Custom user classpath

2014-09-13 Thread Pasquale Salza
Hi there, I'm facing with a problem concerning the classpath. I want to add to the classpath the third-party libraries placed into my all-inclusive JAR, in particular I need to replace the default avro-1.7.4.jar (which is included with HDP 2.1, Hadoop 0.23.11) with the most recent avro-1.7.7.jar.

Appending to hadoop sequence file

2014-09-13 Thread rab ra
Hello, Is there a way to append to a sequence file? I need to open a new seq file, write something to it, close it and save. Later, I want to open again, add some more information to that seq file and close it. Is it possible? I am using Hadoop 2x. Same question to MapFile too? regards rab

Hadoop 2.4.1 Compilation, How to specify HadoopBuildVersion and RMBuildVersion

2014-09-13 Thread arthur.hk.c...@gmail.com
Hi, To compile Hadoop 2.4.1 , any idea how to specify “hadoop.build.version” ? By modifying pom.xml? or add -Dhadoop.build.version=mybuild? or specify it by compile command line? Regards Arthur

Re: Hadoop 2.4.1 Compilation, How to specify HadoopBuildVersion and RMBuildVersion

2014-09-13 Thread arthur.hk.c...@gmail.com
(attached print screen) On 14 Sep, 2014, at 1:25 pm, arthur.hk.c...@gmail.com arthur.hk.c...@gmail.com wrote: Hi, To compile Hadoop 2.4.1 , any idea how to specify “hadoop.build.version” ? By modifying pom.xml? or add -Dhadoop.build.version=mybuild? or specify it by compile