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Posted to dev@giraph.apache.org by "Alessandro Presta (JIRA)" <ji...@apache.org> on 2012/10/31 02:59:12 UTC
[jira] [Commented] (GIRAPH-393) Number of input split threads
should always be >= 1
[ https://issues.apache.org/jira/browse/GIRAPH-393?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13487449#comment-13487449 ]
Alessandro Presta commented on GIRAPH-393:
------------------------------------------
+1, btw
> 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
> Attachments: GIRAPH-393.patch
>
>
> 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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