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[expand - 5 more] - Re: Mappers vs. Map tasks - Hadoop - [mail # user]
...Joao Paulo,Your suggestion is appreciated. Although, on a side note, what is moretedious: Writing a custom InputFormat or changing the code which isgenerating the input splits.?Thanks & Rega...
   Author: Sugandha Naolekar, 2014-02-27, 04:22
[expand - 2 more] - Re: Logic of isSplittable() of class FileInputFormat - Hadoop - [mail # user]
...Oh. Ok. Thanks. So basically, to be on the safer side, one can always setits value as false and keep the data of records consistent. I mean, thelength of all the records should be the same.T...
   Author: Sugandha Naolekar, 2014-02-26, 10:33
[expand - 2 more] - Re: Can the file storage in HDFS be customized? - Hadoop - [mail # user]
...If there are two files of 129MB. In that case, 4 blocks will be created.Thus, ideally, there should be 4 cores/machines (also called as mappers) toprocess each of these blocks? Can a core co...
   Author: Sugandha Naolekar, 2014-02-26, 05:19
Reading a file in a customized way - Hadoop - [mail # user]
...Hello,Irrespective of the file blocks placed in HDFS, I want my map() to becalled/invoked in a customized manner. For. eg. I want to process a hugeJSON File(single file). Now this file is de...
   Author: Sugandha Naolekar, 2014-02-25, 06:11
[expand - 13 more] - Re: :!! - Hadoop - [mail # user]
...The steps mentioned in d above mail of mine r d ones dat I follwed.! If some one could repeat d same, the problem can b better understood.  How to run a Hadoop jar file Through Runjar A...
   Author: Sugandha Naolekar, 2010-06-18, 07:39
Hadoop code execution!! - Hadoop - [mail # user]
...Hello!!      I have developed a GUI in JAVA using Swings!! Now, I want to perform simple HDFS operations such as, data transfer and retrieval of the same. These all operations...
   Author: Sugandha Naolekar, 2010-06-12, 06:57
Fwd: Few Queries!! - Hadoop - [mail # user]
...Hello!      I have a 4 node cluster and one remote machine(3rd party App.) which is not a part of the hadoop cluster(mastre-slave configuration).      Now, I wa...
   Author: Sugandha Naolekar, 2009-09-29, 06:13
[expand - 5 more] - Few Queries!! - Hadoop - [mail # user]
...Hello!      I have a 4 node cluster and one remote machine(3rd party App.) which is not a part of the hadoop cluster(mastre-slave configuration).      Now, I wa...
   Author: Sugandha Naolekar, 2009-09-26, 04:40
[expand - 3 more] - Some issues! - Hadoop - [mail # user]
...Hello!          Running a simple MR job, and setting a replication factor of 2. Now, after its execution, the output is split in files named as part-00000 and so on....
   Author: Sugandha Naolekar, 2009-09-04, 07:46
Error! - Hadoop - [mail # user]
...Hello!  below is the error I am getting in invoking DN. PLease help me out::   2009-08-24 13:04:19,622 ERROR org.apache.hadoop.hdfs.server.datanode.DataNode: org.apache.hadoop.ipc....
   Author: Sugandha Naolekar, 2009-08-24, 08:19
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