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https://issues.jenkins-ci.org/browse/JENKINS-9190?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=161613#comment-161613
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yossis commented on JENKINS-9190:
---------------------------------
This is possible in Artifactory using what we call ["checksum
deploy"|http://wiki.jfrog.org/confluence/display/RTF/Artifactory%27s+REST+API#ArtifactorysRESTAPI-DeployArtifactbyChecksum].
Support in Jenkins plugin is coming in the next version. We'll probably use it
only for artifacts bigger that 10KB. You can follow the following issue:
https://issues.jfrog.org/jira/browse/BI-126.
> deduplicating build artifacts
> -----------------------------
>
> Key: JENKINS-9190
> URL: https://issues.jenkins-ci.org/browse/JENKINS-9190
> Project: Jenkins
> Issue Type: Improvement
> Components: artifactory
> Affects Versions: current
> Reporter: Brian Murrell
> Assignee: yossis
>
> At least in our case, a project can produce quite a number of artifacts, some
> quite large and some which only change occasionally from one build to another
> (i.e. some artifacts change every time, some less frequently). It seems that
> both space and bandwidth could be saved by de-duplicating these seldom
> changed artifacts from one build to another.
> I imagine an algorithm where the server keeps a database of sums and sizes of
> stored artifacts and when a slave is going to send the artifacts of a build
> it first offers the sums and sizes of the artifacts. If the server finds
> potential matches, further verification of duplication could be performed
> (i.e. comparing random samples of the suspected duplicates) and once a
> duplicate has been confirmed, the server can either copy or link the artifact
> locally and tell the slave not to bother sending it.
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