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From "Tobias Bocanegra (JIRA)" <j...@apache.org>
Subject [jira] [Created] (JCRVLT-31) Packages defined by a stream are copied to a file first
Date Sat, 15 Feb 2014 01:27:28 GMT
Tobias Bocanegra created JCRVLT-31:

             Summary: Packages defined by a stream are copied to a file first
                 Key: JCRVLT-31
                 URL: https://issues.apache.org/jira/browse/JCRVLT-31
             Project: Jackrabbit FileVault
          Issue Type: Improvement
            Reporter: Tobias Bocanegra

in the current implementation the binary data of a package is always copied to a file before
it's handled. because the meta-inf files might not be at the beginning of the stream. this
might be a considerable performance drain when uploading large packages.

in order to change this, the entire archive handling needs to be rewritten. i.e. the current
way of copying the input stream to a tmp-file is "optimal" in this respect because the file
is not regenerated when the package is accessed for installing.

using a jar file a format might be possible - but is not controllable since we deliberately
allow any kind of zips for packages that were not created by a jar-tool, package manager,
vlt etc.

however, another fast approach would be to scan-and-copy the package into the repository and
extract at the same time the relevant metadata. since the stream is consumed during ValueFactory.createValue(),
the proper packageId can be used to create the path and no tmp-location is needed.

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