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From Sebastian Schelter <>
Subject Re: [jira] [Created] (MAHOUT-1049) out of memory error when running PageRank
Date Fri, 03 Aug 2012 08:31:18 GMT
Unfortunately, we dropped the support for PageRank. For performance
reasons, our implementation assumed that the pageRank vector fits into
memory, making it unsuitable for very large graphs.

I'd recommend you have a look at Apache Giraph, a framework dedicated to
large scale graph processing.

On 03.08.2012 10:27, Yan Liu (JIRA) wrote:
> Yan Liu created MAHOUT-1049:
> -------------------------------
>              Summary: out of memory error when running PageRank
>                  Key: MAHOUT-1049
>                  URL:
>              Project: Mahout
>           Issue Type: Improvement
>             Reporter: Yan Liu
> We always met a 'out of memory' error when running PageRank. Since we have to run large-scale
data, is there any way for improvement?
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