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https://issues.apache.org/jira/browse/JCRVLT-50?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tobias Bocanegra reassigned JCRVLT-50:
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Assignee: Tobias Bocanegra
> Add support for "hollow" packages
> ---------------------------------
>
> Key: JCRVLT-50
> URL: https://issues.apache.org/jira/browse/JCRVLT-50
> Project: Jackrabbit FileVault
> Issue Type: New Feature
> Components: Packaging
> Reporter: Tobias Bocanegra
> Assignee: Tobias Bocanegra
>
> when installing the customer package that is 3Gb, I noticed that installing
> it requires about 10Gb...
> The root cause seems that it doesn't use the file directly, but instead
> perform multiple copies before actually starting to extract it.
> 1. it copies the package from crx-quickstart/install to datastore
> 2. from datastore if first copy it in /tmp like
> vaultpack7793665768596308927.zip
> 3. in /tmp/ it create a second copy __vlttmpbuffer2535888623024233693.dat
> So at the end it will have used many diskspace which in the case of large
> package is not efficient.
> It could be nice if it would use the original file (datastore or /install
> folder) all the time.
> ---
> I think we should have 2 improvements:
> # add option for streaming install which would:
> ** create a "hollow" package, that does not store the package content in the
> repository (basically, a 0 byte jcr:data). I think it's still good to have
> the package node so that you see it was installed
> ** would not create a snapshot by default
> ** would not allow to uninstall
> ** would install directly from the stream, w/o need of tmp file (there might
> be a problem with large zip's that still need a tmp file - but with java7
> that might not be a problem anymore)
> # add option to select a file on the server disk for installation. this can
> be done independent of the "hollow" package support above. but would allow to
> scp the files on the server, and then install it w/o an ever-open browser
> connection.
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