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Could not obtain block? - MapReduce - [mail # user]
...Hi,  I have a situation here that I'm wondering where it's coming from. I know that I'm using a pretty old version... 1.0.3  When I fsck a file, I can see tha there is one block bu...
   Author: Jean-Marc Spaggiari, 2013-11-08, 17:10
Re: Logs directory for HBASE and Task Tracker - MapReduce - [mail # user]
...Hi Rams,  If you did not changed anything, the logs are created under the directory where hadop and hbase are running from.  If you hbase is under /home/hbase then the logs are int...
   Author: Jean-Marc Spaggiari, 2013-06-05, 15:38
Re: Child Error - MapReduce - [mail # user]
...That's strange.  So now each time you are running it it's railing with the exception below? Or it's sometime working, sometime failing?  also, can you clear you tmp directory and m...
   Author: Jean-Marc Spaggiari, 2013-05-28, 14:24
Re: Viewing snappy compressed files - MapReduce - [mail # user]
...Hi Robert,  What command are you using to extract your data from hadoop?  JM  Hey, there. My Google skills have failed me, and I hope someone here can point me in the right di...
   Author: Jean-Marc Spaggiari, 2013-05-21, 16:46
Re: YCSB on hbase fails with java.io.EOFException - MapReduce - [mail # user]
...Hum.  I did slightly different steps.  1) I try on standalone. I wlil try on fully distributed soon. 2) I did not untared anything. After maven compilation, I used the ycsb file in...
   Author: Jean-Marc Spaggiari, 2013-05-17, 02:08
Re: Getting this exception "java.net.ConnectException: Call From ubuntu/ to ubuntu:8020 failed on connection exception: java.net.ConnectException: Connection refused; For more details see: http://wiki.apache.org/hadoop/ConnectionRefused" - MapReduce - [mail # user]
...Then let's move the discussion on the hadoop user mailing list ;)  running. Are you able to see any process? Do anything?  JM    ...
   Author: Jean-Marc Spaggiari, 2013-05-16, 16:45
Error writing file (Invalid argument) - MapReduce - [mail # user]
...Hi,  I'm facing the issue below with Hadoop.  Configuration: - 1 WAS node; - Replication factore setup to 1; - Short Circuit activated.  Exception: 2013-05-02 14:02:41,063 INF...
   Author: Jean-Marc Spaggiari, 2013-05-02, 20:20
Migrate from 1.0 to 1.1 - MapReduce - [mail # user]
...Hi,  I'm currently running my cluster under hadoop 1.0.3 and I'm looking to upgrate it to 1.1.2 (or 1.1.3 if coming soon).  Is there any specific documentation I should follow? So ...
   Author: Jean-Marc Spaggiari, 2013-04-12, 19:23
Auto clean DistCache? - MapReduce - [mail # user]
...Hi,  Each time my MR job is run, a directory is created on the TaskTracker under mapred/local/taskTracker/hadoop/distcache (based on my configuration).  I looked at the directory t...
   Author: Jean-Marc Spaggiari, 2013-03-26, 00:16
Re: reg memory allocation failed - MapReduce - [mail # user]
...Hi Manoj,  Do you have the required rights to test with another JVM? Can you test the Oracle JVM Java SE 6 Update 43?  JM  2013/3/8 Manoj Babu :...
   Author: Jean-Marc Spaggiari, 2013-03-08, 14:42
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