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From lewis john mcgibbney <lewi...@apache.org>
Subject Re: GSoC Ideas
Date Thu, 15 Mar 2018 07:24:34 GMT
Hi Renato,

On Wed, Mar 14, 2018 at 3:22 PM, Renato MarroquĂ­n Mogrovejo <
renatoj.marroquin@gmail.com> wrote:

> Hey guys,
>
> There might not be an integration/convertors of Arrow to Avro (and/or
> viceversa) because there are parquet readers that can take avro and once
> stuff is in parquet, then arrow can be used directly.
>

Yes there might not be. I actually raised this issue [0] a wee while ago on
the Arrow list. At that time I was told, "...The use case you outline makes
a lot of sense for Arrow to help out with. We don't yet have an AVRO <>
Arrow converter written but it is something that would be great to have."
So maybe that would be something to keep in mind.

[0] https://s.apache.org/2GwS


> Regarding if an integration of Parquet with Gora, I think it would be
> interesting to make it easier for people to read and write parquet files by
> providing a higher level api as Gora provides. However, for you @Talat,
> that knows Gora pretty well, maybe you could take another project that
> helps Gora more. For example, fixing the integration with Nutch. There are
> multiple loose ends in Nutch 2.x and Gora that we have neglected as a
> community.
> IMHO that should be GSOC project.
>

ACK, other existing projects which consume Gora are (off the top of my
head),

   - Chukwa - https://s.apache.org/cW6a
   - Giraph - https://github.com/apache/giraph/tree/trunk/giraph-gora
   - Camel - https://camel.apache.org/gora.html
   - Nutch 2.X - https://github.com/apache/nutch/tree/2.x

An interesting idea I had where Gora could be implemented would be in
Hadoop metrics

https://hadoop.apache.org/docs/current/hadoop-project-dist/hadoop-common/Metrics.html

This would provide provide a text book usage for Gora to store Hadoop
metrics in some datastore which would then be exposed for query and
analysis.

> I can't mentored it because I do not have enough insights on this, but
> @Lewis and @Talat you can probably tackle this as mentor and student. This
> would be an awesome contribution to the project as there are quite a lot of
> people going over Nutch and trying to use it with Gora.
> Just my 2c
>
>
Understood Renato, no biggie. Thanks for your input. I know you are working
with Parquet alot these days so your input is appreciated.
Lewis

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