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https://issues.apache.org/jira/browse/JCR-1753?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12638273#action_12638273
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Thomas Mueller commented on JCR-1753:
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We need a configurable lower bound on the delay. Some applications may call
refresh() a lot. If there was a change, the cluster mechanism will call
PersistenceManager.onExternalUpdate(), which is potentially expensive. Without
a lower bound on the delay, the system may get unusably slow. For example, if
there is a background thread that calls Session.refresh() once a second, and if
PersistenceManager.onExternalUpdate() takes one second.
> Allow means force a Repository to synchronize with the cluster
> --------------------------------------------------------------
>
> Key: JCR-1753
> URL: https://issues.apache.org/jira/browse/JCR-1753
> Project: Jackrabbit
> Issue Type: New Feature
> Components: clustering, jackrabbit-api, jackrabbit-core
> Reporter: Micah Whitacre
> Assignee: Jukka Zitting
> Attachments:
> 0001-JCR-1753-Allow-means-force-a-Repository-to-synchron.patch,
> 0002-JCR-1753-Allow-means-force-a-Repository-to-synchron.patch,
> JCR-1753.tar.gz
>
>
> Based on the thread on the user mailing list I'm logging this to propose
> adding a sync() method to force cluster synchronization using the
> JackrabbitRepository extension API.
> The purpose of the method is such that in a distributed clustered environment
> sometime cluster synchronization does or has not occurred such that certain
> repositories are in a stale state. This method would provide a means to
> force a repository to update pull in possible changes made by other
> Jackrabbit repositories.
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