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https://issues.apache.org/jira/browse/GIRAPH-513?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13577779#comment-13577779
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Maja Kabiljo commented on GIRAPH-513:
-------------------------------------
With messages we also have one file per partition (one
SequentialFileMessageStore per partition) so it should be similar.
Regarding the patch, be careful that Math.abs can return negative value for
Integer.MIN_VALUE. To be safe, you can do a mod operation first, and then take
Math.abs.
> OnDiskPartitionStore should take advantage of multiple disks
> ------------------------------------------------------------
>
> Key: GIRAPH-513
> URL: https://issues.apache.org/jira/browse/GIRAPH-513
> Project: Giraph
> Issue Type: Improvement
> Reporter: Claudio Martella
> Assignee: Claudio Martella
> Priority: Minor
> Attachments: GIRAPH-513.diff
>
>
> Currently multiple compute threads can share the same OnDiskPartitionStore,
> but we do not take advantage of machines with multiple disks. We should
> partition the Partitions across the different disks, mimicking the way
> DataNodes take advantage of multiple disks.
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