Hadoop MAPREDUCE 2.0.4-alpha Release Notes
These release notes include new developer and user-facing incompatibilities, features, and major improvements.
Changes since Hadoop 2.0.3-alpha
- MAPREDUCE-5117.
Blocker bug reported by Roman Shaposhnik and fixed by Siddharth Seth (security)
With security enabled HS delegation token renewer fails
- MAPREDUCE-5094.
Major bug reported by Siddharth Seth and fixed by Siddharth Seth
Disable mem monitoring by default in MiniMRYarnCluster
- MAPREDUCE-5088.
Blocker bug reported by Roman Shaposhnik and fixed by Daryn Sharp
MR Client gets an renewer token exception while Oozie is submitting a job
- MAPREDUCE-5083.
Major bug reported by Siddharth Seth and fixed by Siddharth Seth (mrv2)
MiniMRCluster should use a random component when creating an actual cluster
Committed to branch-2.0.4. Modified changes.txt in trunk, branch-2 and branch-2.0.4 accordingly.
- MAPREDUCE-5053.
Major bug reported by Robert Parker and fixed by Robert Parker
java.lang.InternalError from decompression codec cause reducer to fail
- MAPREDUCE-5023.
Critical bug reported by Kendall Thrapp and fixed by Ravi Prakash (jobhistoryserver , webapps)
History Server Web Services missing Job Counters
- MAPREDUCE-5006.
Major bug reported by Alejandro Abdelnur and fixed by Sandy Ryza (contrib/streaming)
streaming tests failing
- MAPREDUCE-4549.
Blocker bug reported by Robert Joseph Evans and fixed by Robert Joseph Evans (mrv2)
Distributed cache conflicts breaks backwards compatability