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Re: Using hadoop for Matrix Multiplication in NFS? - Hadoop - [mail # user]
...I think another thing to look at is Mahout - http://lucene.apache.org/mahou t   See http://mahout.markmail.org/search/matrix+multiplication  Ot is Sematext is hiring -- http://sema...
   Author: Otis Gospodnetic, 2009-11-14, 03:10
Re: Lucene + Hadoop - Hadoop - [mail # user]
...I think that sounds right. I believe that's what I did when I implemented this type of functionality for http://simpy.com/  I'm not sure why this is a Hadoop thing, though.   Otis ...
   Author: Otis Gospodnetic, 2009-11-10, 23:55
Re: memcached or existing hbase ? - Hadoop - [mail # user]
...Hi Bob,  I think it depends on what you want to do and what you need.  For example, vanilla memcached is not persistent - if your server goes down, you lost your data and you'll ha...
   Author: Otis Gospodnetic, 2009-10-07, 16:57
Re: indexing log files for adhoc queries - suggestions? - Hadoop - [mail # user]
...My understanding is that *no* tools built on top of MapReduce (Hive, Pig, Cascading, CloudBase...) can be real-time where real-time is something that processes the data and produces output i...
   Author: Otis Gospodnetic, 2009-10-03, 05:23
Re: NameNode high availability - Hadoop - [mail # user]
...Related (but not helping the immediate question).  China Telecom developed something they call HyperDFS.  They modified Hadoop and made it possible to run a cluster of NNs, thus el...
   Author: Otis Gospodnetic, 2009-10-03, 05:07
Re: How to submit a project to Hadoop/Apache - Hadoop - [mail # user]
...This is how things get into Apache Incubator: http://incubator.apache.org/ But the rules are, I believe, that you can skip the incubator and go straight under a project's wing (e.g. Hadoop) ...
   Author: Otis Gospodnetic, 2009-04-15, 17:29
Re: Job Tracker/Name Node redundancy - Hadoop - [mail # user]
...Yes, there is a JIRA issue for a redundant JobTracker already. The NN redundancy scenario is mentioned on the Wiki (look for SecondaryNameNode).  Otis   -- Sematext -- http://semat...
   Author: Otis Gospodnetic, 2009-01-09, 20:36
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