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https://issues.apache.org/jira/browse/S4-7?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Matthieu Morel updated S4-7:
----------------------------
Fix Version/s: (was: 0.6)
> Netty to tolerate network glitches and connection loss
> ------------------------------------------------------
>
> Key: S4-7
> URL: https://issues.apache.org/jira/browse/S4-7
> Project: Apache S4
> Issue Type: Bug
> Reporter: Leo Neumeyer
> Attachments: S4-7-2.patch, S4-7.patch
>
>
> NettyEmitter connects to different partitions and creates channels over which
> it communicates to other listeners.
> It suffers from the following issues --
> 1. If the underlying topology changes, the channels and the associated
> connections are not updated.
> 2. If a connection gets disconnected, it stays disconnected.
> 3. If for any reason, a connection can't be made, send() drops the message to
> be sent.
> The solution is to -
> 1. Maintain a bounded messageQueue for each destination partition - if a
> connection does not exist, the message should be queued.
> 2. Maintain a map of the channel used for each destination partition - update
> this map on changes to topology, or on send() in case of disconnections.
> 3. Every time a (re-)connection is made, send the queued messages first.
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