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https://issues.apache.org/jira/browse/JCR-3735?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13911375#comment-13911375
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Thomas Mueller commented on JCR-3735:
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I wonder why you need to optimize the Jackrabbit 2.x DataStore? I think we
should rather optimize Oak, and should not spend too much time trying to
optimize Jackrabbit 2.x.
Please note that in Oak, the BlobStores that are based on the AbstractBlobStore
are not creating temporary files. They do that by splitting large binaries into
chunks. Similar for the SegmentNodeStore.
> 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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