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[expand - 4 more] - Re: Delete a folder name containing * - Hadoop - [mail # user]
...Command used -1. hadoop fs -rmr /data/folder\*2. hadoop fs -rmr 'data/folder\*'3. hadoop fs -rmr "/data/folder\*"None of them gave any output. Hadoop version - 1.0.2On Wed, Aug 20, 2014 at 7...
   Author: praveenesh kumar, 2014-08-20, 20:07
[expand - 1 more] - Re: HDFS multi-tenancy and federation - Hadoop - [mail # user]
...Federation is just a namenode namespace management capability. It isdesigned to control namenode management and to provide scalability fornamenode. I don't think it poses any security or res...
   Author: praveenesh kumar, 2014-07-15, 10:06
Re: Hadoop Takes 6GB Memory to run one mapper - Hadoop - [mail # user]
...Can you try storing your file as bytes instead of String. I can't think ofany reason why this would require 6 GB heap space.Can you explain your use-case that might help some alternatives if...
   Author: praveenesh kumar, 2014-03-25, 13:38
[expand - 1 more] - Re: I am about to lose all my data please help - Hadoop - [mail # user]
...Can you also make sure your hostname and IP address are still mappedcorrectly. Because what I am guessing is when you restart your machine,your /etc/hosts entries might get restored (it happ...
   Author: praveenesh kumar, 2014-03-24, 13:52
Re: Doubt - Hadoop - [mail # user]
...Why not ? Its just a matter of installing 2 different packages.Depends on what do you want to use it for, you need to take care of fewthings, but as far as installation is concerned, it shou...
   Author: praveenesh kumar, 2014-03-19, 15:51
[expand - 1 more] - Re: A question about Balancer in HDFS - Hadoop - [mail # user]
...Cool, thanks for sharing this info. CheersRegardsPravOn Fri, Feb 21, 2014 at 6:53 AM, QShu  wrote: ...
   Author: praveenesh kumar, 2014-02-21, 14:56
[expand - 3 more] - Re: java.lang.OutOfMemoryError: Java heap space - Hadoop - [mail # user]
...Hi Park,Your explanation makes perfect sense in my case. Thanks for explaining whatis happening behind the scenes. I am wondering you used normal javacompression/decompression or is there a ...
   Author: praveenesh kumar, 2014-02-07, 16:45
Re: HDFS copyToLocal and get crc option - Hadoop - [mail # user]
...Hi Tom,My hint is your BLOCKSIZE should be multiple of CRC. Check your propertydfs.block.size - convert it into bytes, then divide it with the checksumvalue that is set, usually its dfs.byte...
   Author: praveenesh kumar, 2014-01-31, 17:15
[expand - 5 more] - Re: DistributedCache deprecated - Hadoop - [mail # user]
...Hi Amit,Side data distribution is altogether a different concept at all. Its whenyou set custom (key,value) pairs and use Job object for doing that, so thatyou can use them in your mappers/r...
   Author: praveenesh kumar, 2014-01-30, 12:50
Hadoop on Tomcat issue ?? - Hadoop - [mail # user]
...Hello users,  I am trying to create a Hadoop WAR file, which will be deployed on Tomcat. My code as a JAR is running perfectly fine. But when I am deploying as WAR on tomcat, I am getti...
   Author: praveenesh kumar, 2012-11-23, 10:54
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