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Re: Handling of small files in hadoop - Hadoop - [mail # user]
...Hi Naveen,  B).  Word of warning, 0.21 is not a stable release. The recommended version is in the 0.20.x range.  e  You could also stick each file as a record in a sequen...
   Author: Joey Echeverria, 2011-09-14, 12:02
Re: Hadoop doesnt use Replication Level of Namenode - Hadoop - [mail # user]
...That won't work with the replication level as that is entirely a client side config. You can partially control it by setting the maximum replication level.  -Joey  On Tue, Sep 13, ...
   Author: Joey Echeverria, 2011-09-13, 20:52
Re: Disable Sorting? - Hadoop - [mail # user]
...The sort is what's implementing the group by key function. You can't have one without the other in Hadoop. Are you trying to disable the sort because you think it's too slow?  -Joey &nb...
   Author: Joey Echeverria, 2011-09-11, 09:56
[expand - 1 more] - Re: Help - Rack Topology Script - Hadoop 0.20 (CDH3u1) - Hadoop - [mail # user]
...Not that I know of.  -Joey  On Fri, Aug 19, 2011 at 1:16 PM, modemide  wrote:    Joseph Echeverria Cloudera, Inc. 443.305.9434...
   Author: Joey Echeverria, 2011-08-21, 14:22
Re: Version Mismatch - Hadoop - [mail # user]
...It means your HDFS client jars are using a different RPC version than your namenode and datanodes. Are you sure that XXX has $HADOOP_HOME in it's classpath? It really looks like it's pointin...
   Author: Joey Echeverria, 2011-08-18, 12:21
Re: How do I add Hadoop dependency to a Maven project? - Hadoop - [mail # user]
...If you're talking about the org.apache.hadoop.mapreduce.* API, that was introduced in 0.20.0. There should be no need to use the 0.21 version.  -Joey  On Tue, Aug 16, 2011 at 1:22 ...
   Author: Joey Echeverria, 2011-08-16, 17:29
[expand - 1 more] - Re: WritableComparable - Hadoop - [mail # user]
...What are the types of key1 and key2? What does the readFields() method look like?  -Joey  On Sun, Aug 14, 2011 at 10:07 PM, Stan Rosenberg  wrote: e: uld r.  is   &n...
   Author: Joey Echeverria, 2011-08-15, 02:25
Re: Speed up node under replicated block during decomission - Hadoop - [mail # user]
...You can configure the undocumented variable dfs.max-repl-streams to increase the number of replications a data-node is allowed to handle at one time. The default value is 2. [1]  -Joey ...
   Author: Joey Echeverria, 2011-08-12, 16:14
Re: Hadoop--store a sequence file in distributed cache? - Hadoop - [mail # user]
...You can use any kind of format for files in the distributed cache, so yes you can use sequence files. They should be faster to parse than most text formats.  -Joey  On Fri, Aug 12,...
   Author: Joey Echeverria, 2011-08-12, 10:28
Re: Keep output folder despite a failed Job - Hadoop - [mail # user]
...You can set the keep.failed.task.files property on the job.  -Joey  On Tue, Aug 9, 2011 at 9:39 PM, Saptarshi Guha  w rote:    Joseph Echeverria Cloudera, Inc. 443.3...
   Author: Joey Echeverria, 2011-08-10, 01:42
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