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https://issues.apache.org/jira/browse/SPARK-25932?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16674659#comment-16674659
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Ali Zadedehbalaei commented on SPARK-25932:
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Thanks [~dongjoon] .
> why GraphX vertexId should be Long ?
> ------------------------------------
>
> Key: SPARK-25932
> URL: https://issues.apache.org/jira/browse/SPARK-25932
> Project: Spark
> Issue Type: Question
> Components: GraphX
> Affects Versions: 2.3.2
> Reporter: Ali Zadedehbalaei
> Priority: Critical
>
> Hi,
> Currently, {{VertexId}} is a type-synonym for {{Long}}. I would like to be
> able to use {{UUID}} as the vertex ID type because the data I want to process
> with GraphX uses that type for its primay-keys.
> Given that the UUID is a unique identifier and its length is constant, why
> can not it be used?
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