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

["Nicholas Tietz (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-1153?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15211948#comment-15211948 ] 

Nicholas Tietz commented on SPARK-1153:
---------------------------------------

We are also running into this issue and would like this feature. For our use case and our data size, even a low risk of hash collisions is not acceptable, so we have to have a reliable way to form unique ids from our current unique string ids.

I'm going to work on a patch next week.

Since this is marked "won't fix" due to inactivity, what's the process if a PR is submitted? (Sorry, new to the Apache contribution process.)

> 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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