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From "Thomas Mueller (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (JCR-3735) Efficient copying of binaries in Jackrabbit DataStores
Date Mon, 24 Feb 2014 11:12:19 GMT

    [ https://issues.apache.org/jira/browse/JCR-3735?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13910211#comment-13910211
] 

Thomas Mueller commented on JCR-3735:
-------------------------------------

Is this for the FileDataStore?

Is this issue about calculating the content hash from the existing file, so that one less
copy is needed? But a temporary file would still be needed, right? Or do you suggest to still
copy the file, but use FileChannel instead of FileInputStream?

> 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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