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https://issues.apache.org/jira/browse/ARROW-2551?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wes McKinney resolved ARROW-2551.
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Resolution: Fixed
Fix Version/s: 0.10.0
Issue resolved by pull request 2031
[https://github.com/apache/arrow/pull/2031]
> [Plasma] Improve notification logic
> -----------------------------------
>
> Key: ARROW-2551
> URL: https://issues.apache.org/jira/browse/ARROW-2551
> Project: Apache Arrow
> Issue Type: Improvement
> Components: Plasma (C++)
> Reporter: Zhijun Fu
> Priority: Minor
> Labels: pull-request-available
> Fix For: 0.10.0
>
> Time Spent: 2h 40m
> Remaining Estimate: 0h
>
> There are a few issues in current Plasma notification code:
> * When a client subscribes to Plasma, the store pushes notifications about
> existing objects to ALL subscribers, while it should only push to the new
> subscriber.
> * And in the above scenario, it should only push "sealed" objects to the new
> subscriber, while currently it pushes all objects regardless of the state.
> * When a client disconnects, it will no longer be able to receive
> notifications, thus the NotificationQueue for the client should be removed
> from global map.
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