Hi Vasia & Andra,

Thanks for the pointers. I guess I have to implement basic support for dynamic 
streaming graphs. I’ll share my solutions or issues as I go on.

Best,

Ufuoma


> On 02 Nov 2015, at 17:51, Vasiliki Kalavri <[email protected]> wrote:
> 
> Hi Ufuoma,
> 
> Gelly doesn't support dynamic streaming graphs yet.
> The project Andra has linked to is a prototype for *one-pass* streaming graph 
> analytics, i.e. no graph state is maintained.
> 
> If you would like to keep and maintain the graph state in your streaming 
> program, you would have to implement it yourself.
> Take a look at the relevant section of the programming guide [1] and please 
> let us know if you have questions!
> 
> Cheers,
> -Vasia.
> 
> [1]: 
> https://ci.apache.org/projects/flink/flink-docs-master/apis/streaming_guide.html#working-with-state
>  
> <https://ci.apache.org/projects/flink/flink-docs-master/apis/streaming_guide.html#working-with-state>
> 
> On 2 November 2015 at 14:39, Andra Lungu <[email protected] 
> <mailto:[email protected]>> wrote:
> Hi,
> 
> There is a separate project related to graph streaming. It's called 
> gelly-streaming.
> And, if you look here:
> https://github.com/vasia/gelly-streaming/blob/master/src/main/java/org/apache/flink/graph/streaming/GraphStream.java
>  
> <https://github.com/vasia/gelly-streaming/blob/master/src/main/java/org/apache/flink/graph/streaming/GraphStream.java>
> 
> You can find a constructor which creates a graph from a DataStream of edges.
> 
> Gelly itself cannot do that, for now.
> 
> Hope this helps!
> Andra
> 
> On Mon, Nov 2, 2015 at 3:35 PM, UFUOMA IGHOROJE <[email protected] 
> <mailto:[email protected]>> wrote:
> Is there some support for creating Graphs from DataStream in Flink Gelly? My 
> use case is to create dynamic graphs, where the graph topology can be updated 
> from a stream of data. From the API, all I can find is creating graphs from 
> DataSets.
> 
> Best,
> 
> Ufuoma
> 
> 

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