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From "Jakob Homan (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (GIRAPH-24) Job-level statistics reports one superstep greater than workers
Date Thu, 01 Sep 2011 00:39:09 GMT

     [ https://issues.apache.org/jira/browse/GIRAPH-24?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jakob Homan updated GIRAPH-24:
------------------------------

    Attachment: GIRAPH-24.patch

Patch that only increments the counter after the zeroth superstep to the keep the count consistent
between the job and the workers.  No unit test as this is very difficult to access in its
current form.  Manually tested as part of a job.

> Job-level statistics reports one superstep greater than workers
> ---------------------------------------------------------------
>
>                 Key: GIRAPH-24
>                 URL: https://issues.apache.org/jira/browse/GIRAPH-24
>             Project: Giraph
>          Issue Type: Bug
>            Reporter: Jakob Homan
>            Assignee: Jakob Homan
>         Attachments: GIRAPH-24.patch
>
>
> In {{BspServiceMaster::coordinateSuperstep()}} the {{superStepCounter}} is incremented
when the coordination begins, but since the counter starts at zero, this has the job level
statistic being at superstep {{n+1}} when the workers are reporting that they are working
on {{n}}.  This discrepancy persists throughout the job.

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