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From Renato Javier Marroquín Mogrovejo (JIRA) <>
Subject [jira] [Commented] (GIRAPH-946) Upgrade to Gora 0.5
Date Sun, 12 Oct 2014 13:06:33 GMT


Renato Javier Marroquín Mogrovejo commented on GIRAPH-946:

Hi [~rvs],

1. The major change from Gora 0.3 to 0.5 is the upgrade from Avro 1.3.3 to 1.7.6. There are
some integration example classes that we decided to include in Giraph as part of GSoC. When
the integration was done both projects (Giraph and Gora) were using Avro 1.3.3 so this wasn't
a problem, but now it might be. So now to keep this reference classes, Giraph would have to
be upgraded to use Avro 1.7.6. Is there any special reason why this would want to avoided?
I run mvn verify and everything was successful, or should I be looking into something else?
2. I don't think I understand your question here. The tests developed use an in-memory data
store that Gora provides and which doesn't require an extra dependency. Then the tests helped
us testing that data ingestion and saving results from/into Gora data stores was successful.
Besides that, I created a simple program to write into HBase using Gora and run Giraph algorithms
through the integration. We couldn't do that in the tests because that would have implied
adding an extra dependency (gora-hbase, gora-cassandra, or other) and choosing a data store
depends on the user and not in Giraph, so including extra dependencies in Giraph's code base
didn't make sense.
3. So the only thing that the user would need to do is to update to Gora 0.5 which would imply
updating the data beans that Gora generates for reading and writing, and that is it. We have
some users coming and going in the mailing lists asking about it, but no "known" user using
this AFAIK :( 

> Upgrade to Gora 0.5
> -------------------
>                 Key: GIRAPH-946
>                 URL:
>             Project: Giraph
>          Issue Type: Improvement
>          Components: build
>            Reporter: Lewis John McGibbney
>            Assignee: Renato Javier Marroquín Mogrovejo
>             Fix For: 1.1.0
>         Attachments: GIRAPH-946.patch
> We recently released Gora 0.5
> Giraph should upgrade to 0.5 as there is better support with added modules which Giraph
can take advantage of.

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