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Jetty exception while running Hadoop - Hadoop - [mail # user]
...Hi,  I keep getting the exception below. I've rebuild my EC2 cluster completely, and verified it on small jobs, but I still get it once I run anything sizable. The job runs, but I only ...
   Author: Mark Kerzner, 2011-12-12, 02:31
[expand - 1 more] - Re: setGroupingComparatorClass - Hadoop - [mail # user]
...Here is my GroupComparator. With it, I want to use just the part of my composite key, in order to say that all the keys that match in that part should go to the same reducer and be presented...
   Author: Mark Kerzner, 2011-11-01, 18:43
[expand - 1 more] - Re: How to run Hadoop in standalone mode in Windows - Hadoop - [mail # user]
...So I do need to build Hadoop, right?  Thank you, Mark  On Mon, Sep 26, 2011 at 1:04 AM, Uma Maheswara Rao G 72686  wrote:  ...
   Author: Mark Kerzner, 2011-09-26, 12:36
[expand - 2 more] - Re: Am i crazy? - question about hadoop streaming - Hadoop - [mail # user]
...Thank you, Prashant, it seems so. I already verified this by refactoring the code to use 0.20 API as well as 0.21 API in two different packages, and streaming happily works with 0.20.  ...
   Author: Mark Kerzner, 2011-09-15, 04:48
[expand - 2 more] - Re: Too many maps? - Hadoop - [mail # user]
...Thank you, Sonal,  at least that big job I was looking at just finished :)  Mark  On Tue, Sep 6, 2011 at 11:56 PM, Sonal Goyal  wrote:  ...
   Author: Mark Kerzner, 2011-09-07, 04:58
Re: tutorial on Hadoop/Hbase utility classes - Hadoop - [mail # user]
...Thank you, Sujee.  StringUtils are useful, but so is Guava  Mark  On Wed, Aug 31, 2011 at 6:57 PM, Sujee Maniyam  wrote:  ...
   Author: Mark Kerzner, 2011-09-01, 05:03
The best architecture for EC2/Hadoop interface? - Hadoop - [mail # user]
...Hi,  I want to give my users a GUI that would allow them to start Hadoop clusters and run applications that I will provide on the AMIs. What would be a good approach to make it simple f...
   Author: Mark Kerzner, 2011-08-02, 04:09
Re: First open source Predictive modeling framework on Apache hadoop - Hadoop - [mail # user]
...Congratulations, looks very interesting.  Mark  On Sun, Jul 24, 2011 at 1:15 AM, madhu phatak  wrote:  ...
   Author: Mark Kerzner, 2011-07-24, 06:17
Re: Which release to use? - Hadoop - [mail # user]
...Steve,  this is so well said, do you mind if I repeat it here, http://shmsoft.blogspot.com/2011/07/hadoop-commercial-support-options.html  Thank you, Mark  On Fri, Jul 15, 201...
   Author: Mark Kerzner, 2011-07-15, 21:25
[expand - 1 more] - Re: Can't start the namenode - Hadoop - [mail # user]
...I kind of found the problem. If I open the logs directory, I see that this log file is created by hdfs  -rw-r--r-- 1 hdfs hdfs 1399 Jul  6 21:48 hadoop-hadoop-namenode-myservername...
   Author: Mark Kerzner, 2011-07-07, 04:51
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NEW: Monitor These Apps!
elasticsearch, apache solr, apache hbase, hadoop, redis, casssandra, amazon cloudwatch, mysql, memcached, apache kafka, apache zookeeper, apache storm, ubuntu, centOS, red hat, debian, puppet labs, java, senseiDB