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From "Alessandro Presta (JIRA)" <j...@apache.org>
Subject [jira] [Created] (GIRAPH-393) Number of input split threads should always be >= 1
Date Tue, 30 Oct 2012 23:28:13 GMT
Alessandro Presta created GIRAPH-393:
----------------------------------------

             Summary: Number of input split threads should always be >= 1
                 Key: GIRAPH-393
                 URL: https://issues.apache.org/jira/browse/GIRAPH-393
             Project: Giraph
          Issue Type: Bug
            Reporter: Alessandro Presta
            Assignee: Alessandro Presta


When the number of input splits is less than the number of workers, integer division in the
following snippet means we end up with 0:

{code}
int maxInputSplitThreads =
        inputSplitPathList.size() / getConfiguration().getMaxWorkers();
    int numThreads =
        Math.min(getConfiguration().getNumInputSplitsThreads(),
            maxInputSplitThreads);
{code}

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