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Posted to user@spark.apache.org by Robineast <Ro...@xense.co.uk> on 2017/03/23 11:11:59 UTC
Re: GraphX Pregel API: add vertices and edges
Not that I'm aware of. Where did you read that?
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Robin East
Spark GraphX in Action Michael Malak and Robin East
Manning Publications Co.
http://www.manning.com/books/spark-graphx-in-action
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Re: GraphX Pregel API: add vertices and edges
Posted by Robineast <Ro...@xense.co.uk>.
From the section on Pregel API in the GraphX programming guide: '... the
Pregel operator in GraphX is a bulk-synchronous parallel messaging
abstraction /constrained to the topology of the graph/.'. Does that answer
your question? Did you read the programming guide?
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Robin East
Spark GraphX in Action Michael Malak and Robin East
Manning Publications Co.
http://www.manning.com/books/spark-graphx-in-action
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Re: GraphX Pregel API: add vertices and edges
Posted by Robineast <Ro...@xense.co.uk>.
GraphX is not synonymous with Pregel. To quote the GraphX programming guide
<http://spark.apache.org/docs/latest/graphx-programming-guide.html#pregel-api>
'GraphX exposes a variant of the Pregel API.'. There is no compute()
function in GraphX - see the Pregel API section of the programming guide for
details on how GraphX implements a Pregel-like API
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Robin East
Spark GraphX in Action Michael Malak and Robin East
Manning Publications Co.
http://www.manning.com/books/spark-graphx-in-action
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