global data store (JCR-926).
> - straight forward PUT for single-valued properties
> Link to discussion:
> http://www.mail-archive.com/[email protected]/msg09481.html
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