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https://issues.apache.org/jira/browse/HAMA-613?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yuesheng Hu reassigned HAMA-613:
--------------------------------
Assignee: Yuesheng Hu
> Scheduler kills job too silently when out of slots
> --------------------------------------------------
>
> Key: HAMA-613
> URL: https://issues.apache.org/jira/browse/HAMA-613
> Project: Hama
> Issue Type: Bug
> Components: bsp core
> Affects Versions: 0.5.0
> Reporter: Thomas Jungblut
> Assignee: Yuesheng Hu
> Priority: Blocker
> Fix For: 0.6.0
>
> Attachments: HAMA-613.patch
>
>
> If for example a user submits two text files as input, it will sometimes be
> split in 4 chunks.
> This usually exceeds the number of tasks that are available in the cluster
> (if out of the box installation just have 3 tasks configured).
> Mainly two questions that pop into my mind:
> -Why are two text files split into 4 tasks if the BSPJobClient should check
> if it exceeds the number of available task slots?
> -Why does the Client schedules the job if it knows that there are not enough
> slots available?
> Of course this should yield into a less cryptic error message. Well, actually
> currently there is no error messages, constantly confusing users.
> This is a blocker for 0.6.
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