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https://issues.apache.org/jira/browse/HAMA-580?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13283359#comment-13283359
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Thomas Jungblut commented on HAMA-580:
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Just like told somewhere, you're writing the file wrong.
The fixed byte alignment must be like this for SSSP:
VertexID, VertexVALUE -> n times the same.
Text, IntWritable, VertexArrayWritable<Text, IntWritable>
Either fix the mapreduce job accordingly to take the classes or use Pagerank
which is:
VertexID, VertexVALUE -> n times quite the same
Text, DoubleWritable -> VertexArrayWritable<Text, NullWritable>
I'm taking a bit off of hama for the next few days, I'd script the proposed
Inputformatter for the user sunday/monday.
> Improve input of graph module
> -----------------------------
>
> Key: HAMA-580
> URL: https://issues.apache.org/jira/browse/HAMA-580
> Project: Hama
> Issue Type: Improvement
> Components: graph
> Affects Versions: 0.5.0
> Reporter: Thomas Jungblut
> Assignee: Thomas Jungblut
> Fix For: 0.5.0
>
> Attachments: HAMA-580.patch, HAMA-580_1.patch
>
>
> Currently it is too verbose, the wikipedia dataset is going to be bloated
> from 0.95gb to 5gb just because it is writing the classes x-times.
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