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Re: System.out.printlin vs Counters - HDFS - [mail # user]
...I do not understand 1 and 2: Counters are used to count things in the MR framework in a distributed manner and get aggregate at the JobTracker level; System.out is merely used to write to ST...
   Author: Harsh J, 2013-03-27, 10:27
[HDFS-4246] The exclude node list should be more forgiving, for each output stream - HDFS - [issue]
...Originally observed by Inder on the mailing lists:Folks,i was wondering if there is any mechanism/logic to move a node back from the excludedNodeList to live nodes to be tried for new block ...
http://issues.apache.org/jira/browse/HDFS-4246    Author: Harsh J, 2013-03-25, 19:36
Re: Delete a hdfs directory if it already exists in a shell script. - HDFS - [mail # user]
...The -test utility of the "fs" shell does not return outputs, but is to be used via exit codes. See http://tldp.org/LDP/abs/html/exit-status.html for more reading material on what an exit cod...
   Author: Harsh J, 2013-03-23, 20:00
[expand - 2 more] - Re: Need your help with Hadoop - HDFS - [mail # user]
...Use dfs.data.dir if you are on a 1.x or 0.20.x based release. Use dfs.datanode.data.dir if you are on a 2.x release. The property applies to a DataNode as its name goes, and hence has to be ...
   Author: Harsh J, 2013-03-22, 06:55
Re: eclipse plugin for hadoop 2.0.0 alpha - HDFS - [mail # user]
...Hi,  Currently the release does not carry a working form of Eclipse Plugin in it, although it could be made to work with some manual effort. Please also take a look at the HDT project a...
   Author: Harsh J, 2013-03-22, 05:35
Re: Webserver and hadoop cluster - HDFS - [mail # user]
...You can use WebHDFS to achieve this, so long as your Web Service machine has access to the cluster. If it does not, then you can consider HTTPFS. Both of these services support REST API acce...
   Author: Harsh J, 2013-03-22, 05:34
Re: problem running multiple native mode map reduce processes concurrently - HDFS - [mail # user]
...Please post your Hadoop version (command: hadoop version).  On Thu, Mar 21, 2013 at 10:59 PM, Derrick H. Karimi  wrote:    Harsh J...
   Author: Harsh J, 2013-03-22, 05:31
Re: The most newbie question ever - HDFS - [mail # user]
...You've downloaded a binary inclusive release and can just start using it after configuring it. Mark the extracted path as HADOOP_PREFIX, and look at $HADOOP_PREFIX/etc/hadoop/ for the config...
   Author: Harsh J, 2013-03-22, 05:19
Re: hadoop clients - HDFS - [mail # user]
...You are correct about your idea of clients. To talk to HDFS, they need to be allowed to talk to the NN's ports as well as the DN's ports. To talk to YARN/MR, they need access to both RM and ...
   Author: Harsh J, 2013-03-21, 00:59
Re: Combiner in Secondary Sort - HDFS - [mail # user]
...You're probably running into https://issues.apache.org/jira/browse/MAPREDUCE-3310. There was also a discussion on this IIRC but I cannot find the archive now. One aside mention on this from ...
   Author: Harsh J, 2013-03-21, 00:50
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