Jakob Homan commented on GIRAPH-93:

bq. I've been trying to find any examples for using loading/storing from Hive 
tables to MapReduce jobs and can't find much unfortunately. I'd appreciate any 
Hive will deal with any data stored on HDFS via a SerDe that will expose in a 
way Hive wants.  I wrote the Avro Hive SerDe, if you're looking for an example 
of that: https://github.com/jghoman/haivvreo but I'm not sure what you're 
asking? Do you want to be able to spawn a Giraph vertex job from Hive? I've 
been thinking it would be good to be able to do that from Pig, so that you 
could do Giraph processing as a step in your Pig workflow.

HCatalog is relatively young, but being heavily developed and will eventually 
be the gatekeeper for data both in Hive and Pig (if all goes according to 
spec).  The HCatalog crew is doing a lot of work right now on the Hive 
metastore to make this happen.
> Hive input / output format
> --------------------------
>                 Key: GIRAPH-93
>                 URL: https://issues.apache.org/jira/browse/GIRAPH-93
>             Project: Giraph
>          Issue Type: New Feature
>            Reporter: Avery Ching
>            Assignee: Avery Ching
> It would be great to be able to load/store data from/to Hive tables.  

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