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From "Flavio Paiva Junqueira (JIRA)" <j...@apache.org>
Subject [jira] Commented: (ZOOKEEPER-87) Follower does not shut itself down if its too far behind the leader.
Date Thu, 24 Jul 2008 10:27:37 GMT

    [ https://issues.apache.org/jira/browse/ZOOKEEPER-87?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12616435#action_12616435
] 

Flavio Paiva Junqueira commented on ZOOKEEPER-87:
-------------------------------------------------

Mahadev, I was thinking that we we could set a maximum capacity to queuedPackets on FollowerHandler,
and check the remaining capacity on FollowerHandler.queuePacket() before accepting a new packet.
We could then invoke FollowerHandler.shutdown() in the case we reach the capacity. What do
you think? If you think this is a good idea, I can create a patch.



> 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
>            Reporter: Mahadev konar
>            Assignee: Mahadev konar
>            Priority: Critical
>             Fix For: 3.0.0
>
>
> 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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