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https://issues.apache.org/jira/browse/ZOOKEEPER-87?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Germán Blanco updated ZOOKEEPER-87:
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Attachment: ZOOKEEPER-87.patch
I would like to propose this fix for the problem. I keeps a list of the
proposals sent to each Learner and shuts it down if any of the proposals
reaches the timeout.
It also skips sending pings if there are any proposals waiting for
acknowledgement.
According to my understanding the new behaviour fits better with the current
description of syncLimit.
> Follower does not shut itself down if its too far behind the leader.
> --------------------------------------------------------------------
>
> Key: ZOOKEEPER-87
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-87
> Project: ZooKeeper
> Issue Type: Bug
> Components: quorum
> Reporter: Mahadev konar
> Assignee: Mahadev konar
> Priority: Critical
> Fix For: 3.5.0
>
> Attachments: ZOOKEEPER-87.patch
>
>
> Currently, the follower if lagging behind keeps sending pings to the leader
> it will stay alive and will keep getting further and further behind the
> leader. The follower should shut itself down if it is not able to keep up to
> the leader within some limit so that gurantee of updates can be made to the
> clients connected to different servers.
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