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Posted to dev@sling.apache.org by "Tommaso Teofili (JIRA)" <ji...@apache.org> on 2014/02/14 17:40:19 UTC

[jira] [Resolved] (SLING-3395) Event based reverse replication

     [ https://issues.apache.org/jira/browse/SLING-3395?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tommaso Teofili resolved SLING-3395.
------------------------------------

    Resolution: Fixed

resolved via SSE, using a "queue event based poll" rule

> Event based reverse replication
> -------------------------------
>
>                 Key: SLING-3395
>                 URL: https://issues.apache.org/jira/browse/SLING-3395
>             Project: Sling
>          Issue Type: Improvement
>          Components: Extensions
>            Reporter: Tommaso Teofili
>            Assignee: Tommaso Teofili
>              Labels: replication
>
> Currently polling from remote instances can be done periodically via a "schedule" rule. An improved design would allow the poller to get notifications about when a new item to poll is available. Implementation wise this can be done via Websocket, Server Sent Events, Long Poll, etc. since it allows the polling instance to establish the connection and the polled instance to signal events there (like a command channel) asynchronously and let reverse replication happen only when needed.



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