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RE: how to turn on NativeIO.posixFadviseIfPossible - Hadoop - [mail # user]
...Hi Jun,    Try moving the section between: dnl Check for headers needed by the native Group....   [...include everything in between inclusive ...] AC_FUNC_STRERROR_R  to ...
   Author: Leo Leung, 2013-06-22, 23:42
RE: hadoop dfs -ls - Hadoop - [mail # user]
...Hi Nitin,    Normally your conf should reside in /etc/hadoop/conf (if you don't have one . Copy it from the namenode - and keep it sync)    hadoop (script) by default dep...
   Author: Leo Leung, 2012-07-13, 16:24
RE: JAVA_HOME is not set - Hadoop - [mail # user]
...I don't think OpenJDK is supported. There were a lot of problems with it.  But feel free to give it a try,  if you run into JVM crashes. Use Oracle(Su n) JDK 6. (NOT 7)  Harsh...
   Author: Leo Leung, 2012-07-05, 17:14
RE: 8021 failed on connection exception: java.net.ConnectException: Connection refused at org.apache.hadoop.ipc.Client.wrapException(Client.java:1095) - Hadoop - [mail # user]
...Hmm... Waqas,  I think you are using pre build, and likely to be OpenJDK.  Please try the Sun/Oracle JDK 1.6.0_26+  (as Harsh said.. don't stay away f rom 1.7)  ...
   Author: Leo Leung, 2012-05-16, 17:47
RE: Question on MapReduce - Hadoop - [mail # user]
...This maybe dated materials.  Cloudera and HDP folks please correct with updates :)  http://www.cloudera.com/blog/2010/03/clouderas-support-team-shares-some-bas ic-hardware-recommen...
   Author: Leo Leung, 2012-05-11, 19:58
RE: Why is hadoop build I generated from a release branch different from release build? - Hadoop - [mail # user]
...Hi Pawan,    ant -p (not for 0.23+) will tell you the available build targets.    Use mvn (maven) for 0.23 or newer    From: Matt Foley [mailto:[EMAIL PROTECTED...
   Author: Leo Leung, 2012-03-09, 00:15
RE: Hadoop and Hibernate - Hadoop - [mail # user]
...Geoffry,   Hadoop distributedCache (as of now) is used to "cache" M/R application spe cific files.  These files are used by M/R app only and not the framework. (Normally as s ide-l...
   Author: Leo Leung, 2012-03-02, 18:30
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