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RE: New dev. environment issue - Hadoop - [mail # dev]
...You could also refer this for the build steps.  http://svn.apache.org/repos/asf/hadoop/common/trunk/BUILDING.txt  Thanks Devaraj k  From: Matt Fellows [mailto:[EMAIL PROTECTED...
   Author: Devaraj k, 2013-09-03, 08:39
RE: HBase client with security - Hadoop - [mail # user]
...Please ask this question in [EMAIL PROTECTED], you would get better response there.   Thanks Devaraj k   From: Lanati, Matteo [mailto:[EMAIL PROTECTED]]  Sent: 29 August 2013 ...
   Author: Devaraj k, 2013-08-29, 13:30
RE: incorrect staging area path in 2.0.5 - Hadoop - [mail # user]
...Hi Pierre,  As per the below information, we see Job is running in local mode and trying to use the local file system for staging dir. Could you please configure 'mapreduce.framework.na...
   Author: Devaraj k, 2013-08-01, 15:08
[expand - 1 more] - RE: java.util.NoSuchElementException - Hadoop - [mail # user]
...If you want to write a mapreduce Job, you need to have basic knowledge on core Java.  You can get many resources in the internet for that.  If you face any problems related to Hado...
   Author: Devaraj k, 2013-07-31, 18:42
[expand - 2 more] - RE: Multiple data node and namenode ? - Hadoop - [mail # user]
...It is the reason, you see two data node log files one with the old host name(which got created before restart) and another with the new host name.   Thanks Devaraj k   From: [EMAIL...
   Author: Devaraj k, 2013-07-25, 08:55
RE: Incrementally adding to existing output directory - Hadoop - [mail # user]
...Hi Max,    It can be done by customizing the output format class for your Job according to your expectations. You could you refer OutputFormat.checkOutputSpecs(JobContext context) ...
   Author: Devaraj k, 2013-07-17, 01:42
RE: Policies for placing a reducer - Hadoop - [mail # user]
...Hi,  It doesn’t consider where the map’s ran to schedule the reducers because reducers need to contact all the mappers for the map o/p’s.  It schedules reducers wherever the slots ...
   Author: Devaraj k, 2013-07-16, 07:04
RE: Map slots and Reduce slots - Hadoop - [mail # user]
...Hi Shekar,     I assume you are trying with Hadoop-1. There are no properties with the names 'mapred.map.max.tasks' and 'mapred.reduce.max.tasks'.  We have these configuration...
   Author: Devaraj k, 2013-07-15, 01:57
RE: Staging directory ENOTDIR error. - Hadoop - [mail # user]
...Hi Jay,     Here client is trying to create a staging directory in local file system,  which actually should create in HDFS.  Could you check whether do you have configur...
   Author: Devaraj k, 2013-07-12, 02:24
RE: Sending the entire file content as value to the mapper - Hadoop - [mail # user]
...Hi,    You could send the file meta info to the map function as key/value through the split, and then you can read the entire file in your map function.  Thanks Devaraj k &nbs...
   Author: Devaraj k, 2013-07-11, 08:47
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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