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https://issues.apache.org/jira/browse/JCR-3735?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13910246#comment-13910246
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Amit Jain commented on JCR-3735:
--------------------------------

Hi,

Yes, we will need to copy the file. Using FileChannel which should be faster 
for large files.
Yes it is for FileDataStore. But the same approach can be used in other 
DataStores.

> Efficient copying of binaries in Jackrabbit DataStores
> ------------------------------------------------------
>
>                 Key: JCR-3735
>                 URL: https://issues.apache.org/jira/browse/JCR-3735
>             Project: Jackrabbit Content Repository
>          Issue Type: Improvement
>          Components: jackrabbit-core
>    Affects Versions: 2.7.4
>            Reporter: Amit Jain
>
> In the DataStore implementations an additional temporary file is created for 
> every binary uploaded. This step is an additional overhead when the upload 
> process itself creates a temporary file. 
> So, the solution proposed is to check if the input stream passed is a 
> FileInputStream and then use the FileChannel object associated with the input 
> stream to copy the file.



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