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https://issues.apache.org/jira/browse/GIRAPH-235?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13406616#comment-13406616
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Harsh J commented on GIRAPH-235:
--------------------------------
Have you specified your job output key/value classes to be the ones you need?
In pure MR land this is usually done via:
{code}
job.setOutputKeyClass(FloatWritable.class);
job.setOutputKeyClass(DoubleWritable.class);
{code}
(i.e. in the job config, which the SequenceFile.Writer underneath the
SequenceFileOutputFormat ends up reading and constructing itself with.)
The Text comes from defaults, so I strongly think the misconfiguration is this
un-configured part.
> SequenceFile output format (id-value only)
> ------------------------------------------
>
> Key: GIRAPH-235
> URL: https://issues.apache.org/jira/browse/GIRAPH-235
> Project: Giraph
> Issue Type: New Feature
> Components: lib
> Reporter: Gianmarco De Francisci Morales
> Attachments: GIRAPH-235.1.patch
>
>
> Create a SequenceFileOutputFormat for the cases where compression is
> important and we only want the value of the vertex (e.g. pagerank)
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