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https://issues.apache.org/jira/browse/IGNITE-3972?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15650313#comment-15650313
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ASF GitHub Bot commented on IGNITE-3972:
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Github user asfgit closed the pull request at:
https://github.com/apache/ignite/pull/1133
> Continuous query events could be lost on backup node when primary leaves
> (atomic cache).
> ----------------------------------------------------------------------------------------
>
> Key: IGNITE-3972
> URL: https://issues.apache.org/jira/browse/IGNITE-3972
> Project: Ignite
> Issue Type: Bug
> Components: cache
> Affects Versions: 1.7
> Reporter: Vladimir Ozerov
> Assignee: Vladimir Ozerov
> Fix For: 1.8
>
>
> Consider the following scenario:
> 1) One node in topology;
> 2) PARTITIONED cache with 1 backup;
> 3) Continuous query is set on the cache;
> If another node joins the cluster, it will handle some updates. If it leaves
> the topology, the first node must flush it's own events from backup queue
> thus ensuring that no events are lost.
> But this doesn't happen because
> {{GridContinuousProcessor.addBackupNotification}} method perform lookup only
> on remote infos map, while handler is local and hence located in local infos
> map.
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