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From Ted Dunning <tdunn...@maprtech.com>
Subject Re: hadoop / hbase /zookeeper architecture for best performance
Date Tue, 21 Jun 2011 14:46:00 GMT
Are you over-committing memory?

That sounds like you may have some issues with swapping.

On Tue, Jun 21, 2011 at 8:43 AM, Andre Reiter <a.reiter@web.de> wrote:

> the MR jobs on our Hbase table are running far too slow... RowCounter is
> running about 13 minutes for 3249727 rows, thats just inacceptable

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