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Posted to dev@giraph.apache.org by "Igor Kabiljo (JIRA)" <ji...@apache.org> on 2013/10/18 00:21:42 UTC

[jira] [Created] (GIRAPH-785) Improve GraphPartitionerFactory usage

Igor Kabiljo created GIRAPH-785:
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             Summary: Improve GraphPartitionerFactory usage 
                 Key: GIRAPH-785
                 URL: https://issues.apache.org/jira/browse/GIRAPH-785
             Project: Giraph
          Issue Type: Bug
          Components: graph
    Affects Versions: 1.1.0
            Reporter: Igor Kabiljo
            Priority: Minor


Usage of GraphPartitionerFactory can be improved:

- defining custom partitioner needs extending 3 classes/interfaces, and defining multiple functions, which is more complex than needed 
- range partitioners are randomly assigning excess, instead of having each partition/worker having 1 consecutive range
- if maxPartitions is reached, we might be creating number of partitions that is not divisible with number of workers



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