[jira] [Commented] (SPARK-1153) Generalize VertexId in GraphX so that UUIDs can be used as vertex IDs.

["Carlos Balduz (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-1153?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14505071#comment-14505071 ] 

Carlos Balduz commented on SPARK-1153:
--------------------------------------

I am currently using zipWithUniqueId() to get a VertexID for my data, but that means that after getting the VertexIDs, I have to go to the edges data to look for each of those strings and assign the Id I got from the previous step. 

I agree it would be nice to be able to choose a different tipe of ID, leaving the user to decide whether he prefers performance or usability.

> Generalize VertexId in GraphX so that UUIDs can be used as vertex IDs.
> ----------------------------------------------------------------------
>
>                 Key: SPARK-1153
>                 URL: https://issues.apache.org/jira/browse/SPARK-1153
>             Project: Spark
>          Issue Type: Improvement
>          Components: GraphX
>    Affects Versions: 0.9.0
>            Reporter: Deepak Nulu
>
> 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. Others might have a different type for their primary-keys. Generalizing {{VertexId}} (with a type class) will help in such cases.



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