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hadoop queue -list - MapReduce - [mail # user]
...1 - I am looking to the queue list in my system, and I have several queues defined. And, in one of the queue I have this info:  Scheduling Info : Capacity: 1.0, MaximumCapacity: 1.0, Cu...
   Author: Pedro Sá da Costa, 2013-05-22, 09:06
job -list parameters - MapReduce - [mail # user]
...When I list all the jobs running, I get several parameters related to the job. What are the parameters asked below?   JobId State StartTime UserName Queue Priority UsedContainers  ...
   Author: Pedro Sá da Costa, 2013-05-21, 11:27
[expand - 2 more] - Re: Combine data from different HDFS FS - MapReduce - [mail # user]
...Maybe there is some FileInputFormat class that allows to define input files from different locations. What I would like to know, is if it's possible to read input data from different HDFS FS...
   Author: Pedro Sá da Costa, 2013-04-09, 04:07
set the namenode public IP address in amazon EC2? - MapReduce - [mail # user]
...Hi,  I'm trying to configure the Namenode with  a public IP in amazon EC2. The service always get the host private IP, and not the public one. How can I set the namenode public IP ...
   Author: Pedro Sá da Costa, 2013-03-29, 11:12
FSDataOutputStream can write in a file in a remote host? - MapReduce - [mail # user]
...FSDataOutputStream can write in a file in a remote host?   Best regards,...
   Author: Pedro Sá da Costa, 2013-03-28, 17:32
Is it possible to set FS permissions (e.g. 755) in hdfs-site.xml? - MapReduce - [mail # user]
...Is it possible to set FS permissions (e.g. 755) in hdfs-site.xml?  Best regards,...
   Author: Pedro Sá da Costa, 2013-03-28, 12:23
[expand - 3 more] - Re: FSDataOutputStream hangs in out.close() - MapReduce - [mail # user]
...I just create 2 different FS instances.  On Wednesday, 27 March 2013, Harsh J wrote:    Best regards,...
   Author: Pedro Sá da Costa, 2013-03-27, 21:32
[expand - 1 more] - Re: is it possible to disable security in MapReduce to avoid having PriviledgedActionException? - MapReduce - [mail # user]
...This is my error (stacktrace below). It cannot find org.apache.hadoop.security.KerberosName class. But the strange is that I  have hadoop-core-1.0.4-SNAPSHOT.jar in the classpath, and t...
   Author: Pedro Sá da Costa, 2013-03-25, 10:17
What the parameter "mapred.indirect.input.file" means? - MapReduce - [mail # user]
...Hi,  What the parameter "mapred.indirect.input.file" means? For what it is used?  Best regards, P...
   Author: Pedro Sá da Costa, 2013-03-19, 10:43
who runs the map and reduce tasks in the unit tests - MapReduce - [mail # user]
...Hi,  In Hadoop MR unit tests, the classes uses the ./core/org/apache/hadoop/util/Tool.java, and ./core/org/apache/hadoop/util/ToolRunner.java tosubmit the job. But to run the unit tests...
   Author: Pedro Sá da Costa, 2013-02-21, 20:11
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