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[expand - 2 more] - RE: built hadoop! please help with next steps? - HDFS - [mail # user]
...Sandy, Thanks for the help!  I am trying this now.  Could you post your complete yarn-site.xml so I can use it as an example? John   From: Sandy Ryza [mailto:[EMAIL PROTECTED]...
   Author: John Lilley, 2013-06-04, 22:22
RE: HDFS interfaces - HDFS - [mail # user]
...When you use the HDFS client interface to read a file, it automatically figures out which datanodes to contact for reading which blocks.  There isn't really a "main" block.  Howeve...
   Author: John Lilley, 2013-06-04, 18:35
Help: error in hadoop build - HDFS - [mail # user]
...Sorry if this is a dumb question, but I'm not sure where to start.  I am following BUILDING.txt instructions for source checked out today using git: git clone git://git.apache.org/hadoo...
   Author: John Lilley, 2013-05-29, 18:33
OpenJDK? - HDFS - [mail # user]
...I am having trouble finding a definitive answer about OpenJDK vs Sun JDK in regards to building Hadoop.  This: http://wiki.apache.org/hadoop/HadoopJavaVersions Indicates that OpenJDK is...
   Author: John Lilley, 2013-05-29, 14:52
RE: splittable vs seekable compressed formats - HDFS - [mail # user]
...More specifically, seeking to a known location in the uncompressed data.  So not just seeking to “the nearest record boundary”, but seeking to “position 100000000 in the uncompressed da...
   Author: John Lilley, 2013-05-24, 19:50
RE: Is FileSystem thread-safe? - HDFS - [mail # user]
...Thanks! Does this also imply that multiple clients may open the same HDFS file for append simultaneously, and expect append requests to be interleaved? john  From: Arpit Agarwal [mailto...
   Author: John Lilley, 2013-05-17, 13:40
RE: Query mongodb - HDFS - [mail # user]
...How does one schedule mappers to read MongoDB or HBase in a data-locality-aware fashion? -john  From: Mohammad Tariq [mailto:[EMAIL PROTECTED]] Sent: Wednesday, January 16, 2013 3:29 AM...
   Author: John Lilley, 2013-01-16, 14:40
Recommandations for fast OS cloning on cluster - HDFS - [mail # user]
...Are there standard approaches for setting up a Hadoop cluster "quickly" by cloning most of the data nodes?  ...
   Author: John Lilley, 2013-01-16, 14:36
RE: request on behalf of newbies - HDFS - [mail # user]
...I think there's quite a few people like me here asking basic questions on the user@ group.  From: Monkey2Code [mailto:[EMAIL PROTECTED]] Sent: Sunday, January 13, 2013 2:23 PM To: [EMAI...
   Author: John Lilley, 2013-01-13, 22:52
[expand - 1 more] - RE: Hadoop throughput question - HDFS - [mail # user]
...Unless the Hadoop processing and the OneFS storage are co-located, MapReduce can't schedule tasks so as to take advantage of data locality.  You would basically be doing a distributed c...
   Author: John Lilley, 2013-01-03, 23:09
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