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https://issues.apache.org/jira/browse/GIRAPH-514?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13578809#comment-13578809
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Claudio Martella commented on GIRAPH-514:
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one solution would be to compact the files in the bg, ala bigtable or mapreduce
sort. question is: is the cost worth it?
> DiskBackedMessageStores should take advantage of machines with multiple disks
> -----------------------------------------------------------------------------
>
> Key: GIRAPH-514
> URL: https://issues.apache.org/jira/browse/GIRAPH-514
> Project: Giraph
> Issue Type: Improvement
> Reporter: Claudio Martella
> Assignee: Claudio Martella
> Priority: Minor
>
> We are storing messages on a per partition on disk. We can store each file
> (partition data) on a different disk, if available, to take advantage of full
> IO bandwith, when using multiple compute threads or workers per machine.
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