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Re: Skippin those gost darn 0 byte diles - Hadoop - [mail # user]
...For reference : https://issues.apache.org/jira/browse/SPARK-1960(which seems highly related)I don't know if anything is tracked on Hadoop/MapReduce side.Bertrand DechouxOn Wed, Jul 23, 2014 ...
[+ more]    Author: Bertrand Dechoux, 2014-07-25, 14:05
Re: Replace a block with a new one - Hadoop - [mail # user]
...And there is actually quite a lot of information about it.https://github.com/facebook/hadoop-20/blob/master/src/contrib/raid/src/java/org/apache/hadoop/hdfs/DistributedRaidFileSystem.javahtt...
[+ more]    Author: Bertrand Dechoux, 2014-07-21, 19:48
Re: what exactly does data in HDFS look like? - Hadoop - [mail # user]
...But basically you are right : it is the same concept as with a classicalfile system. A file is seen as a sequence of bytes. For various efficiencyreasons, the whole sequence is not stored li...
   Author: Bertrand Dechoux, 2014-07-19, 11:35
Re: Providing a file instead of a directory to a M/R job - Hadoop - [mail # user]
...No reason why not. And a permission explains why there is an error :missing access rights....Bertrand DechouxOn Thu, Jul 17, 2014 at 4:58 PM, Shahab Yunus wrote: ...
   Author: Bertrand Dechoux, 2014-07-17, 15:23
Re: Evaluation of cost of cluster - Hadoop - [mail # user]
...Hi,The mail is now nicely formated but I would suggest you take the time todigest answers from the same question you already asked twice.https://www.mail-archive.com/search?l=user%40hadoop.a...
   Author: Bertrand Dechoux, 2014-07-17, 09:50
Re: changing split size in Hadoop configuration - Hadoop - [mail # user]
...For what it's worth, mapreduce.jobtracker.split.metainfo.maxsize is relatedto the size of the file containing the information describing the inputsplits. It is not related directly to the vo...
   Author: Bertrand Dechoux, 2014-07-14, 18:55
Re: Muliple map writing into same hdfs file - Hadoop - [mail # user]
...And beside with a single file, if that were possible, how do you handleerror? Let' say task 1 ran 3 times : 1 error, 1 speculative and 1success... A per-task file has been a standard to easi...
   Author: Bertrand Dechoux, 2014-07-11, 05:20
Re: What is the correct way to get a string back from a mapper or reducer - Hadoop - [mail # user]
...The stackoverflow question doesn't add any useful information.Like I said you can emit the string inside a record. Or if you really wantto handle lots of complexity, write it yourself within...
[+ more]    Author: Bertrand Dechoux, 2014-07-03, 07:56
Re: Big Data tech stack (was Spark vs. Storm) - Hadoop - [mail # user]
...I will second Stephen. At best you will arrive at a point where you cantell "I don't care about your problems here is the solution". Even thoughit sounds attractive if you are paid to set up...
   Author: Bertrand Dechoux, 2014-07-03, 05:48
Re: Cloudera VM - Hadoop - [mail # user]
...For a specific distribution, the best is to use the related community.For Cloudera : http://community.cloudera.com/Parcel is something specific from Cloudera that you won't find in otherdist...
   Author: Bertrand Dechoux, 2014-06-14, 07:40
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