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https://issues.apache.org/jira/browse/ZOOKEEPER-481?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12738964#action_12738964
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Hudson commented on ZOOKEEPER-481:
----------------------------------
Integrated in ZooKeeper-trunk #404 (See
[http://hudson.zones.apache.org/hudson/job/ZooKeeper-trunk/404/])
. Add lastMessageSent to QuorumCnxManager. (flavio via mahadev)
> Add lastMessageSent to QuorumCnxManager
> ---------------------------------------
>
> Key: ZOOKEEPER-481
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-481
> Project: Zookeeper
> Issue Type: Bug
> Components: leaderElection
> Affects Versions: 3.1.1, 3.2.0
> Reporter: Flavio Paiva Junqueira
> Assignee: Flavio Paiva Junqueira
> Fix For: 3.2.1, 3.3.0
>
> Attachments: ZOOKEEPER-481-branch3.2.patch,
> ZOOKEEPER-481-branch3.2.patch, ZOOKEEPER-481.patch, ZOOKEEPER-481.patch,
> ZOOKEEPER-481.patch, ZOOKEEPER-481.patch, ZOOKEEPER-481.patch
>
>
> Currently we rely on TCP for reliable delivery of FLE messages. However, as
> we concurrently drop and create new connections, it is possible that a
> message is sent but never received. With this patch, cnx manager keeps a list
> of last messages sent, and resends the last one sent. Receiving multiples
> copies is harmless.
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