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https://issues.apache.org/jira/browse/TINKERPOP-1617?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15843508#comment-15843508
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ASF GitHub Bot commented on TINKERPOP-1617:
-------------------------------------------

Github user dkuppitz commented on the issue:

    https://github.com/apache/tinkerpop/pull/549
  
    `docker/build.sh -t -i -n` succeeded. Manual tests were showing epic 
performance results. Best PR in a long time.
    
    VOTE: +1


> Create a SingleIterationStrategy which will do its best to rewrite OLAP 
> traversals to not message pass.
> -------------------------------------------------------------------------------------------------------
>
>                 Key: TINKERPOP-1617
>                 URL: https://issues.apache.org/jira/browse/TINKERPOP-1617
>             Project: TinkerPop
>          Issue Type: Improvement
>          Components: process
>    Affects Versions: 3.2.3
>            Reporter: Marko A. Rodriguez
>            Assignee: Marko A. Rodriguez
>
> The traversal:
> {code}
> g.V().out().id().count()
> {code}
> Requires a message pass from {{out()}}. We shouldn't do this. Instead, if we 
> wrap the pre-barrier stage into a {{local()}}, we have:
> {code}
> g.V().local(out().id()).count()
> {code}
> ...which doesn't require a message pass and has the same semantics. This will 
> help open up numerous OLAP type traversals to single-pass/non-caching scans.



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