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Re: block location - Hadoop - [mail # user]
...Correct, do not use the hadoop balancer on a cluster serving HBase data. Let HBase handle it at the region level.To recover locality, you will need to run major compactions of the affec...
   Author: Bryan Beaudreault, 2014-03-28, 01:45
Re: Force one mapper per machine (not core)? - Hadoop - [mail # user]
...If this cluster is being used exclusively for this goal, you could just setthe mapred.tasktracker.map.tasks.maximum to 1.On Tue, Jan 28, 2014 at 5:00 PM, Keith Wiley  wrote: ...
   Author: Bryan Beaudreault, 2014-01-28, 22:10
Re: HDFS question - Hadoop - [mail # user]
...Do you have a jobtracker?  Without a jobtracker and tasktrackers, distcp isrunning in LocalRunner mode.  I.E. it is running a single-threaded processon the local machine.  The...
   Author: Bryan Beaudreault, 2014-01-28, 16:52
Re: dynamically resizing the Hadoop cluster? - Hadoop - [mail # user]
...It seems like you may want to look into Amazon's EMR (elastic mapreduce), which does much of what you are trying to do.  It's worth taking a look at since you're already storing your da...
   Author: Bryan Beaudreault, 2013-10-24, 21:21
Re: Why/When partitioner is used. - Hadoop - [mail # user]
...There are practical applications for defining your own partitioner as well:  1) Controlling database concurrency.  For instance, lets say you have a distributed datastore like HBas...
   Author: Bryan Beaudreault, 2013-06-07, 15:58
wiki privileges - Hadoop - [mail # dev]
...Hello,  Can I please get wiki edit privileges for the username BryanBeaudreault?  Thanks!  Bryan...
   Author: Bryan Beaudreault, 2012-02-08, 00:46
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