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From "stephen mallette (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (TINKERPOP-1967) Add a connectedComponent() step
Date Thu, 07 Jun 2018 20:23:00 GMT

    [ https://issues.apache.org/jira/browse/TINKERPOP-1967?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16505204#comment-16505204
] 

stephen mallette commented on TINKERPOP-1967:
---------------------------------------------

I guess you just need to set {{VertexProgramStrategy.WORKERS}} in the configuration like in
{{TinkerGraphComputerProvider}} in the tests:

{code}
graph.traversal().withStrategies(VertexProgramStrategy.create(new MapConfiguration(new HashMap<String,
Object>() {{
            put(VertexProgramStrategy.WORKERS, RANDOM.nextInt(Runtime.getRuntime().availableProcessors())
+ 1);
            put(VertexProgramStrategy.GRAPH_COMPUTER, RANDOM.nextBoolean() ?
                    GraphComputer.class.getCanonicalName() :
                    TinkerGraphComputer.class.getCanonicalName());
        }})));
{code}

> I saw that the ClusterCountMapReduce and ClusterPopulationMapReduce classes are not usable
for the ConnectedComponentVertexProgram. 

tbh, i wasn't sure that i saw the point of making similar classes as i was mostly thinking
about {{connectedComponent()}} step usage. Do you think those should be made available for
some reason?

> Add a connectedComponent() step
> -------------------------------
>
>                 Key: TINKERPOP-1967
>                 URL: https://issues.apache.org/jira/browse/TINKERPOP-1967
>             Project: TinkerPop
>          Issue Type: Improvement
>          Components: process
>    Affects Versions: 3.3.3
>            Reporter: stephen mallette
>            Assignee: stephen mallette
>            Priority: Minor
>             Fix For: 3.4.0
>
>
> Given TINKERPOP-1852 we should probably just simplify and improve performance of connected
component identification. Implementing this will involved the creation of {{ConnectedComponentVertexProgram}}.



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