DynamoDB storage backend

[mcha...@gmail.com]

In conversations with AWS, they've expressed little willingness to continue to support this backend.

I am very interested in moving from a self-managed cassandra-on-aws graph, to a managed DynamoDB graph.

My company has expressed misgivings about basing our solution on an unsupported code base.

Is it possible that AWS could be persuaded to contribute the code to JanusGraph, and that JanusGraph would be willing to maintain it going forward?

 what is needed to make that happen?

[Robert Dale]

It probably has to do with the fact that Amazon recently announced their own graph technology - https://aws.amazon.com/neptune/

Robert Dale

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[mcha...@gmail.com]

I'm sure that is part of it. However Neptune does not scale out like DynamDB does.

For some people, Neptune will not work.

On Thursday, December 7, 2017 at 1:59:47 PM UTC-5, Robert Dale wrote:

It probably has to do with the fact that Amazon recently announced their own graph technology - https://aws.amazon.com/neptune/

Robert Dale

On Thu, Dec 7, 2017 at 1:16 PM, <mcha...@gmail.com> wrote:

In conversations with AWS, they've expressed little willingness to continue to support this backend.

I am very interested in moving from a self-managed cassandra-on-aws graph, to a managed DynamoDB graph.

My company has expressed misgivings about basing our solution on an unsupported code base.

Is it possible that AWS could be persuaded to contribute the code to JanusGraph, and that JanusGraph would be willing to maintain it going forward?

 what is needed to make that happen?

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[Stephen Mallette]

That's an interesting statement....could you elaborate?

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[mcha...@gmail.com]

Cassandra and DynamDB have similar eventually consistent, scale-out, cluster types of architectures.

They are "essentially" unlimited in the amount of data, or cluster size.

Neptune - as of today - is limited to 64TB of data.

it has one write master (limiting write capacity) and up to 15 read replicas (liming read capacity).

they project that means 100B relations in graph DB - subject to size and number of string properties

On Friday, December 8, 2017 at 12:20:23 PM UTC-5, Stephen Mallette wrote:

That's an interesting statement....could you elaborate?

On Fri, Dec 8, 2017 at 11:39 AM, <mcha...@gmail.com> wrote:

I'm sure that is part of it. However Neptune does not scale out like DynamDB does.

For some people, Neptune will not work.

On Thursday, December 7, 2017 at 1:59:47 PM UTC-5, Robert Dale wrote:

It probably has to do with the fact that Amazon recently announced their own graph technology - https://aws.amazon.com/neptune/

Robert Dale

On Thu, Dec 7, 2017 at 1:16 PM, <mcha...@gmail.com> wrote:

In conversations with AWS, they've expressed little willingness to continue to support this backend.

I am very interested in moving from a self-managed cassandra-on-aws graph, to a managed DynamoDB graph.

My company has expressed misgivings about basing our solution on an unsupported code base.

Is it possible that AWS could be persuaded to contribute the code to JanusGraph, and that JanusGraph would be willing to maintain it going forward?

 what is needed to make that happen?

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[Henry Saputra]

Sorry to follow up on old thread, anyone from AWS could chime whether Neptune is using or base on JanusGraph or totally build from scratch?

Trying to build case to use JanusGraph rather than come up with your own Graph stack in my work.

Thanks,

- Henry

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[Ted Wilmes]

Hi Henry,

I'm not from Amazon, but it looks like it has no relation to JanusGraph. From what I've read, I think it might have some Blazegraph DNA in it: http://www.snee.com/bobdc.blog/2017/12/sparql-and-amazon-web-services.html.

--Ted

[Henry Saputra]

Hi Ted,

Thanks for sharing the link. Interesting given integration with Dynamo for JanusGraph ...

But support for RDF/SPARQL could be nice integration for some use cases.

- Henry

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[Alexander Patrikalakis]

I just published support for JanusGraph 0.2.0 to Maven today:

https://search.maven.org/#artifactdetails%7Ccom.amazonaws%7Cdynamodb-janusgraph-storage-backend%7C1.2.0%7Cjar

https://github.com/awslabs/dynamodb-janusgraph-storage-backend/releases/tag/jg0.2.0-1.2.0

I will double up to track 0.3.0 track support over the coming weeks.

Thank you

Alex

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[crs...@googlemail.com]

Hello

Are you intending on creating the adapter for Janusgraph 3.0 / DynamoDB?

Thanks

Chris