Sort with custom input/output format !!

Hey , M pretty new to Hadoop . I need to Sort a Metafile (TBs) and thought of using Hadoop Sort (in examples) for it. My input metafile looks like this --> binary stream (only 1's and 0's). It basically contains records of 40 bytes. Every record goes like this : long a; --> 8 bytes. The rest of

How to rebuild Hadoop ??

Hi all, I wrote some new writable files corresponding to my data input. I added them to /src/org//io/ where all the writables reside. Similarly, I also wrote input/output format files and a recordreader and added them to src/mapred/./mapred/ where all related files reside. I want t

[jira] Created: (HADOOP-6940) RawLocalFileSystem's markSupported method misnamed markSupport

RawLocalFileSystem's markSupported method misnamed markSupport -- Key: HADOOP-6940 URL: https://issues.apache.org/jira/browse/HADOOP-6940 Project: Hadoop Common Issue Type: Bug

[jira] Created: (HADOOP-6941) Hadoop 0.21 will not work on non-SUN JREs due to use of com.sun.security in org/apache/hadoop/security/UserGroupInformation.java

Hadoop 0.21 will not work on non-SUN JREs due to use of com.sun.security in org/apache/hadoop/security/UserGroupInformation.java Key: HADOOP-6941

[jira] Created: (HADOOP-6942) Ability for having user's classes take precedence over the system classes for tasks' classpath

Ability for having user's classes take precedence over the system classes for tasks' classpath -- Key: HADOOP-6942 URL: https://issues.apache.org/jira/browse/HADOOP-6942

[jira] Created: (HADOOP-6943) The GroupMappingServiceProvider interface should be public

The GroupMappingServiceProvider interface should be public -- Key: HADOOP-6943 URL: https://issues.apache.org/jira/browse/HADOOP-6943 Project: Hadoop Common Issue Type: Improvement