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https://issues.apache.org/jira/browse/TINKERPOP-2210?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17315421#comment-17315421
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Stephen Mallette commented on TINKERPOP-2210:
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We might be a bit closer to this with TINKERPOP-2245
> Support cancellation of remote traversals
> -----------------------------------------
>
> Key: TINKERPOP-2210
> URL: https://issues.apache.org/jira/browse/TINKERPOP-2210
> Project: TinkerPop
> Issue Type: Improvement
> Components: server
> Affects Versions: 3.4.1
> Reporter: Florian Hockmann
> Priority: Minor
>
> It should be possible to cancel a remote traversals in Gremlin, for example
> when an application shuts down. This involves the following steps:
> * Cancel the send operation.
> * Cancel the task the user is awaiting on by cancelling the underlying
> {{TaskCompletionSource}}. This means that any received data for this
> traversal needs to be ignored afterwards.
> * Cancel the operation on the server if possible.
> I'm not sure if / how we can cancel the operation on the server. If it's not
> easy to do that right now, then we should just start by cancelling everything
> only client-side.
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