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https://issues.apache.org/jira/browse/HAMA-531?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13280737#comment-13280737
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Thomas Jungblut commented on HAMA-531:
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I think we should delay this a bit. I'm going to commit this partitioning for
graph algorithms now since this is our major feature.
> Data re-partitioning in BSPJobClient
> ------------------------------------
>
> Key: HAMA-531
> URL: https://issues.apache.org/jira/browse/HAMA-531
> Project: Hama
> Issue Type: Improvement
> Reporter: Edward J. Yoon
> Assignee: Thomas Jungblut
> Attachments: HAMA-531_1.patch, HAMA-531_2.patch, HAMA-531_final.patch
>
>
> The re-partitioning the data is a very expensive operation. By the way,
> currently, we processes read/write operations sequentially using HDFS api in
> BSPJobClient from client-side. This causes potential too many open files
> error, contains HDFS overheads, and shows slow performance.
> We have to find another way to re-partitioning data.
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