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From "Thomas Jungblut (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HAMA-566) Add a disk-based queue
Date Tue, 01 May 2012 12:11:47 GMT
Thomas Jungblut created HAMA-566:
------------------------------------

             Summary: 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
             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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