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From Miklós Erdélyi <>
Subject Re: Pregel clone projects
Date Wed, 29 Jun 2011 19:24:59 GMT

I've already implemented a graph package on top of HAMA in which you
might be interested.
It supports the basic Pregel API, i.e., "thinking like a vertex" based
on HAMA. The reason why I haven't released it yet is that it does not
support general graph input/data output -- currently it can only load
partitioned graphs from the local filesystem (in practice graphs
accessible through NFS on a cluster) and there's no infrastructure in
place for outputting data from vertexes.

If there are any volunteers wanting to help putting it into a
releasable shape, raise your hands! :D


On Wed, Jun 29, 2011 at 3:22 AM, Edward J. Yoon <> wrote:
> Hi,
> Recently, I'm see many Pregel clone projects e.g., giraph, goldenorb,
> jpregel, .., etc. (although they are all the early stage)
> I still believe that the core is a BSP computing engine but, "Pregel
> clone" is a good marketing strategy.
> Should we plan the Pregel-like graph APIs for 0.4-incubating?
> Thanks.
> --
> Best Regards, Edward J. Yoon
> @eddieyoon

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