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Posted to dev@hama.apache.org by "Thomas Jungblut (JIRA)" <ji...@apache.org> on 2012/05/03 15:48:51 UTC

[jira] [Assigned] (HAMA-566) Add a disk-based queue

     [ https://issues.apache.org/jira/browse/HAMA-566?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Thomas Jungblut reassigned HAMA-566:
------------------------------------

    Assignee: Thomas Jungblut
    
> Add a disk-based queue
> ----------------------
>
>                 Key: HAMA-566
>                 URL: https://issues.apache.org/jira/browse/HAMA-566
>             Project: Hama
>          Issue Type: New Feature
>          Components: bsp core, messaging
>    Affects Versions: 0.5.0
>            Reporter: Thomas Jungblut
>            Assignee: Thomas Jungblut
>             Fix For: 0.6.0
>
>
> After the refactoring in HAMA-521 the disk-queue is still malfunctioning. It hangs after a superstep in the method where we switch from the local queue to the messaging queue.
> Generally it is useful to make a sequence diagram to know what happens when.
> We want to use low overhead buffered byte writing instead of sequence files and we want to write to local disk. 
> Currently the disk queue is doing the exact opposite.

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