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From "Igor Kabiljo (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (GIRAPH-785) Improve GraphPartitionerFactory usage
Date Thu, 17 Oct 2013 22:27:42 GMT

     [ https://issues.apache.org/jira/browse/GIRAPH-785?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Igor Kabiljo updated GIRAPH-785:
--------------------------------

    Attachment: partition_patch.txt

> 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
>         Attachments: partition_patch.txt
>
>   Original Estimate: 24h
>  Remaining Estimate: 24h
>
> 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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