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https://jira.codehaus.org/browse/MRM-1733?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=316116#comment-316116
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Kishore Gopalakrishna commented on MRM-1733:
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Adrien Lecharpentier wrote,
IMO, it is a very good idea. I've already saw some config like this but
using proxy connector to "replicate" artifacts to archiva-instance close to
users (specific teams/dept). Using Helix could be a time saving and great
performance enhancement solution.
> Add replication and fault tolerance using Helix
> -----------------------------------------------
>
> Key: MRM-1733
> URL: https://jira.codehaus.org/browse/MRM-1733
> Project: Archiva
> Issue Type: New Feature
> Reporter: Kishore Gopalakrishna
>
> As of today, Archiva does not support replication and does not support
> automatic fail over. Archiva has two main storage types, the files uploaded
> to the repository which uses file system for storage and metadata storage for
> which Jack Rabbit is used. Archiva also supports notification mechanism where
> a consumer can be notified of the changes in the repository.
> In order to have fault tolerance and replication, we can have multiple
> archiva instances running for redundancy. One of them will be elected as the
> master and will accept writes/reads. And the remaining will be slaves and
> only serve reads. The slaves can get notified from the master of every change
> and it will apply the changes. When the master dies, one of the slaves will
> become the master and serve writes.
> Apache Helix is a newly incubated project and provides the basic building
> blocks to add partition management, recovery from failure and cluster
> expansion with ease. I have built a sample prototype how one can build such a
> replicated file store using Helix. More information can be found here.
> http://helix.incubator.apache.org/recipes/rsync_replicated_file_store.html
> I have used rsync for replication and apache jci module to detect file
> system changes to show case the recipe as a generic use case. However in case
> of Archiva, one can use the notification mechanism provided by archiva
> consumer for detecting changes and using archiva api's to fetch the changed
> files.
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